)]}' { "log": [ { "commit": "6b8b3e8a8b3e62b4209eaa36697e3c9df457e196", "tree": "8b537e5b358cbe93cd8e8ea54a9281d56a7ce205", "parents": [ "e3b9703e27aab3839dcdb76b00d98428b67d25b0" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Thu Aug 04 12:53:35 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Thu Aug 04 13:00:54 2005 -0700" }, "message": "[PATCH] md: make sure md bitmap updates are flushed when array is stopped.\n\nThe recent change to never ignore the bitmap, revealed that the bitmap isn\u0027t\nbegin flushed properly when an array is stopped.\n\nWe call bitmap_daemon_work three times as there is a three-stage pipeline for\nflushing updates to the bitmap file.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "6a806c510de490318846b53bbfec463d02ca274b", "tree": "7018abfd9db7856708bc2c578f48c30eab8855b1", "parents": [ "a1287ba1ba810aae1f8b81e32560d5d3bf3ff9f0" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Fri Jul 15 03:56:35 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jul 15 09:54:51 2005 -0700" }, "message": "[PATCH] md/raid1: clear bitmap when fullsync completes\n\nWe need to be careful differentiating between a resync of a complete array,\nin which we can clear the bitmap, and a resync of a degraded array, in\nwhich we cannot.\n\nThis patch cleans all that up.\n\nCc: Paul Clements \u003cpaul.clements@steeleye.com\u003e\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "39730960d94306d7be414e8d54f4e5c071af1278", "tree": "e12516ecea53d782f845717f53ffa304be69aa37", "parents": [ "7bfa19f2748000d646dbdf8f48258cfe1d257b52" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:28 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:47 2005 -0700" }, "message": "[PATCH] Two small fixes for md verion-1 superblocks.\n\n1/ Must typecast int to (sector_t) before inverting or we\n might not invert enough bits.\n\n2/ When \"bitmap_offset\" was added to mdp_superblock_1, we didn\u0027t increase\n the count of words-used (96 to 100).\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "7bfa19f2748000d646dbdf8f48258cfe1d257b52", "tree": "2f7e6b0a0cba4ac01d7809224023a7dc73b94840", "parents": [ "a654b9d8f851f4ca02649d5825cbe6c608adb10c" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:28 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:47 2005 -0700" }, "message": "[PATCH] md: allow md to update multiple superblocks in parallel.\n\ncurrently, md updates all superblocks (one on each device) in series. It\nwaits for one write to complete before starting the next. This isn\u0027t a big\nproblem as superblock updates don\u0027t happen that often.\n\nHowever it is neater to do it in parallel, and if the drives in the array have\ngone to \"sleep\" after a period of idleness, then waking them is parallel is\nfaster (and someone else should be worrying about power drain).\n\nFuther, we will need parallel superblock updates for a future patch which\nkeeps the intent-logging bitmap near the superblock.\n\nAlso remove the silly code that retired superblock updates 100 times. This\nsimply never made sense.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a654b9d8f851f4ca02649d5825cbe6c608adb10c", "tree": "747301647f619a9f1dd48f4d6be96b5e35d2484c", "parents": [ "3d310eb7b3df1252e8595d059d982b0a9825a137" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:27 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:47 2005 -0700" }, "message": "[PATCH] md: allow md intent bitmap to be stored near the superblock.\n\nThis provides an alternate to storing the bitmap in a separate file. The\nbitmap can be stored at a given offset from the superblock. Obviously the\ncreator of the array must make sure this doesn\u0027t intersect with data....\nAfter is good for version-0.90 superblocks.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "3d310eb7b3df1252e8595d059d982b0a9825a137", "tree": "9bca5e7eaa437d60010c1745b9aeb9592439d482", "parents": [ "41158c7eb22312cfaa256744e1553bb4042ff085" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:26 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:46 2005 -0700" }, "message": "[PATCH] md: fix deadlock due to md thread processing delayed requests.\n\nBefore completing a \u0027write\u0027 the md superblock might need to be updated.\nThis is best done by the md_thread.\n\nThe current code schedules this up and queues the write request for later\nhandling by the md_thread.\n\nHowever some personalities (Raid5/raid6) will deadlock if the md_thread\ntries to submit requests to its own array.\n\nSo this patch changes things so the processes submitting the request waits\nfor the superblock to be written and then submits the request itself.\n\nThis fixes a recently-created deadlock in raid5/raid6\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "41158c7eb22312cfaa256744e1553bb4042ff085", "tree": "21c28e0630d66fc32d758993299a78088a846562", "parents": [ "289e99e8ed8f36e386bf7de49947311c17ae1482" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:25 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:46 2005 -0700" }, "message": "[PATCH] md: optimise reconstruction when re-adding a recently failed drive.\n\nWhen an array is degraded, bit in the intent-bitmap are never cleared. So if\na recently failed drive is re-added, we only need to reconstruct the block\nthat are still reflected in the bitmap.\n\nThis patch adds support for this re-adding.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "191ea9b2c7cc3ebbe0678834ab710d7d95ad3f9a", "tree": "25ccd0d191742f4e25f37784370520d254aacc12", "parents": [ "aa3163f81654fa057039258e32a6811147bf0c14" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:23 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:46 2005 -0700" }, "message": "[PATCH] md: raid1 support for bitmap intent logging\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "77ad4bc706fe6c52ab953f31c287a6af712d080c", "tree": "6823261d0e111a93c5190ebb1f2ecd8c4905a559", "parents": [ "bfb39fba4e8cdda091f9ebee29fbb8331c4bb605" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:21 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:45 2005 -0700" }, "message": "[PATCH] md: enable the bitmap write-back daemon and wait for it.\n\nCurrently we don\u0027t wait for updates to the bitmap to be flushed to disk\nproperly. The infrastructure all there, but it isn\u0027t being used....\n\nA separate kernel thread (bitmap_writeback_daemon) is needed to wait for each\npage as we cannot get callbacks when a page write completes.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "32a7627cf3a35396a8e834faf34e38ae9f3b1309", "tree": "3fe7764f5d8e39d835a397e1099358d924b02981", "parents": [ "57afd89f98a990747445f01c458ecae64263b2f8" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:14 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:43 2005 -0700" }, "message": "[PATCH] md: optimised resync using Bitmap based intent logging\n\nWith this patch, the intent to write to some block in the array can be logged\nto a bitmap file. Each bit represents some number of sectors and is set\nbefore any update happens, and only cleared when all writes relating to all\nsectors are complete.\n\nAfter an unclean shutdown, information in this bitmap can be used to optimise\nresync - only sectors which could be out-of-sync need to be updated.\n\nAlso if a drive is removed and then added back into an array, the recovery can\nmake use of the bitmap to optimise reconstruction. This is not implemented in\nthis patch.\n\nCurrently the bitmap is stored in a file which must (obviously) be stored on a\nseparate device.\n\nThe patch only provided infrastructure. It does not update any personalities\nto bitmap intent logging.\n\nMd arrays can still be used with no bitmap file. This patch has minimal\nimpact on such arrays.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "57afd89f98a990747445f01c458ecae64263b2f8", "tree": "cab9f5941f32299bc97936e111f6552ebcee9cf6", "parents": [ "06d91a5fe0b50c9060e70bdf7786f8a3c66249db" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:13 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:43 2005 -0700" }, "message": "[PATCH] md: improve the interface to sync_request\n\n1/ change the return value (which is number-of-sectors synced)\n from \u0027int\u0027 to \u0027sector_t\u0027.\n The number of sectors is usually easily small enough to fit\n in an int, but if resync needs to abort, it may want to return\n the total number of remaining sectors, which could be large.\n Also errors cannot be returned as negative numbers now, so use\n 0 instead\n2/ Add a \u0027skipped\u0027 return parameter to allow the array to report\n that it skipped the sectors. This allows md to take this into account\n in the speed calculations.\n Currently there is no important skipping, but the bitmap-based-resync\n that is coming will use this.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "06d91a5fe0b50c9060e70bdf7786f8a3c66249db", "tree": "95a8b9228534cebb12eb31c1cc9cc0c45f685410", "parents": [ "fca4d848f0e6fafdc2b25f8a0cf1e76935f13ac2" ], "author": { "name": "NeilBrown", "email": "neilb@cse.unsw.edu.au", "time": "Tue Jun 21 17:17:12 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 19:07:43 2005 -0700" }, "message": "[PATCH] md: improve locking on \u0027safemode\u0027 and move superblock writes\n\nWhen md marks the superblock dirty before a write, it calls\ngeneric_make_request (to write the superblock) from within\ngeneric_make_request (to write the first dirty block), which could cause\nproblems later.\n\nWith this patch, the superblock write is always done by the helper thread, and\nwrite request are delayed until that write completes.\n\nAlso, the locking around marking the array dirty and writing the superblock is\nimproved to avoid possible races.\n\nSigned-off-by: Neil Brown \u003cneilb@cse.unsw.edu.au\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" } ] }