)]}'
{
  "log": [
    {
      "commit": "7f259658b1f320b35040a14d7ace371b5cc15fbb",
      "tree": "22b82fc7ded6e3e7ba868dbf2dbab13c2881ffcc",
      "parents": [
        "aa80dd9dbe86743ae6e52c836f6ab1472c469927"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Mon Mar 25 10:26:30 2013 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Thu Jun 20 11:58:47 2013 -0700"
      },
      "message": "libceph: wrap auth methods in a mutex\n\ncommit e9966076cdd952e19f2dd4854cd719be0d7cbebc upstream.\n\nThe auth code is called from a variety of contexts, include the mon_client\n(protected by the monc\u0027s mutex) and the messenger callbacks (currently\nprotected by nothing).  Avoid chaos by protecting all auth state with a\nmutex.  Nothing is blocking, so this should be simple and lightweight.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nReviewed-by: Alex Elder \u003celder@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n"
    },
    {
      "commit": "aa80dd9dbe86743ae6e52c836f6ab1472c469927",
      "tree": "1b5a77428bc53dd4cf0988c6328bbea34adaee1f",
      "parents": [
        "29c65a277a64645af853e8c9a9b3dda0ddc421e0"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Mon Mar 25 10:26:14 2013 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Thu Jun 20 11:58:47 2013 -0700"
      },
      "message": "libceph: wrap auth ops in wrapper functions\n\ncommit 27859f9773e4a0b2042435b13400ee2c891a61f4 upstream.\n\nUse wrapper functions that check whether the auth op exists so that callers\ndo not need a bunch of conditional checks.  Simplifies the external\ninterface.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nReviewed-by: Alex Elder \u003celder@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n"
    },
    {
      "commit": "29c65a277a64645af853e8c9a9b3dda0ddc421e0",
      "tree": "c2dac081d3aed9b11ece51c4edc5664d963fb536",
      "parents": [
        "aacd9c3626bac2960bbecd35cc6f032f8529d90b"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Mon Mar 25 10:26:01 2013 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Thu Jun 20 11:58:46 2013 -0700"
      },
      "message": "libceph: add update_authorizer auth method\n\ncommit 0bed9b5c523d577378b6f83eab5835fe30c27208 upstream.\n\nCurrently the messenger calls out to a get_authorizer con op, which will\ncreate a new authorizer if it doesn\u0027t yet have one.  In the meantime, when\nwe rotate our service keys, the authorizer doesn\u0027t get updated.  Eventually\nit will be rejected by the server on a new connection attempt and get\ninvalidated, and we will then rebuild a new authorizer, but this is not\nideal.\n\nInstead, if we do have an authorizer, call a new update_authorizer op that\nwill verify that the current authorizer is using the latest secret.  If it\nis not, we will build a new one that does.  This avoids the transient\nfailure.\n\nThis fixes one of the sorry sequence of events for bug\n\n\thttp://tracker.ceph.com/issues/4282\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nReviewed-by: Alex Elder \u003celder@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n"
    },
    {
      "commit": "31c46473d6a31ac1948c189624b472f26a6365e9",
      "tree": "63c5f7fee9abeb70822af493e281ed331f0ebc13",
      "parents": [
        "87c7f759d1546a27d46d8cc2778ffecaa5f542c6"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Wed Nov 28 12:28:24 2012 -0800"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Thu Jan 17 08:51:20 2013 -0800"
      },
      "message": "libceph: remove \u0027osdtimeout\u0027 option\n\nThis would reset a connection with any OSD that had an outstanding\nrequest that was taking more than N seconds.  The idea was that if the\nOSD was buggy, the client could compensate by resending the request.\n\nIn reality, this only served to hide server bugs, and we haven\u0027t\nactually seen such a bug in quite a while.  Moreover, the userspace\nclient code never did this.\n\nMore importantly, often the request is taking a long time because the\nOSD is trying to recover, or overloaded, and killing the connection\nand retrying would only make the situation worse by giving the OSD\nmore work to do.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nReviewed-by: Alex Elder \u003celder@inktank.com\u003e\n(cherry picked from commit 83aff95eb9d60aff5497e9f44a2ae906b86d8e88)\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "d0e85e04fb57a65a6096a0b18c97ba5892d676d9",
      "tree": "7942daf6baa0d4d5ddf9015523059cc07e972996",
      "parents": [
        "51b8318a818623899f9eb24ce697d43301bbe349"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Thu Jun 21 12:49:23 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:45 2012 -0800"
      },
      "message": "libceph: drop declaration of ceph_con_get()\n\ncommit 261030215d970c62f799e6e508e3c68fc7ec2aa9 upstream.\n\nFor some reason the declaration of ceph_con_get() and\nceph_con_put() did not get deleted in this commit:\n    d59315ca libceph: drop ceph_con_get/put helpers and nref member\n\nClean that up.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nCc: Herton Ronaldo Krzesinski \u003cherton.krzesinski@canonical.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n"
    },
    {
      "commit": "dfae3b3451c6da14df1fa62d76c8a4345d21bdb2",
      "tree": "d674f1e1998b9ae902ab74f235e1bd39d31525d4",
      "parents": [
        "73bba6fc44591587254fec8e867a99b5a2a28ba7"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Mon Sep 24 20:59:48 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:44 2012 -0800"
      },
      "message": "libceph: check for invalid mapping\n\n(cherry picked from commit d63b77f4c552cc3a20506871046ab0fcbc332609)\n\nIf we encounter an invalid (e.g., zeroed) mapping, return an error\nand avoid a divide by zero.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nReviewed-by: Alex Elder \u003celder@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "63c1362476141f4fb340e8236d41674be9fc1983",
      "tree": "13be911ab412f8e02ec6cdfa2688bc5b4296c0a2",
      "parents": [
        "265fb7c177f9db75d628b3479b6223c1c8110e67"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Fri Jul 20 17:29:55 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:41 2012 -0800"
      },
      "message": "libceph: clean up con flags\n\n(cherry picked from commit 4a8616920860920abaa51193146fe36b38ef09aa)\n\nRename flags with CON_FLAG prefix, move the definitions into the c file,\nand (better) document their meaning.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "265fb7c177f9db75d628b3479b6223c1c8110e67",
      "tree": "85f85c837e89f7d09041a26bb60a5b35495afc93",
      "parents": [
        "cb9f8855591613dff0909c99d46a29e10eb39b25"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Fri Jul 20 17:24:40 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:41 2012 -0800"
      },
      "message": "libceph: replace connection state bits with states\n\n(cherry picked from commit 8dacc7da69a491c515851e68de6036f21b5663ce)\n\nUse a simple set of 6 enumerated values for the socket states (CON_STATE_*)\nand use those instead of the state bits.  All of the con-\u003estate checks are\nnow under the protection of the con mutex, so this is safe.  It also\nsimplifies many of the state checks because we can check for anything other\nthan the expected state instead of various bits for races we can think of.\n\nThis appears to hold up well to stress testing both with and without socket\nfailure injection on the server side.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "59d02721bb2838893596d5617659fe907dd45518",
      "tree": "126ac6b7dba3ef26cb4c6e32b7bc2faf74c1c35d",
      "parents": [
        "9beb73fcb83317786226b4203d7e56c6b0f43adb"
      ],
      "author": {
        "name": "Guanjun He",
        "email": "gjhe@suse.com",
        "time": "Sun Jul 08 19:50:33 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:38 2012 -0800"
      },
      "message": "libceph: prevent the race of incoming work during teardown\n\n(cherry picked from commit a2a3258417eb6a1799cf893350771428875a8287)\n\nAdd an atomic variable \u0027stopping\u0027 as flag in struct ceph_messenger,\nset this flag to 1 in function ceph_destroy_client(), and add the condition code\nin function ceph_data_ready() to test the flag value, if true(1), just return.\n\nSigned-off-by: Guanjun He \u003cgjhe@suse.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "9beb73fcb83317786226b4203d7e56c6b0f43adb",
      "tree": "625dd1aa57201317108b56b11ae83195655d7939",
      "parents": [
        "d92d11da1dd8531150823ff429ae29a0cf5e438d"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Mon Jul 09 14:22:34 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:38 2012 -0800"
      },
      "message": "libceph: initialize msgpool message types\n\n(cherry picked from commit d50b409fb8698571d8209e5adfe122e287e31290)\n\nInitialize the type field for messages in a msgpool.  The caller was doing\nthis for osd ops, but not for the reply messages.\n\nReported-by: Alex Elder \u003celder@inktank.com\u003e\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "638ba1765d03bdc3a972bfca69fd0a4a4eda717c",
      "tree": "75da2d47d2997f1a2800dbc7bea2f4d5520f47bf",
      "parents": [
        "db90f992eb77188ce3e2b95d36f99ba194e04e66"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Wed Jun 27 12:24:08 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:37 2012 -0800"
      },
      "message": "libceph: set peer name on con_open, not init\n\n(cherry picked from commit b7a9e5dd40f17a48a72f249b8bbc989b63bae5fd)\n\nThe peer name may change on each open attempt, even when the connection is\nreused.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "a94af04be86f81d5e3973a37e6a861f329418f1e",
      "tree": "f9894d5ba822a10d31b1cf310dfd14f47c214bb6",
      "parents": [
        "abb46df87f784b398bcdb5091175d24456e42f11"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Wed May 23 14:35:23 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:28 2012 -0800"
      },
      "message": "libceph: define and use an explicit CONNECTED state\n\n(cherry picked from commit e27947c767f5bed15048f4e4dad3e2eb69133697)\n\nThere is no state explicitly defined when a ceph connection is fully\noperational.  So define one.\n\nIt\u0027s set when the connection sequence completes successfully, and is\ncleared when the connection gets closed.\n\nBe a little more careful when examining the old state when a socket\ndisconnect event is reported.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "9021a42c794bf96156be9ad556ef707814a361ff",
      "tree": "54475c6baca932d1eb1272038a380a5e474e8e52",
      "parents": [
        "1c623b046a6c72666d81afa004f8bf7f70cd4391"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Thu Jun 21 12:49:23 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:25 2012 -0800"
      },
      "message": "libceph: drop ceph_con_get/put helpers and nref member\n\n(cherry picked from commit d59315ca8c0de00df9b363f94a2641a30961ca1c)\n\nThese are no longer used.  Every ceph_connection instance is embedded in\nanother structure, and refcounts manipulated via the get/put ops.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "ce4516fbb42d2ad5adba4699ebc1703d4e08e821",
      "tree": "19b4f581d776e60440b57de8400a976c4facddd8",
      "parents": [
        "ae048538ab62c31f67d42e00a3183b8870809a3c"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Fri Jun 01 14:56:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:24 2012 -0800"
      },
      "message": "libceph: make ceph_con_revoke_message() a msg op\n\n(cherry picked from commit 8921d114f5574c6da2cdd00749d185633ecf88f3)\n\nceph_con_revoke_message() is passed both a message and a ceph\nconnection.  A ceph_msg allocated for incoming messages on a\nconnection always has a pointer to that connection, so there\u0027s no\nneed to provide the connection when revoking such a message.\n\nNote that the existing logic does not preclude the message supplied\nbeing a null/bogus message pointer.  The only user of this interface\nis the OSD client, and the only value an osd client passes is a\nrequest\u0027s r_reply field.  That is always non-null (except briefly in\nan error path in ceph_osdc_alloc_request(), and that drops the\nonly reference so the request won\u0027t ever have a reply to revoke).\nSo we can safely assume the passed-in message is non-null, but add a\nBUG_ON() to make it very obvious we are imposing this restriction.\n\nRename the function ceph_msg_revoke_incoming() to reflect that it is\nreally an operation on an incoming message.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "ae048538ab62c31f67d42e00a3183b8870809a3c",
      "tree": "f77272ada51185c3892dab22dba5775b827be59c",
      "parents": [
        "bfd357201d3ffc6cc621e4c69fd47e7d457e5f3a"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Fri Jun 01 14:56:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:24 2012 -0800"
      },
      "message": "libceph: make ceph_con_revoke() a msg operation\n\n(cherry picked from commit 6740a845b2543cc46e1902ba21bac743fbadd0dc)\n\nceph_con_revoke() is passed both a message and a ceph connection.\nNow that any message associated with a connection holds a pointer\nto that connection, there\u0027s no need to provide the connection when\nrevoking a message.\n\nThis has the added benefit of precluding the possibility of the\nproviding the wrong connection pointer.  If the message\u0027s connection\npointer is null, it is not being tracked by any connection, so\nrevoking it is a no-op.  This is supported as a convenience for\nupper layers, so they can revoke a message that is not actually\n\"in flight.\"\n\nRename the function ceph_msg_revoke() to reflect that it is really\nan operation on a message, not a connection.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "e84e066e5c8c858d3954b2ef1da25c14309e4cef",
      "tree": "fa927a404b1bdd81fb9102824549cc04dee8f875",
      "parents": [
        "35067a20685e5f51513c3633256e658fc71e847e"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Fri Jun 01 14:56:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:23 2012 -0800"
      },
      "message": "libceph: have messages point to their connection\n\n(cherry picked from commit 38941f8031bf042dba3ced6394ba3a3b16c244ea)\n\nWhen a ceph message is queued for sending it is placed on a list of\npending messages (ceph_connection-\u003eout_queue).  When they are\nactually sent over the wire, they are moved from that list to\nanother (ceph_connection-\u003eout_sent).  When acknowledgement for the\nmessage is received, it is removed from the sent messages list.\n\nDuring that entire time the message is \"in the possession\" of a\nsingle ceph connection.  Keep track of that connection in the\nmessage.  This will be used in the next patch (and is a helpful\nbit of information for debugging anyway).\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "6880138c03448b3c375a3d7a8ef6acd688e6fb40",
      "tree": "32fcab0d28584b1ba13756cbdfd4f870065ecd69",
      "parents": [
        "9403ae33bf946342b23cfe3dbf3e4c9b86860c97"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Sat May 26 23:26:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:23 2012 -0800"
      },
      "message": "libceph: fully initialize connection in con_init()\n\n(cherry picked from commit 1bfd89f4e6e1adc6a782d94aa5d4c53be1e404d7)\n\nMove the initialization of a ceph connection\u0027s private pointer,\noperations vector pointer, and peer name information into\nceph_con_init().  Rearrange the arguments so the connection pointer\nis first.  Hide the byte-swapping of the peer entity number inside\nceph_con_init()\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "31a84d83433edc79151e28762c1992c0708b222c",
      "tree": "4be92156c4e1ee9c363f83fc6c2596cf608b8199",
      "parents": [
        "51588ed26f489e50bfd2359d55abcb4d907149bc"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Sat May 26 23:26:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:22 2012 -0800"
      },
      "message": "libceph: embed ceph connection structure in mon_client\n\n(cherry picked from commit 67130934fb579fdf0f2f6d745960264378b57dc8)\n\nA monitor client has a pointer to a ceph connection structure in it.\nThis is the only one of the three ceph client types that do it this\nway; the OSD and MDS clients embed the connection into their main\nstructures.  There is always exactly one ceph connection for a\nmonitor client, so there is no need to allocate it separate from the\nmonitor client structure.\n\nSo switch the ceph_mon_client structure to embed its\nceph_connection structure.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "0bcd15777405bf024a3ec591731582f7263ea1c0",
      "tree": "e6e909ce1c506b160a4f8121701681fd5a697778",
      "parents": [
        "bc327474a0c9f3477be61b2d3e33833ef7b01bf9"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Tue May 22 22:15:49 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:22 2012 -0800"
      },
      "message": "libceph: start tracking connection socket state\n\n(cherry picked from commit ce2c8903e76e690846a00a0284e4bd9ee954d680)\n\nStart explicitly keeping track of the state of a ceph connection\u0027s\nsocket, separate from the state of the connection itself.  Create\nplaceholder functions to encapsulate the state transitions.\n\n    --------\n    | NEW* |  transient initial state\n    --------\n        | con_sock_state_init()\n        v\n    ----------\n    | CLOSED |  initialized, but no socket (and no\n    ----------  TCP connection)\n     ^      \\\n     |       \\ con_sock_state_connecting()\n     |        ----------------------\n     |                              \\\n     + con_sock_state_closed()       \\\n     |\\                               \\\n     | \\                               \\\n     |  -----------                     \\\n     |  | CLOSING |  socket event;       \\\n     |  -----------  await close          \\\n     |       ^                            |\n     |       |                            |\n     |       + con_sock_state_closing()   |\n     |      / \\                           |\n     |     /   ---------------            |\n     |    /                   \\           v\n     |   /                    --------------\n     |  /    -----------------| CONNECTING |  socket created, TCP\n     |  |   /                 --------------  connect initiated\n     |  |   | con_sock_state_connected()\n     |  |   v\n    -------------\n    | CONNECTED |  TCP connection established\n    -------------\n\nMake the socket state an atomic variable, reinforcing that it\u0027s a\ndistinct transtion with no possible \"intermediate/both\" states.\nThis is almost certainly overkill at this point, though the\ntransitions into CONNECTED and CLOSING state do get called via\nsocket callback (the rest of the transitions occur with the\nconnection mutex held).  We can back out the atomicity later.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil\u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "bc327474a0c9f3477be61b2d3e33833ef7b01bf9",
      "tree": "fabf603a635c91daf1afd423f48fbc7574fa0400",
      "parents": [
        "d910c114b6da5b78c88889eff1b3f9e83c6f81cb"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Tue May 22 11:41:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:21 2012 -0800"
      },
      "message": "libceph: start separating connection flags from state\n\n(cherry picked from commit 928443cd9644e7cfd46f687dbeffda2d1a357ff9)\n\nA ceph_connection holds a mixture of connection state (as in \"state\nmachine\" state) and connection flags in a single \"state\" field.  To\nmake the distinction more clear, define a new \"flags\" field and use\nit rather than the \"state\" field to hold Boolean flag values.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil\u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "d910c114b6da5b78c88889eff1b3f9e83c6f81cb",
      "tree": "3bef4800c3888c84e61436de727ddba440eeb33b",
      "parents": [
        "4874ba9c07e2fa418cd7272d657f5cc883efd35a"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Sat May 26 23:26:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:21 2012 -0800"
      },
      "message": "libceph: embed ceph messenger structure in ceph_client\n\n(cherry picked from commit 15d9882c336db2db73ccf9871ae2398e452f694c)\n\nA ceph client has a pointer to a ceph messenger structure in it.\nThere is always exactly one ceph messenger for a ceph client, so\nthere is no need to allocate it separate from the ceph client\nstructure.\n\nSwitch the ceph_client structure to embed its ceph_messenger\nstructure.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Yehuda Sadeh \u003cyehuda@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "809c58f1bd5fa3d3e9ff1d3614c00c1a1239abf1",
      "tree": "b706507a913b80898d6fd4a870189c96763f3c1f",
      "parents": [
        "ac7a42681718cd7474cec70f198f0684ba7444eb"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Tue May 29 21:47:38 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:21 2012 -0800"
      },
      "message": "libceph: kill bad_proto ceph connection op\n\n(cherry picked from commit 6384bb8b8e88a9c6bf2ae0d9517c2c0199177c34)\n\nNo code sets a bad_proto method in its ceph connection operations\nvector, so just get rid of it.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Yehuda Sadeh \u003cyehuda@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "ac7a42681718cd7474cec70f198f0684ba7444eb",
      "tree": "30312de527b0b0a602b29b5c9d9c925e48d7f463",
      "parents": [
        "e7fda85c9dab7396c5ed7345ab7c6fcdf4ffc366"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Tue May 22 11:41:43 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:20 2012 -0800"
      },
      "message": "libceph: eliminate connection state \"DEAD\"\n\n(cherry picked from commit e5e372da9a469dfe3ece40277090a7056c566838)\n\nThe ceph connection state \"DEAD\" is never set and is therefore not\nneeded.  Eliminate it.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Yehuda Sadeh \u003cyehuda@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "49da293c7dc4401c2c7963a2c70f633b1c8fa8c5",
      "tree": "7e61b4bfd7e2c192ba47b8db4866f3f9e7c039c2",
      "parents": [
        "21cbad59b07693104dda76ee4afef41302b2b8fb"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@inktank.com",
        "time": "Tue Jul 10 11:53:34 2012 -0700"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:10 2012 -0800"
      },
      "message": "libceph: fix messenger retry\n\n(cherry picked from commit 5bdca4e0768d3e0f4efa43d9a2cc8210aeb91ab9)\n\nIn ancient times, the messenger could both initiate and accept connections.\nAn artifact if that was data structures to store/process an incoming\nceph_msg_connect request and send an outgoing ceph_msg_connect_reply.\nSadly, the negotiation code was referencing those structures and ignoring\nimportant information (like the peer\u0027s connect_seq) from the correct ones.\n\nAmong other things, this fixes tight reconnect loops where the server sends\nRETRY_SESSION and we (the client) retries with the same connect_seq as last\ntime.  This bug pretty easily triggered by injecting socket failures on the\nMDS and running some fs workload like workunits/direct_io/test_sync_io.\n\nSigned-off-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "ed35fbcd3cf73dfbff59bf8c20c772925562bc45",
      "tree": "7a93030aa0bd809eb111d339cd82a0c29b32be74",
      "parents": [
        "4f33c7ed3796a5078cd9eef0d3af4ebf8f7e1b99"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Wed May 16 15:16:39 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:08 2012 -0800"
      },
      "message": "ceph: use info returned by get_authorizer\n\n(cherry picked from commit 8f43fb53894079bf0caab6e348ceaffe7adc651a)\n\nRather than passing a bunch of arguments to be filled in with the\ncontent of the ceph_auth_handshake buffer now returned by the\nget_authorizer method, just use the returned information in the\ncaller, and drop the unnecessary arguments.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "4f33c7ed3796a5078cd9eef0d3af4ebf8f7e1b99",
      "tree": "04ad359931118b3023e230b48dbba1a2184e8ad4",
      "parents": [
        "83d28f7956228e0dd1774aed1096392d3bfc0597"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Wed May 16 15:16:39 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:07 2012 -0800"
      },
      "message": "ceph: have get_authorizer methods return pointers\n\n(cherry picked from commit a3530df33eb91d787d08c7383a0a9982690e42d0)\n\nHave the get_authorizer auth_client method return a ceph_auth\npointer rather than an integer, pointer-encoding any returned\nerror value.  This is to pave the way for making use of the\nreturned value in an upcoming patch.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "018a2a13f3cb5e205618b1357124ff25eb3a8223",
      "tree": "cdbe7ee5776a748574c31d42721b97870ac2fad1",
      "parents": [
        "0f56a54fced6bee6e56a8b84f9adb65a41032866"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Wed May 16 15:16:39 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:07 2012 -0800"
      },
      "message": "ceph: messenger: reduce args to create_authorizer\n\n(cherry picked from commit 74f1869f76d043bad12ec03b4d5f04a8c3d1f157)\n\nMake use of the new ceph_auth_handshake structure in order to reduce\nthe number of arguments passed to the create_authorizor method in\nceph_auth_client_ops.  Use a local variable of that type as a\nshorthand in the get_authorizer method definitions.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "0f56a54fced6bee6e56a8b84f9adb65a41032866",
      "tree": "fbe92f0375167e2f0b17ce0159b464a89cc667d4",
      "parents": [
        "33f0577a991d6d00805450ea29da5a91f6acd1a8"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@inktank.com",
        "time": "Wed May 16 15:16:38 2012 -0500"
      },
      "committer": {
        "name": "Greg Kroah-Hartman",
        "email": "gregkh@linuxfoundation.org",
        "time": "Mon Nov 26 11:38:07 2012 -0800"
      },
      "message": "ceph: define ceph_auth_handshake type\n\n(cherry picked from commit 6c4a19158b96ea1fb8acbe0c1d5493d9dcd2f147)\n\nThe definitions for the ceph_mds_session and ceph_osd both contain\nfive fields related only to \"authorizers.\"  Encapsulate those fields\ninto their own struct type, allowing for better isolation in some\nupcoming patches.\n\nFix the #includes in \"linux/ceph/osd_client.h\" to lay out their more\ncomplete canonical path.\n\nSigned-off-by: Alex Elder \u003celder@inktank.com\u003e\nReviewed-by: Sage Weil \u003csage@inktank.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n"
    },
    {
      "commit": "56b59b429b4c26e5e730bc8c3d837de9f7d0a966",
      "tree": "191bf87e438a3985ccb7e3c5382fab8d31f94edb",
      "parents": [
        "9a7259d5c8978bbeb5fdcf64b168f8470d8208a6",
        "c666601a935b94cc0f3310339411b6940de751ba"
      ],
      "author": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Wed Mar 28 10:01:29 2012 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Wed Mar 28 10:01:29 2012 -0700"
      },
      "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client\n\nPull Ceph updates for 3.4-rc1 from Sage Weil:\n \"Alex has been busy.  There are a range of rbd and libceph cleanups,\n  especially surrounding device setup and teardown, and a few critical\n  fixes in that code.  There are more cleanups in the messenger code,\n  virtual xattrs, a fix for CRC calculation/checks, and lots of other\n  miscellaneous stuff.\n\n  There\u0027s a patch from Amon Ott to make inos behave a bit better on\n  32-bit boxes, some decode check fixes from Xi Wang, and network\n  throttling fix from Jim Schutt, and a couple RBD fixes from Josh\n  Durgin.\n\n  No new functionality, just a lot of cleanup and bug fixing.\"\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (65 commits)\n  rbd: move snap_rwsem to the device, rename to header_rwsem\n  ceph: fix three bugs, two in ceph_vxattrcb_file_layout()\n  libceph: isolate kmap() call in write_partial_msg_pages()\n  libceph: rename \"page_shift\" variable to something sensible\n  libceph: get rid of zero_page_address\n  libceph: only call kernel_sendpage() via helper\n  libceph: use kernel_sendpage() for sending zeroes\n  libceph: fix inverted crc option logic\n  libceph: some simple changes\n  libceph: small refactor in write_partial_kvec()\n  libceph: do crc calculations outside loop\n  libceph: separate CRC calculation from byte swapping\n  libceph: use \"do\" in CRC-related Boolean variables\n  ceph: ensure Boolean options support both senses\n  libceph: a few small changes\n  libceph: make ceph_tcp_connect() return int\n  libceph: encapsulate some messenger cleanup code\n  libceph: make ceph_msgr_wq private\n  libceph: encapsulate connection kvec operations\n  libceph: move prepare_write_banner()\n  ...\n"
    },
    {
      "commit": "bca064d236a2e3162a07c758855221bcbe3c475b",
      "tree": "49fca3de9007fa6cc5304bd8d7851d28cbe33110",
      "parents": [
        "cffaba15cd95d4a16eb5a6aa5c22a79f67d555ab"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Wed Feb 15 07:43:54 2012 -0600"
      },
      "committer": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Thu Mar 22 10:47:51 2012 -0500"
      },
      "message": "libceph: use \"do\" in CRC-related Boolean variables\n\nChange the name (and type) of a few CRC-related Boolean local\nvariables so they contain the word \"do\", to distingish their purpose\nfrom variables used for holding an actual CRC value.\n\nNote that in the process of doing this I identified a fairly serious\nlogic error in write_partial_msg_pages():  the value of \"do_crc\"\nassigned appears to be the opposite of what it should be.  No\nattempt to fix this is made here; this change preserves the\nerroneous behavior.  The problem I found is documented here:\n    http://tracker.newdream.net/issues/2064\n\nSigned-off-by: Alex Elder \u003celder@dreamhost.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "e0f43c9419c1900e5b50de4261e9686a45a0a2b8",
      "tree": "28a0452e2bc223513b376f9db711f878a848bddc",
      "parents": [
        "859eb7994876f26fd9f52d9589fbcab8e2fe8069"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Tue Feb 14 14:05:33 2012 -0600"
      },
      "committer": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Thu Mar 22 10:47:50 2012 -0500"
      },
      "message": "libceph: make ceph_msgr_wq private\n\nThe messenger workqueue has no need to be public.  So give it static\nscope.\n\nSigned-off-by: Alex Elder \u003celder@dreamhost.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "ee57741c5209154b8ef124bcaa2496da1b69a988",
      "tree": "248a6e7bf259bb849f885f1ff4a82be74ab4913b",
      "parents": [
        "2107978668de13da484f7abc3f03516494c7fca9"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Tue Jan 24 10:08:36 2012 -0600"
      },
      "committer": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Thu Mar 22 10:47:47 2012 -0500"
      },
      "message": "rbd: make ceph_parse_options() return a pointer\n\nceph_parse_options() takes the address of a pointer as an argument\nand uses it to return the address of an allocated structure if\nsuccessful.  With this interface is not evident at call sites that\nthe pointer is always initialized.  Change the interface to return\nthe address instead (or a pointer-coded error code) to make the\nvalidity of the returned pointer obvious.\n\nSigned-off-by: Alex Elder \u003celder@dreamhost.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "5766651971e81298732466c9aa462ff47898ba37",
      "tree": "147bfd12f3b335d6b2fdb2af162c582a58c33fe5",
      "parents": [
        "80834312a4da1405a9bc788313c67643de6fcb4c"
      ],
      "author": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Mon Jan 23 15:49:27 2012 -0600"
      },
      "committer": {
        "name": "Alex Elder",
        "email": "elder@dreamhost.com",
        "time": "Thu Mar 22 10:47:45 2012 -0500"
      },
      "message": "ceph: use a shared zero page rather than one per messenger\n\nEach messenger allocates a page to be used when writing zeroes\nout in the event of error or other abnormal condition.  Instead,\nuse the kernel ZERO_PAGE() for that purpose.\n\nSigned-off-by: Alex Elder \u003celder@dreamhost.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "187f1882b5b0748b3c4c22274663fdb372ac0452",
      "tree": "36283f258cf65f03599a045d48bb05d0ec27f3f9",
      "parents": [
        "50af5ead3b44ccf8bd2b4d2a50c1b610f557c480"
      ],
      "author": {
        "name": "Paul Gortmaker",
        "email": "paul.gortmaker@windriver.com",
        "time": "Wed Nov 23 20:12:59 2011 -0500"
      },
      "committer": {
        "name": "Paul Gortmaker",
        "email": "paul.gortmaker@windriver.com",
        "time": "Sun Mar 04 17:54:34 2012 -0500"
      },
      "message": "BUG: headers with BUG/BUG_ON etc. need linux/bug.h\n\nIf a header file is making use of BUG, BUG_ON, BUILD_BUG_ON, or any\nother BUG variant in a static inline (i.e. not in a #define) then\nthat header really should be including \u003clinux/bug.h\u003e and not just\nexpecting it to be implicitly present.\n\nWe can make this change risk-free, since if the files using these\nheaders didn\u0027t have exposure to linux/bug.h already, they would have\nbeen causing compile failures/warnings.\n\nSigned-off-by: Paul Gortmaker \u003cpaul.gortmaker@windriver.com\u003e\n"
    },
    {
      "commit": "224736d9113ab4a7cf3f05c05377492bd99b4b02",
      "tree": "0a8fe8063e904eebc2f591607faf8711b78016f8",
      "parents": [
        "774ac21da76f5c3018428725074e27a3fd40b128"
      ],
      "author": {
        "name": "Stratos Psomadakis",
        "email": "psomas@grnet.gr",
        "time": "Thu Nov 10 15:45:37 2011 +0200"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Fri Nov 11 09:50:19 2011 -0800"
      },
      "message": "libceph: Allocate larger oid buffer in request msgs\n\nceph_osd_request struct allocates a 40-byte buffer for object names.\nRBD image names can be up to 96 chars long (100 with the .rbd suffix),\nwhich results in the object name for the image being truncated, and a\nsubsequent map failure.\n\nIncrease the oid buffer in request messages, in order to avoid the\ntruncation.\n\nSigned-off-by: Stratos Psomadakis \u003cpsomas@grnet.gr\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "97d2eb13a019ec09cc1a7ea2d3705c0b117b3c0d",
      "tree": "86f6382941f8cfc41647d33d87bec7bc1407c18c",
      "parents": [
        "68d99b2c8efcb6ed3807a55569300c53b5f88be5",
        "339573406737461cfb17bebabf7ba536a302d841"
      ],
      "author": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Fri Oct 28 16:42:18 2011 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Fri Oct 28 16:42:18 2011 -0700"
      },
      "message": "Merge branch \u0027for-linus\u0027 of git://ceph.newdream.net/git/ceph-client\n\n* \u0027for-linus\u0027 of git://ceph.newdream.net/git/ceph-client:\n  libceph: fix double-free of page vector\n  ceph: fix 32-bit ino numbers\n  libceph: force resend of osd requests if we skip an osdmap\n  ceph: use kernel DNS resolver\n  ceph: fix ceph_monc_init memory leak\n  ceph: let the set_layout ioctl set single traits\n  Revert \"ceph: don\u0027t truncate dirty pages in invalidate work thread\"\n  ceph: replace leading spaces with tabs\n  libceph: warn on msg allocation failures\n  libceph: don\u0027t complain on msgpool alloc failures\n  libceph: always preallocate mon connection\n  libceph: create messenger with client\n  ceph: document ioctls\n  ceph: implement (optional) max read size\n  ceph: rename rsize -\u003e rasize\n  ceph: make readpages fully async\n"
    },
    {
      "commit": "b61c27636fffbaf1980e675282777b9467254a40",
      "tree": "bd78cfefda4beb7e3de5fe97dd36fed3dbfa91c1",
      "parents": [
        "f6a2f5be07463ef532b9f4e3cb9e42ab9df85832"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Aug 09 15:03:46 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Oct 25 16:10:15 2011 -0700"
      },
      "message": "libceph: don\u0027t complain on msgpool alloc failures\n\nThe pool allocation failures are masked by the pool; there is no need to\nspam the console about them.  (That\u0027s the whole point of having the pool\nin the first place.)\n\nMark msg allocations whose failure is safely handled as such.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "6ab00d465a1c8c02c2216f8220727282f3aa50b5",
      "tree": "b4cc08e1be5ffe0a60d9090d86f7f0d05b1f6e36",
      "parents": [
        "6a8ea4706adb4b4d8f77a8da5f9778b65fbf6f48"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Aug 09 09:41:59 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Oct 25 16:10:15 2011 -0700"
      },
      "message": "libceph: create messenger with client\n\nThis simplifies the init/shutdown paths, and makes client-\u003emsgr available\nduring the rest of the setup process.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "e060c38434b2caa78efe7cedaff4191040b65a15",
      "tree": "407361230bf6733f63d8e788e4b5e6566ee04818",
      "parents": [
        "10e4ac572eeffe5317019bd7330b6058a400dfc2",
        "cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941"
      ],
      "author": {
        "name": "Jiri Kosina",
        "email": "jkosina@suse.cz",
        "time": "Thu Sep 15 15:08:05 2011 +0200"
      },
      "committer": {
        "name": "Jiri Kosina",
        "email": "jkosina@suse.cz",
        "time": "Thu Sep 15 15:08:18 2011 +0200"
      },
      "message": "Merge branch \u0027master\u0027 into for-next\n\nFast-forward merge with Linus to be able to merge patches\nbased on more recent version of the tree.\n"
    },
    {
      "commit": "e81b15168e2d3d1ab56b13782fe8ad0cb362379d",
      "tree": "d7bfedf53a60d7c09d5a1bf3ce9465b89b3e8af5",
      "parents": [
        "c9bab38f70414918d414a1672d908f6447880075"
      ],
      "author": {
        "name": "Jesper Juhl",
        "email": "jj@chaosbits.net",
        "time": "Mon Aug 01 23:04:30 2011 +0200"
      },
      "committer": {
        "name": "Jiri Kosina",
        "email": "jkosina@suse.cz",
        "time": "Thu Sep 15 14:57:06 2011 +0200"
      },
      "message": "Remove unneeded version.h includes from include/\n\nIt was pointed out by \u0027make versioncheck\u0027 that some includes of\nlinux/version.h are not needed in include/.\nThis patch removes them.\n\nWhen I last posted the patch, the ceph bit was ACK\u0027ed by Sage Weil, so\nI\u0027ve added that below.\n\nThe pwc-ioctl change generated quite a bit of discussion about V4L version\nnumbers in general, but as far as I can tell, no concensus was reached on\nwhat the long term solution should be, so in the mean time I think we\ncould start by just removing the unneeded include, which is why I\u0027m\nresending the patch with that hunk still included.\n\nSigned-off-by: Jesper Juhl \u003cjj@chaosbits.net\u003e\nAcked-by: Sage Weil \u003csage@newdream.net\u003e\nSigned-off-by: Jiri Kosina \u003cjkosina@suse.cz\u003e\n"
    },
    {
      "commit": "ba5b56cb3e3d2cab73d4fee9a022bb69462a8cd9",
      "tree": "eda7ea059a41ae5d68e2ad5a36a87069187ef22a",
      "parents": [
        "243dd2809a5edd2e0e3e62781083aa44049af37d",
        "d79698da32b317e96216236f265a9b72b78ae568"
      ],
      "author": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Jul 26 13:38:50 2011 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Jul 26 13:38:50 2011 -0700"
      },
      "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (23 commits)\n  ceph: document unlocked d_parent accesses\n  ceph: explicitly reference rename old_dentry parent dir in request\n  ceph: document locking for ceph_set_dentry_offset\n  ceph: avoid d_parent in ceph_dentry_hash; fix ceph_encode_fh() hashing bug\n  ceph: protect d_parent access in ceph_d_revalidate\n  ceph: protect access to d_parent\n  ceph: handle racing calls to ceph_init_dentry\n  ceph: set dir complete frag after adding capability\n  rbd: set blk_queue request sizes to object size\n  ceph: set up readahead size when rsize is not passed\n  rbd: cancel watch request when releasing the device\n  ceph: ignore lease mask\n  ceph: fix ceph_lookup_open intent usage\n  ceph: only link open operations to directory unsafe list if O_CREAT|O_TRUNC\n  ceph: fix bad parent_inode calc in ceph_lookup_open\n  ceph: avoid carrying Fw cap during write into page cache\n  libceph: don\u0027t time out osd requests that haven\u0027t been received\n  ceph: report f_bfree based on kb_avail rather than diffing.\n  ceph: only queue capsnap if caps are dirty\n  ceph: fix snap writeback when racing with writes\n  ...\n"
    },
    {
      "commit": "4cf9d544631c92809cb94ea680c71df56e9437aa",
      "tree": "419e162dfb25e69ef1a89c56a318ad322cf21053",
      "parents": [
        "8f04d42276048b3baff5a5d8fa769f433c62b63e"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Jul 26 11:27:24 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Jul 26 11:27:24 2011 -0700"
      },
      "message": "libceph: don\u0027t time out osd requests that haven\u0027t been received\n\nKeep track of when an outgoing message is ACKed (i.e., the server fully\nreceived it and, presumably, queued it for processing).  Time out OSD\nrequests only if it\u0027s been too long since they\u0027ve been received.\n\nThis prevents timeouts and connection thrashing when the OSDs are simply\nbusy and are throttling the requests they read off the network.\n\nReviewed-by: Yehuda Sadeh \u003cyehuda@hq.newdream.net\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "497888cf69bf607ac1fe061a6437e0a670b0022f",
      "tree": "ac0897eff214f09c89d5f4fbc3c03ef9d010a83c",
      "parents": [
        "06b72d06d6b182bdaaaec686dbd8b602949521ee"
      ],
      "author": {
        "name": "Phil Carmody",
        "email": "ext-phil.2.carmody@nokia.com",
        "time": "Thu Jul 14 15:07:13 2011 +0300"
      },
      "committer": {
        "name": "Jiri Kosina",
        "email": "jkosina@suse.cz",
        "time": "Thu Jul 21 14:10:00 2011 +0200"
      },
      "message": "treewide: fix potentially dangerous trailing \u0027;\u0027 in #defined values/expressions\n\nAll these are instances of\n  #define NAME value;\nor\n  #define NAME(params_opt) value;\n\nThese of course fail to build when used in contexts like\n  if(foo $OP NAME)\n  while(bar $OP NAME)\nand may silently generate the wrong code in contexts such as\n  foo \u003d NAME + 1;    /* foo \u003d value; + 1; */\n  bar \u003d NAME - 1;    /* bar \u003d value; - 1; */\n  baz \u003d NAME \u0026 quux; /* baz \u003d value; \u0026 quux; */\n\nReported on comp.lang.c,\nMessage-ID: \u003cab0d55fe-25e5-482b-811e-c475aa6065c3@c29g2000yqd.googlegroups.com\u003e\nInitial analysis of the dangers provided by Keith Thompson in that thread.\n\nThere are many more instances of more complicated macros having unnecessary\ntrailing semicolons, but this pile seems to be all of the cases of simple\nvalues suffering from the problem. (Thus things that are likely to be found\nin one of the contexts above, more complicated ones aren\u0027t.)\n\nSigned-off-by: Phil Carmody \u003cext-phil.2.carmody@nokia.com\u003e\nSigned-off-by: Jiri Kosina \u003cjkosina@suse.cz\u003e\n"
    },
    {
      "commit": "3c454cf21645bc96668e286f6352ac2c4c895fa2",
      "tree": "9ad5d408a07819d3e1155fb98df44c92f86a0eb5",
      "parents": [
        "aedfec59eed37d1ff7ce09b303b668234e9a7f8e"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Apr 06 09:31:40 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue May 24 11:52:05 2011 -0700"
      },
      "message": "ceph: use LOOKUPINO to make unconnected nfs fh more reliable\n\nIf we are unable to locate an inode by ino, ask the MDS using the new\nLOOKUPINO command.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "8323c3aa74cd92465350294567142d12ffdcc963",
      "tree": "052e7374393994eea8d534f98ee1bc7acea4c2d9",
      "parents": [
        "fbdb9190482fd83a3eb20cdeb0da454759f479d7"
      ],
      "author": {
        "name": "Tommi Virtanen",
        "email": "tommi.virtanen@dreamhost.com",
        "time": "Fri Mar 25 16:32:57 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Mar 29 12:11:16 2011 -0700"
      },
      "message": "ceph: Move secret key parsing earlier.\n\nThis makes the base64 logic be contained in mount option parsing,\nand prepares us for replacing the homebew key management with the\nkernel key retention service.\n\nSigned-off-by: Tommi Virtanen \u003ctommi.virtanen@dreamhost.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "a40c4f10e3fb96030358e49abd010c1f08446fa3",
      "tree": "1aa1f6ca618cd021d944f7da7caeb5b182beaee4",
      "parents": [
        "55b00bae111030bd0dfcc898a920e54725aed1bf"
      ],
      "author": {
        "name": "Yehuda Sadeh",
        "email": "yehuda@hq.newdream.net",
        "time": "Mon Mar 21 15:07:16 2011 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Mar 22 11:33:55 2011 -0700"
      },
      "message": "libceph: add lingering request and watch/notify event framework\n\nLingering requests are requests that are sent to the OSD normally but\ntracked also after we get a successful request.  This keeps the OSD\nconnection open and resends the original request if the object moves to\nanother OSD.  The OSD can then send notification messages back to us\nif another client initiates a notify.\n\nThis framework will be used by RBD so that the client gets notification\nwhen a snapshot is created by another node or tool.\n\nSigned-off-by: Yehuda Sadeh \u003cyehuda@hq.newdream.net\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "80456f8672f7e69d05c01627da03587dc1ea1603",
      "tree": "8351eb6c340a54357fc38df32335a87afefd875f",
      "parents": [
        "ad1fee96cbaf873520064252c5dc3212c9844861"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Thu Mar 10 13:33:26 2011 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Mon Mar 21 12:24:23 2011 -0700"
      },
      "message": "ceph: move readahead default to fs/ceph from libceph\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "483fac71485e5063ff4033b6dc7d91567f1b6ff1",
      "tree": "77c4a567f6b39850751917fa4e62753fa2e6651b",
      "parents": [
        "21f3b5f1bbc3c27e82a8c9fc9861fa20bcb31f26"
      ],
      "author": {
        "name": "Yehuda Sadeh",
        "email": "yehuda@hq.newdream.net",
        "time": "Thu Jan 20 16:36:06 2011 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Mon Mar 21 12:24:21 2011 -0700"
      },
      "message": "ceph: update common header files\n\nThis updates the common header files used by the different ceph\nrelated modules. Specifically it adds definitions required by\nthe rbd watch/notify feature.\n\nSigned-off-by: Yehuda Sadeh \u003cyehuda@hq.newdream.net\u003e\n"
    },
    {
      "commit": "6f6c7006755b667f9f6c1f3b6f08cd65f75cc471",
      "tree": "233e96acdc3b627c97267992368ae1cb6cd66a5f",
      "parents": [
        "09adc80c611bb8902daa8ccfe34dbbc009d6befe"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Mon Jan 17 20:34:08 2011 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Mon Mar 21 12:24:19 2011 -0700"
      },
      "message": "libceph: fix osd request queuing on osdmap updates\n\nIf we send a request to osd A, and the request\u0027s pg remaps to osd B and\nthen back to A in quick succession, we need to resend the request to A. The\nold code was only calling kick_requests after processing all incremental\nmaps in a message, so it was very possible to not resend a request that\nneeded to be resent.  This would make the osd eventually time out (at least\nwith the current default of osd timeouts enabled).\n\nThe correct approach is to scan requests on every map incremental.  This\npatch refactors the kick code in a few ways:\n - all requests are either on req_lru (in flight), req_unsent (ready to\n   send), or req_notarget (currently map to no up osd)\n - mapping always done by map_request (previous map_osds)\n - if the mapping changes, we requeue.  requests are resent only after all\n   map incrementals are processed.\n - some osd reset code is moved out of kick_requests into a separate\n   function\n - the \"kick this osd\" functionality is moved to kick_osd_requests, as it\n   is unrelated to scanning for request-\u003epg-\u003eosd mapping changes\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "e76661d0a59e53e5cc4dccbe4b755d1dc8a968ec",
      "tree": "371ed08c5d00dbcdcf6f18e5cf36d798bcc51180",
      "parents": [
        "60bf8bf8815e6adea4c1d0423578c3b8000e2ec8"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Thu Mar 03 10:10:15 2011 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Fri Mar 04 12:24:31 2011 -0800"
      },
      "message": "libceph: fix msgr keepalive flag\n\nThere was some broken keepalive code using a dead variable.  Shift to using\nthe proper bit flag.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "60bf8bf8815e6adea4c1d0423578c3b8000e2ec8",
      "tree": "ce7140c32a3f177816f4029a88eb99e15bda6943",
      "parents": [
        "692d20f576fb26f62c83f80dbf3ea899998391b7"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Fri Mar 04 12:24:28 2011 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Fri Mar 04 12:24:28 2011 -0800"
      },
      "message": "libceph: fix msgr backoff\n\nWith commit f363e45f we replaced a bunch of hacky workqueue mutual\nexclusion logic with the WQ_NON_REENTRANT flag.  One pieces of fallout is\nthat the exponential backoff breaks in certain cases:\n\n * con_work attempts to connect.\n * we get an immediate failure, and the socket state change handler queues\n   immediate work.\n * con_work calls con_fault, we decide to back off, but can\u0027t queue delayed\n   work.\n\nIn this case, we add a BACKOFF bit to make con_work reschedule delayed work\nnext time it runs (which should be immediately).\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "f363e45fd1184219b472ea549cb7e192e24ef4d2",
      "tree": "1332feb2f7a0a47ce482a0fd4ee9afb547a27090",
      "parents": [
        "01e6acc4ea4c284c44bfb3d46c76f4ae580c6435"
      ],
      "author": {
        "name": "Tejun Heo",
        "email": "tj@kernel.org",
        "time": "Mon Jan 03 14:49:46 2011 +0100"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Jan 12 15:15:14 2011 -0800"
      },
      "message": "net/ceph: make ceph_msgr_wq non-reentrant\n\nceph messenger code does a rather complex dancing around multithread\nworkqueue to make sure the same work item isn\u0027t executed concurrently\non different CPUs.  This restriction can be provided by workqueue with\nWQ_NON_REENTRANT.\n\nMake ceph_msgr_wq non-reentrant workqueue with the default concurrency\nlevel and remove the QUEUED/BUSY logic.\n\n* This removes backoff handling in con_work() but it couldn\u0027t reliably\n  block execution of con_work() to begin with - queue_con() can be\n  called after the work started but before BUSY is set.  It seems that\n  it was an optimization for a rather cold path and can be safely\n  removed.\n\n* The number of concurrent work items is bound by the number of\n  connections and connetions are independent from each other.  With\n  the default concurrency level, different connections will be\n  executed independently.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nCc: Sage Weil \u003csage@newdream.net\u003e\nCc: ceph-devel@vger.kernel.org\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "6c0f3af72cb1622a66962a1180c36ef8c41be8e2",
      "tree": "66e415bf31ea31a3e9360c0ce624fd20b6050c89",
      "parents": [
        "3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 16 11:14:34 2010 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Jan 12 15:15:12 2011 -0800"
      },
      "message": "ceph: add dir_layout to inode\n\nAdd a ceph_dir_layout to the inode, and calculate dentry hash values based\non the parent directory\u0027s specified dir_hash function.  This is needed\nbecause the old default Linux dcache hash function is extremely week and\nleads to a poor distribution of files among dir fragments.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "b6aa5901c7a2bd90d0b6b9866300d2648b2568f3",
      "tree": "1161ed9dbacb7ace73c5d48fc9acd1db0d7815d5",
      "parents": [
        "92cf765237e2787eb168096305c448caf25ac7f8"
      ],
      "author": {
        "name": "Henry C Chang",
        "email": "henry_c_chang@tcloudcomputing.com",
        "time": "Wed Dec 15 20:45:41 2010 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Fri Dec 17 09:54:40 2010 -0800"
      },
      "message": "ceph: mark user pages dirty on direct-io reads\n\nFor read operation, we have to set the argument _write_ of get_user_pages\nto 1 since we will write data to pages. Also, we need to SetPageDirty before\nreleasing these pages.\n\nSigned-off-by: Henry C Chang \u003chenry_c_chang@tcloudcomputing.com\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "c5c6b19d4b8f5431fca05f28ae9e141045022149",
      "tree": "0961d9aeee49f481134089ac5b93b7118cf3a34b",
      "parents": [
        "b7495fc2ff941db6a118a93ab8d61149e3f4cef8"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:40:00 2010 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:43:17 2010 -0800"
      },
      "message": "ceph: explicitly specify page alignment in network messages\n\nThe alignment used for reading data into or out of pages used to be taken\nfrom the data_off field in the message header.  This only worked as long\nas the page alignment matched the object offset, breaking direct io to\nnon-page aligned offsets.\n\nInstead, explicitly specify the page alignment next to the page vector\nin the ceph_msg struct, and use that instead of the message header (which\nprobably shouldn\u0027t be trusted).  The alloc_msg callback is responsible for\nfilling in this field properly when it sets up the page vector.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "b7495fc2ff941db6a118a93ab8d61149e3f4cef8",
      "tree": "231c339d74760e2fa13e5e6f41c10bc28cea51b3",
      "parents": [
        "e98b6fed84d0f0155d7b398e0dfeac74c792f2d0"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:43:12 2010 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:43:12 2010 -0800"
      },
      "message": "ceph: make page alignment explicit in osd interface\n\nWe used to infer alignment of IOs within a page based on the file offset,\nwhich assumed they matched.  This broke with direct IO that was not aligned\nto pages (e.g., 512-byte aligned IO).  We were also trusting the alignment\nspecified in the OSD reply, which could have been adjusted by the server.\n\nExplicitly specify the page alignment when setting up OSD IO requests.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "e98b6fed84d0f0155d7b398e0dfeac74c792f2d0",
      "tree": "0762cba398c39329dc5f056ddfccebf6768d2555",
      "parents": [
        "d8672d64b88cdb7aa8139fb6d218f40b8cbf60af"
      ],
      "author": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:24:53 2010 -0800"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Tue Nov 09 12:24:53 2010 -0800"
      },
      "message": "ceph: fix comment, remove extraneous args\n\nThe offset/length arguments aren\u0027t used.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "571dba52a34015a5a7aa5d480a86936878444a6f",
      "tree": "358000d91b2960555835e7e194660f45d189953b",
      "parents": [
        "010e3b48fca57920557d2b80b83f8b2899fb5d1e"
      ],
      "author": {
        "name": "Greg Farnum",
        "email": "gregf@hq.newdream.net",
        "time": "Fri Sep 24 14:56:40 2010 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Oct 20 15:38:23 2010 -0700"
      },
      "message": "ceph: add CEPH_MDS_OP_SETDIRLAYOUT and associated ioctl.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "ac0b74d8a1ced8ea86147467daf06b15b130dd94",
      "tree": "a71aec65be7f71b42ae78907acd5b0f4aeafd3a9",
      "parents": [
        "18a38193efcaac1fb3c94ad8fa04bb117850a3c2"
      ],
      "author": {
        "name": "Greg Farnum",
        "email": "gregf@hq.newdream.net",
        "time": "Fri Sep 17 10:10:55 2010 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Oct 20 15:38:16 2010 -0700"
      },
      "message": "ceph: add pagelist_reserve, pagelist_truncate, pagelist_set_cursor\n\nThese facilitate preallocation of pages so that we can encode into the pagelist\nin an atomic context.\n\nSigned-off-by: Greg Farnum \u003cgregf@hq.newdream.net\u003e\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    },
    {
      "commit": "3d14c5d2b6e15c21d8e5467dc62d33127c23a644",
      "tree": "7d123c47847df9d1e865b6b78dc7da3fe739b704",
      "parents": [
        "ae1533b62b3369e6ae32338f4a77d64d0e88f676"
      ],
      "author": {
        "name": "Yehuda Sadeh",
        "email": "yehuda@hq.newdream.net",
        "time": "Tue Apr 06 15:14:15 2010 -0700"
      },
      "committer": {
        "name": "Sage Weil",
        "email": "sage@newdream.net",
        "time": "Wed Oct 20 15:37:28 2010 -0700"
      },
      "message": "ceph: factor out libceph from Ceph file system\n\nThis factors out protocol and low-level storage parts of ceph into a\nseparate libceph module living in net/ceph and include/linux/ceph.  This\nis mostly a matter of moving files around.  However, a few key pieces\nof the interface change as well:\n\n - ceph_client becomes ceph_fs_client and ceph_client, where the latter\n   captures the mon and osd clients, and the fs_client gets the mds client\n   and file system specific pieces.\n - Mount option parsing and debugfs setup is correspondingly broken into\n   two pieces.\n - The mon client gets a generic handler callback for otherwise unknown\n   messages (mds map, in this case).\n - The basic supported/required feature bits can be expanded (and are by\n   ceph_fs_client).\n\nNo functional change, aside from some subtle error handling cases that got\ncleaned up in the refactoring process.\n\nSigned-off-by: Sage Weil \u003csage@newdream.net\u003e\n"
    }
  ]
}