)]}' { "log": [ { "commit": "138728dc96529f20dfe970c470e51885a60e329f", "tree": "a0369a9de402cd8b9a123129c5e8ba7c69ba1a95", "parents": [ "969429b504ae866d3f8b1cafd68a2c099e305093" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Mon Mar 27 01:17:50 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Mar 27 08:44:59 2006 -0800" }, "message": "[PATCH] dm snapshot: fix kcopyd destructor\n\nBefore removing a snapshot, wait for the completion of any kcopyd jobs using\nit.\n\nDo this by maintaining a count (nr_jobs) of how many outstanding jobs each\nkcopyd_client has.\n\nThe snapshot destructor first unregisters the snapshot so that no new kcopyd\njobs (created by writes to the origin) will reference that particular\nsnapshot. kcopyd_client_destroy() is now run next to wait for the completion\nof any outstanding jobs before the snapshot exception structures (that those\njobs reference) are freed.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "4ee218cd67b385759993a6c840ea45f0ee0a8b30", "tree": "788d33b31e9d008eeb2de2a7f874e45b09695719", "parents": [ "930d332a23682202c07df0276dd665a57755b37d" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Mon Mar 27 01:17:48 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Mar 27 08:44:58 2006 -0800" }, "message": "[PATCH] dm: remove SECTOR_FORMAT\n\nWe don\u0027t know what type sector_t has. Sometimes it\u0027s unsigned long, sometimes\nit\u0027s unsigned long long. For example on ppc64 it\u0027s unsigned long with\nCONFIG_LBD\u003dn and on x86_64 it\u0027s unsigned long long with CONFIG_LBD\u003dn.\n\nThe way to handle all of this is to always use unsigned long long and to\nalways typecast the sector_t when printing it.\n\nAcked-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "76df1c651b66bdf07d60b3d60789feb5f58d73e3", "tree": "5458257a6a089396ac6ed5883a916af542ca8477", "parents": [ "b4b610f684d13bf8691feeae5d4d7a8bd1f1033e" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Mon Mar 27 01:17:45 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Mar 27 08:44:58 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: fix invalidation\n\nWhen a snapshot becomes invalid, s-\u003evalid is set to 0. In this state, a\nsnapshot can no longer be accessed.\n\nWhen s-\u003elock is acquired, before doing anything else, s-\u003evalid must be checked\nto ensure the snapshot remains valid.\n\nThis patch eliminates some races (that may cause panics) by adding some\nmissing checks. At the same time, some unnecessary levels of indentation are\nremoved and snapshot invalidation is moved into a single function that always\ngenerates a device-mapper event.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "b4b610f684d13bf8691feeae5d4d7a8bd1f1033e", "tree": "3226c70f318f494d3c6a6707879ba82ebec900b9", "parents": [ "eccf081799be8d83852f183838bf26e1ca099db4" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Mon Mar 27 01:17:44 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Mar 27 08:44:58 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: replace sibling list\n\nThe siblings \"list\" is used unsafely at the moment.\n\nFirstly, only the element on the list being changed gets locked (via the\nsnapshot lock), not the next and previous elements which have pointers that\nare also being changed.\n\nSecondly, if you have two or more snapshots and write to the same chunk a\nsecond time before every snapshot has finished making its private copy of the\ndata, if you\u0027re unlucky, _origin_write() could attempt its list_merge() and\ndereference a \u0027last\u0027 pointer to a pending_exception structure that has just\nbeen freed.\n\nAnalysis reveals that the list is actually only there for reference counting.\nIf 5 pending_exceptions are needed in origin_write, then the 5 are joined\ntogether into a 5-element list - without a separate list head because there\u0027s\nnowhere suitable to store it. As the pending_exceptions complete, they are\nremoved from the list one-by-one and any contents of origin_bios get moved\nacross to one of the remaining pending_exceptions on the list. Whichever one\nis last is detected because list_empty() is then true and the origin_bios get\nsubmitted.\n\nThe fix proposed here uses an alternative reference counting mechanism by\nchoosing one of the pending_exceptions as primary and maintaining an atomic\ncounter there.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "eccf081799be8d83852f183838bf26e1ca099db4", "tree": "ff6e2fa87a149f1122e5f0f854bf1707e962f3b8", "parents": [ "e4ccde33de202fae1b1e2a940604ee9e295450d9" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Mon Mar 27 01:17:42 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Mar 27 08:44:58 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: fix origin_write pending_exception submission\n\nSay you have several snapshots of the same origin and then you issue a write\nto some place in the origin for the first time.\n\nBefore the device-mapper snapshot target lets the write go through to the\nunderlying device, it needs to make a copy of the data that is about to be\noverwritten. Each snapshot is independent, so it makes one copy for each\nsnapshot.\n\n__origin_write() loops through each snapshot and checks to see whether a copy\nis needed for that snapshot. (A copy is only needed the first time that data\nchanges.)\n\nIf a copy is needed, the code allocates a \u0027pending_exception\u0027 structure\nholding the details. It links these together for all the snapshots, then\nworks its way through this list and submits the copying requests to the kcopyd\nthread by calling start_copy(). When each request is completed, the original\npending_exception structure gets freed in pending_complete().\n\nIf you\u0027re very unlucky, this structure can get freed *before* the submission\nprocess has finished walking the list.\n\nThis patch:\n\n 1) Creates a new temporary list pe_queue to hold the pending exception\n structures;\n\n 2) Does all the bookkeeping up-front, then walks through the new list\n safely and calls start_copy() for each pending_exception that needed it;\n\n 3) Avoids attempting to add pe-\u003esiblings to the list if it\u0027s already\n connected.\n\n[NB This does not fix all the races in this code. More patches will follow.]\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "93d2341c750cda0df48a6cc67b35fe25f1ec47df", "tree": "f098a3bbfae65ce967591ee94d605c6e6bea21c6", "parents": [ "fec433aaaae32a02329ad7d71b0f3c91b7525077" ], "author": { "name": "Matthew Dobson", "email": "colpatch@us.ibm.com", "time": "Sun Mar 26 01:37:50 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:00 2006 -0800" }, "message": "[PATCH] mempool: use mempool_create_slab_pool()\n\nModify well over a dozen mempool users to call mempool_create_slab_pool()\nrather than calling mempool_create() with extra arguments, saving about 30\nlines of code and increasing readability.\n\nSigned-off-by: Matthew Dobson \u003ccolpatch@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "4aac0a63fe8d418a2b74e43708f59380ba379a3b", "tree": "b71c432edf274776443a27d5dfdbd7800d014e08", "parents": [ "3eaf840e0b0046f56602c524c7ba58a82f5526c5" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Wed Feb 01 03:04:55 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:11 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: barriers not supported\n\nThe snapshot and origin targets are incapable of handling barriers and need to\nindicate this.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "aa14edeb994f8f7e223d02ad14780bf2fa719f6d", "tree": "07fb8ba39d619708bdc0a68a32d4a7296abd955c", "parents": [ "cb82a6cdf994d6656ad0a25ed28395af3416a27c" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Wed Feb 01 03:04:50 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:10 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: load metadata on creation\n\nMove snapshot metadata loading to happen when the table is created instead of\nwhen the device is resumed. Writes to the origin device don\u0027t trigger\nexceptions until each snapshot table becomes active when resume() is called on\neach snapshot.\n\nIf you\u0027re using lvm2, for this patch to work properly you should update to\nlvm2 version 2.02.01 or later and device-mapper version 1.02.02 or later.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "858119e159384308a5dde67776691a2ebf70df0f", "tree": "f360768f999d51edc0863917ce0bf79e88c0ec4c", "parents": [ "b0a9499c3dd50d333e2aedb7e894873c58da3785" ], "author": { "name": "Arjan van de Ven", "email": "arjan@infradead.org", "time": "Sat Jan 14 13:20:43 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Jan 14 18:27:06 2006 -0800" }, "message": "[PATCH] Unlinline a bunch of other functions\n\nRemove the \"inline\" keyword from a bunch of big functions in the kernel with\nthe goal of shrinking it by 30kb to 40kb\n\nSigned-off-by: Arjan van de Ven \u003carjan@infradead.org\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nAcked-by: Jeff Garzik \u003cjgarzik@pobox.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2d38fe204461dc542bb38f2b01a9cd115b367b36", "tree": "3a8267a1ed308a6ae67f89ddc90ca44370b79371", "parents": [ "81f1777a55e8c631b61e5fa5980fb7a2004287af" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Fri Jan 06 00:20:02 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jan 06 08:34:00 2006 -0800" }, "message": "[PATCH] device-mapper snapshot: metadata reading separation\n\nMore snapshot metadata reading into separate function, to prepare for changing\nthe place it gets called from.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d5e404c10a98fc2979643476851e9cbdb1944812", "tree": "1d7d846b43a6a8a022e5cf4fd5453b27abf0de94", "parents": [ "93c534aefb906824d71ea779ed0c7f1573843f4e" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Tue Jul 12 15:53:05 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Jul 12 16:19:11 2005 -0700" }, "message": "[PATCH] device-mapper snapshots: Handle origin extension\n\nHandle writes to a snapshot-origin device that has been extended since the\nsnapshot was taken.\n\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "f6a80ea8ed44de0b19c42d41928be37a186a3f41", "tree": "2e565669d042e54576a4beaba03145ea35ec2145", "parents": [ "3f603ed319d5120e883e64ac5967b2fc848fc43b" ], "author": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Tue Jul 12 15:53:01 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Jul 12 16:19:10 2005 -0700" }, "message": "[PATCH] device-mapper multipath: Barriers not supported\n\ndm multipath will report barriers as not supported with this patch.\n\nSigned-off-by: Lars Marowsky-Bree \u003clmb@suse.de\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "tree": "0bba044c4ce775e45a88a51686b5d9f90697ea9d", "parents": [], "author": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "message": "Linux-2.6.12-rc2\n\nInitial git repository build. I\u0027m not bothering with the full history,\neven though we have it. We can create a separate \"historical\" git\narchive of that later if we want to, and in the meantime it\u0027s about\n3.2GB when imported into git - space that would just make the early\ngit days unnecessarily complicated, when we don\u0027t have a lot of good\ninfrastructure for it.\n\nLet it rip!\n" } ] }