)]}' { "log": [ { "commit": "f91a2ad2ed97099fb565e3336f8df0df717f2ba9", "tree": "ab8ebeca29bbbbf1f66c47173faebbc383a4dbf7", "parents": [ "d6859bfca8cbfe4105704e410b0afa50beabbbb9" ], "author": { "name": "Badari Pulavarty", "email": "pbadari@us.ibm.com", "time": "Sun Mar 26 01:38:04 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:02 2006 -0800" }, "message": "[PATCH] ext3: multi-block get_block()\n\nMingming Cao recently added multi-block allocation support for ext3,\ncurrently used only by DIO. I added support to map multiple blocks for\nmpage_readpages(). This patch add support for ext3_get_block() to deal\nwith multi-block mapping. Basically it renames ext3_direct_io_get_blocks()\nas ext3_get_block().\n\nSigned-off-by: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nCc: Mingming Cao \u003ccmm@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d6859bfca8cbfe4105704e410b0afa50beabbbb9", "tree": "f26e02a70b3ab3c41ac06480c1662bc5fb27ce6f", "parents": [ "1d8fa7a2b9a39d18727acc5c468e870df606c852" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Sun Mar 26 01:38:03 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:02 2006 -0800" }, "message": "[PATCH] ext3: cleanups and WARN_ON()\n\n- Clean up a few little layout things and comments.\n\n- Add a WARN_ON to a case which I was wondering about.\n\n- Tune up some inlines.\n\nCc: Mingming Cao \u003ccmm@us.ibm.com\u003e\nCc: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1d8fa7a2b9a39d18727acc5c468e870df606c852", "tree": "41537fe9ea5478f3243e3301184dc13980f8201f", "parents": [ "fa30bd058b746c0e2318a77ff8b4977faa924c2c" ], "author": { "name": "Badari Pulavarty", "email": "pbadari@us.ibm.com", "time": "Sun Mar 26 01:38:02 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:01 2006 -0800" }, "message": "[PATCH] remove -\u003eget_blocks() support\n\nNow that get_block() can handle mapping multiple disk blocks, no need to have\n-\u003eget_blocks(). This patch removes fs specific -\u003eget_blocks() added for DIO\nand makes it users use get_block() instead.\n\nSigned-off-by: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "b47b24781c59565f45acd765dc995a752d561e96", "tree": "bd18b4f13fef4e162429b1e1ba14841d4a11af3b", "parents": [ "89747d369d34e333b9b60f10f333a0b727b4e4e2" ], "author": { "name": "Mingming Cao", "email": "cmm@us.ibm.com", "time": "Sun Mar 26 01:37:56 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:01 2006 -0800" }, "message": "[PATCH] ext3_get_blocks: multiple block allocation\n\nAdd support for multiple block allocation in ext3-get-blocks().\n\nLook up the disk block mapping and count the total number of blocks to\nallocate, then pass it to ext3_new_block(), where the real block allocation is\nperformed. Once multiple blocks are allocated, prepare the branch with those\njust allocated blocks info and finally splice the whole branch into the block\nmapping tree.\n\nSigned-off-by: Mingming Cao \u003ccmm@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "89747d369d34e333b9b60f10f333a0b727b4e4e2", "tree": "26b55849e666c7f6c7a7312b100756c3b591559f", "parents": [ "e2d53f9525790dfacbcf09f359536311d3913d98" ], "author": { "name": "Mingming Cao", "email": "cmm@us.ibm.com", "time": "Sun Mar 26 01:37:55 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:57:00 2006 -0800" }, "message": "[PATCH] ext3_get_blocks: Mapping multiple blocks at a once\n\nCurrently ext3_get_block() only maps or allocates one block at a time. This\nis quite inefficient for sequential IO workload.\n\nI have posted a early implements a simply multiple block map and allocation\nwith current ext3. The basic idea is allocating the 1st block in the existing\nway, and attempting to allocate the next adjacent blocks on a best effort\nbasis. More description about the implementation could be found here:\nhttp://marc.theaimsgroup.com/?l\u003dext2-devel\u0026m\u003d112162230003522\u0026w\u003d2\n\nThe following the latest version of the patch: break the original patch into 5\npatches, re-worked some logicals, and fixed some bugs. The break ups are:\n\n [patch 1] Adding map multiple blocks at a time in ext3_get_blocks()\n [patch 2] Extend ext3_get_blocks() to support multiple block allocation\n [patch 3] Implement multiple block allocation in ext3-try-to-allocate\n (called via ext3_new_block()).\n [patch 4] Proper accounting updates in ext3_new_blocks()\n [patch 5] Adjust reservation window size properly (by the given number\n of blocks to allocate) before block allocation to increase the\n possibility of allocating multiple blocks in a single call.\n\nTests done so far includes fsx,tiobench and dbench. The following numbers\ncollected from Direct IO tests (1G file creation/read) shows the system time\nhave been greatly reduced (more than 50% on my 8 cpu system) with the patches.\n\n 1G file DIO write:\n \t2.6.15\t\t2.6.15+patches\n real 0m31.275s\t0m31.161s\n user 0m0.000s\t0m0.000s\n sys 0m3.384s\t0m0.564s\n\n 1G file DIO read:\n \t2.6.15\t\t2.6.15+patches\n real 0m30.733s\t0m30.624s\n user 0m0.000s\t0m0.004s\n sys 0m0.748s\t0m0.380s\n\nSome previous test we did on buffered IO with using multiple blocks allocation\nand delayed allocation shows noticeable improvement on throughput and system\ntime.\n\nThis patch:\n\nAdd support of mapping multiple blocks in one call.\n\nThis is useful for DIO reads and re-writes (where blocks are already\nallocated), also is in line with Christoph\u0027s proposal of using getblocks() in\nmpage_readpage() or mpage_readpages().\n\nSigned-off-by: Mingming Cao \u003ccmm@us.ibm.com\u003e\nCc: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2ff28e22bdb8727fbc7d7889807bc5a73aae56c5", "tree": "f7418aa963d729bf9fe8bd44d6c9b6e424a6c6bf", "parents": [ "3978d7179d3849848df8a37dd0a5acc20bcb8750" ], "author": { "name": "NeilBrown", "email": "neilb@suse.de", "time": "Sun Mar 26 01:37:18 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Mar 26 08:56:55 2006 -0800" }, "message": "[PATCH] Make address_space_operations-\u003einvalidatepage return void\n\nThe return value of this function is never used, so let\u0027s be honest and\ndeclare it as void.\n\nSome places where invalidatepage returned 0, I have inserted comments\nsuggesting a BUG_ON.\n\n[akpm@osdl.org: JBD BUG fix]\n[akpm@osdl.org: rework for git-nfs]\n[akpm@osdl.org: don\u0027t go BUG in block_invalidate_page()]\nSigned-off-by: Neil Brown \u003cneilb@suse.de\u003e\nAcked-by: Dave Kleikamp \u003cshaggy@austin.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "97461518610fb1679f67333bb699bb81136e49fe", "tree": "483fcaf10744a96ad9fced97910fa75610c3fcdb", "parents": [ "7bf6d78dd93ccc52cd2cac5066c4b84834e4f1f2" ], "author": { "name": "Arjan van de Ven", "email": "arjan@infradead.org", "time": "Thu Mar 23 03:00:42 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Thu Mar 23 07:38:14 2006 -0800" }, "message": "[PATCH] convert ext3\u0027s truncate_sem to a mutex\n\next3\u0027s truncate_sem is always released in the same function it\u0027s taken\nand it otherwise is a mutex as well..\n\nSigned-off-by: Arjan van de Ven \u003carjan@infradead.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d8733c2956968a01394a4d2a9e97a8b431a78776", "tree": "9743c9020eb5193efa4a0f102b3a7eb1d999c4fd", "parents": [ "b8e31edc10d160a8bf2159541d9d12f2079a0887" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Thu Mar 23 03:00:11 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Thu Mar 23 07:38:09 2006 -0800" }, "message": "[PATCH] ext3_readdir: use generic readahead\n\nLinus points out that ext3_readdir\u0027s readahead only cuts in when\next3_readdir() is operating at the very start of the directory. So for large\ndirectories we end up performing no readahead at all and we suck.\n\nSo take it all out and use the core VM\u0027s page_cache_readahead(). This means\nthat ext3 directory reads will use all of readahead\u0027s dynamic sizing goop.\n\nNote that we\u0027re using the directory\u0027s filp-\u003ef_ra to hold the readahead state,\nbut readahead is actually being performed against the underlying blockdev\u0027s\naddress_space. Fortunately the readahead code is all set up to handle this.\n\nTested with printk. It works. I was struggling to find a real workload which\nactually cared.\n\n(The patch also exports page_cache_readahead() to GPL modules)\n\nCc: \"Stephen C. Tweedie\" \u003csct@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "cd6ef84e6ac9454080707f2f338360f5d7e556fc", "tree": "98770b47dd7ae2e1faad4796eb03b2d4760e1b03", "parents": [ "0adb25d2e71ab047423d6fc63d5d184590d0a66f" ], "author": { "name": "Badari Pulavarty", "email": "pbadari@us.ibm.com", "time": "Sat Mar 11 03:27:14 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Mar 11 09:19:34 2006 -0800" }, "message": "[PATCH] ext3: fix nobh mode for chattr +j inodes\n\nOne can do \"chattr +j\" on a file to change its journalling mode. Fix\nwriteback mode with \"nobh\" handling for it.\n\nEven though, we mount ext3 filesystem in writeback mode with \"nobh\" option,\nsome one can do \"chattr +j\" on a single file to force it to do journalled\nmode. In order to do journaling, ext3_block_truncate_page() need to\nfallback to default case of creating buffers and adding them to transaction\netc.\n\nSigned-off-by: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "e965f9630c651fa4249039fd4b80c9392d07a856", "tree": "1353dd536d0ee549c30e462086624c21788ee9d2", "parents": [ "7e2ab150d1b3b286a4c864c60a549b2601777b63" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Wed Feb 01 03:05:41 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Feb 01 08:53:17 2006 -0800" }, "message": "[PATCH] Direct Migration V9: Avoid writeback / page_migrate() method\n\nMigrate a page with buffers without requiring writeback\n\nThis introduces a new address space operation migratepage() that may be used\nby a filesystem to implement its own version of page migration.\n\nA version is provided that migrates buffers attached to pages. Some\nfilesystems (ext2, ext3, xfs) are modified to utilize this feature.\n\nThe swapper address space operation are modified so that a regular\nmigrate_page() will occur for anonymous pages without writeback (migrate_pages\nforces every anonymous page to have a swap entry).\n\nSigned-off-by: Mike Kravetz \u003ckravetz@us.ibm.com\u003e\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ab4eb43ce759559d7b15c5dde4a1562f202539f6", "tree": "c0aa2996c8c2c85652a440c3e64884d8d355a4d6", "parents": [ "b17b0421d70f5b85a791afe145a16d5ca5f849aa" ], "author": { "name": "Denis Lunev", "email": "den@sw.ru", "time": "Sun Nov 13 16:07:17 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Nov 13 18:14:15 2005 -0800" }, "message": "[PATCH] ext3: journal handling on error path in ext3_journalled_writepage()\n\nThis patch fixes lost referrence on ext3 current handle in\next3_journalled_writepage().\n\nSigned-Off-By: Denis Lunev \u003cden@sw.ru\u003e\nCc: Kirill Korotaev \u003cdev@sw.ru\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2973dfdb877c17b36c27ba66d71028ff1eb2f32e", "tree": "9734599068f3fcf7cd33f948235588f7a275d193", "parents": [ "7f04c26d715a2467a49a2384268de8f70f787b51" ], "author": { "name": "Glauber de Oliveira Costa", "email": "glommer@br.ibm.com", "time": "Sun Oct 30 15:03:05 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 30 17:37:26 2005 -0800" }, "message": "[PATCH] Test for sb_getblk return value\n\nThis patch adds tests for the return value of sb_getblk() in the ext2/3\nfilesystems. In fs/buffer.c it is stated that the getblk() function never\nfails. However, it does can return NULL in some situations due to I/O\nerrors, which may lead us to NULL pointer dereferences\n\nSigned-off-by: Glauber de Oliveira Costa \u003cglommer@br.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "5b11687924e40790deb0d5f959247ade82196665", "tree": "29aa104cc40bd2c85e7bba0f4b404b04cd6f207a", "parents": [ "2384f55f8aa520172c995965bd2f8a9740d53095" ], "author": { "name": "Glauber de Oliveira Costa", "email": "glommer@br.ibm.com", "time": "Sun Oct 30 15:02:48 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 30 17:37:23 2005 -0800" }, "message": "[PATCH] Locking problems while EXT3FS_DEBUG on\n\nI noticed some problems while running ext3 with the debug flag set on.\nMore precisely, I was unable to umount the filesystem. Some investigation\ntook me to the patch that follows.\n\nAt a first glance , the lock/unlock I\u0027ve taken out seems really not\nnecessary, as the main code (outside debug) does not lock the super. The\nonly additional danger operations that debug code introduces seems to be\nrelated to bitmap, but bitmap operations tends to be all atomic anyway.\n\nI also took the opportunity to fix 2 spelling errors.\n\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "27496a8c67bef4d789d8e3c8317ca35813a507ae", "tree": "fe99a34fe5a800e41af61853e7444ddddf45d014", "parents": [ "7d877f3bda870ab5f001bd92528654471d5966b3" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 21 03:20:48 2005 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Oct 28 08:16:47 2005 -0700" }, "message": "[PATCH] gfp_t: fs/*\n\n - -\u003ereleasepage() annotated (s/int/gfp_t), instances updated\n - missing gfp_t in fs/* added\n - fixed misannotation from the original sweep caught by bitwise checks:\n XFS used __nocast both for gfp_t and for flags used by XFS allocator.\n The latter left with unsigned int __nocast; we might want to add a\n different type for those but for now let\u0027s leave them alone. That,\n BTW, is a case when __nocast use had been actively confusing - it had\n been used in the same code for two different and similar types, with\n no way to catch misuses. Switch of gfp_t to bitwise had caught that\n immediately...\n\nOne tricky bit is left alone to be dealt with later - mapping-\u003eflags is\na mix of gfp_t and error indications. Left alone for now.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "fef266580e5cf897a1b63528fc6b1185e2d6bb87", "tree": "a432a35914b8a74f0c8c73ca57257c7e609365d3", "parents": [ "e85b565233236a2a833adea73fb2f0e0f8fa2a61" ], "author": { "name": "Mark Fasheh", "email": "mark.fasheh@oracle.com", "time": "Fri Sep 09 13:01:31 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Sep 09 13:57:27 2005 -0700" }, "message": "[PATCH] update filesystems for new delete_inode behavior\n\nUpdate the file systems in fs/ implementing a delete_inode() callback to\ncall truncate_inode_pages(). One implementation note: In developing this\npatch I put the calls to truncate_inode_pages() at the very top of those\nfilesystems delete_inode() callbacks in order to retain the previous\nbehavior. I\u0027m guessing that some of those could probably be optimized.\n\nSigned-off-by: Mark Fasheh \u003cmark.fasheh@oracle.com\u003e\nAcked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Hugh Dickins \u003chugh@veritas.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ff87b37da912d6aeab6c20c58f51b34d3e37f111", "tree": "22c2e6467bbd70ea12c9bdbc8180711791cde02f", "parents": [ "6c036527a630720063b67d9a65455e8caca2c8fa" ], "author": { "name": "Andreas Gruenbacher", "email": "agruen@suse.de", "time": "Thu Jul 07 17:57:00 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Thu Jul 07 18:23:46 2005 -0700" }, "message": "[PATCH] ext3 xattr: Don\u0027t write to the in-inode xattr space of reserved inodes\n\nWe are not using the in-inode space for xattrs in reserved inodes because\nmkfs.ext3 doesn\u0027t initialize it properly. For those inodes, we set\ni_extra_isize to 0. Make sure that we also don\u0027t overwrite the\ni_extra_isize field when writing out the inode in that case. This is for\ncleanliness only, and doesn\u0027t fix an actual bug.\n\nSigned-off-by: Andreas Gruenbacher \u003cagruen@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1f54587bea84a35125c95e19b98c2f464c50871b", "tree": "42f2467d6892be821271a2257e1259922bdafd45", "parents": [ "4e5117ba0af4582b6ec9164874f719d7f3f1eb2b" ], "author": { "name": "Jan Kara", "email": "jack@suse.cz", "time": "Thu Jun 23 22:01:04 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Fri Jun 24 00:05:20 2005 -0700" }, "message": "[PATCH] quota: ext3: Improve quota credit estimates\n\nUse improved credits estimates for quota operations. Also reserve a space\nfor a quota operation in a transaction only if filesystem was mounted with\nsome quota options.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d17d7fa44dbe1f12031773e27eda9e939024a037", "tree": "4b2a8ebb60907a5cde4dd02b737851525a24a588", "parents": [ "ecffdde68ebefa1aa24411a91b12ae649f71f71c" ], "author": { "name": "Andrew Morton", "email": "akpm@osdl.org", "time": "Thu May 05 16:16:02 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Thu May 05 16:36:44 2005 -0700" }, "message": "[PATCH] revert ext3-writepages-support-for-writeback-mode\n\nThis had a fatal lock ranking bug: we do journal_start outside\nmpage_writepages()\u0027s lock_page().\n\nRevert the whole thing, think again.\n\nCredit-to: Jan Kara \u003cjack@suse.cz\u003e\n\nFor identifying the bug.\n\nCc: Badari Pulavarty \u003cpbadari@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "fe55c452368af263a9beec38ed29f6be85280524", "tree": "4f56bd643c5a9ddbb478745e0bc0fbabc9b9fd8e", "parents": [ "faf8b24968ce6392ea68d9afc7de1ffbc38c1f6c" ], "author": { "name": "Mingming Cao", "email": "cmm@us.ibm.com", "time": "Sun May 01 08:59:20 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sun May 01 08:59:20 2005 -0700" }, "message": "[PATCH] ext3: remove unnecessary race then retry in ext3_get_block\n\nThe extra race-with-truncate-then-retry logic around\next3_get_block_handle(), which was inherited from ext2, becomes unecessary\nfor ext3, since we have already obtained the ei-\u003etruncate_sem in\next3_get_block_handle() before calling ext3_alloc_branch(). The\nei-\u003etruncate_sem is already there to block concurrent truncate and block\nallocation on the same inode. So the inode\u0027s indirect addressing tree\nwon\u0027t be changed after we grab that semaphore.\n\nWe could, after get the semaphore, re-verify the branch is up-to-date or\nnot. If it has been changed, then get the updated branch. If we still\nneed block allocation, we will have a safe version of the branch to work\nwith in the ext3_find_goal()/ext3_splice_branch().\n\nThe code becomes more readable after remove those retry logic. The patch\nalso clean up some gotos in ext3_get_block_handle() to make it more\nreadable.\n\nSigned-off-by: Mingming Cao \u003ccmm@us.ibm.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" } ] }