)]}' { "log": [ { "commit": "38d67580f65e46ec13c65c8ebb0666134f167658", "tree": "f78da509e7265f57aa3fc2fded4da299bbe4c61c", "parents": [ "4d7981bfc21f7b6ef48f9a819d2c9969ad6eea71" ], "author": { "name": "Mikulas Patocka", "email": "mpatocka@redhat.com", "time": "Fri Dec 21 20:23:30 2012 +0000" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@linuxfoundation.org", "time": "Thu Jan 17 08:50:51 2013 -0800" }, "message": "dm persistent data: rename node to btree_node\n\ncommit 550929faf89e2e2cdb3e9945ea87d383989274cf upstream.\n\nThis patch fixes a compilation failure on sparc32 by renaming struct node.\n\nstruct node is already defined in include/linux/node.h. On sparc32, it\nhappens to be included through other dependencies and persistent-data\ndoesn\u0027t compile because of conflicting declarations.\n\nSigned-off-by: Mikulas Patocka \u003cmpatocka@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n" }, { "commit": "6d442d8f7e1a6920aad3d3f3ea544f6f8e6898b8", "tree": "bd5a572130cb49bba9a456ccb7340e4b1534e5ee", "parents": [ "7723bfa90d8a1f75f41ade1a13b9b32c9255b15c" ], "author": { "name": "Mike Snitzer", "email": "snitzer@redhat.com", "time": "Tue Jul 03 12:55:37 2012 +0100" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@linuxfoundation.org", "time": "Mon Jul 16 09:04:26 2012 -0700" }, "message": "dm persistent data: fix allocation failure in space map checker init\n\ncommit b0239faaf87c38bb419c9264bf20817438ddc3a9 upstream.\n\nIf CONFIG_DM_DEBUG_SPACE_MAPS is enabled and memory is fragmented and a\nsufficiently-large metadata device is used in a thin pool then the space\nmap checker will fail to allocate the memory it requires.\n\nSwitch from kmalloc to vmalloc to allow larger virtually contiguous\nallocations for the space map checker\u0027s internal count arrays.\n\nReported-by: Vivek Goyal \u003cvgoyal@redhat.com\u003e\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n" }, { "commit": "7723bfa90d8a1f75f41ade1a13b9b32c9255b15c", "tree": "4e671f0460e5909c24e1c0e6c9a43ac079c086b1", "parents": [ "672c65731d62930439b91ff8a160830085d42a51" ], "author": { "name": "Mike Snitzer", "email": "snitzer@redhat.com", "time": "Tue Jul 03 12:55:35 2012 +0100" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@linuxfoundation.org", "time": "Mon Jul 16 09:04:26 2012 -0700" }, "message": "dm persistent data: handle space map checker creation failure\n\ncommit 62662303e7f590fdfbb0070ab820a0ad4267c119 upstream.\n\nIf CONFIG_DM_DEBUG_SPACE_MAPS is enabled and dm_sm_checker_create()\nfails, dm_tm_create_internal() would still return success even though it\ncleaned up all resources it was supposed to have created. This will\nlead to a kernel crash:\n\ngeneral protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC\n...\nRIP: 0010:[\u003cffffffff81593659\u003e] [\u003cffffffff81593659\u003e] dm_bufio_get_block_size+0x9/0x20\nCall Trace:\n [\u003cffffffff81599bae\u003e] dm_bm_block_size+0xe/0x10\n [\u003cffffffff8159b8b8\u003e] sm_ll_init+0x78/0xd0\n [\u003cffffffff8159c1a6\u003e] sm_ll_new_disk+0x16/0xa0\n [\u003cffffffff8159c98e\u003e] dm_sm_disk_create+0xfe/0x160\n [\u003cffffffff815abf6e\u003e] dm_pool_metadata_open+0x16e/0x6a0\n [\u003cffffffff815aa010\u003e] pool_ctr+0x3f0/0x900\n [\u003cffffffff8158d565\u003e] dm_table_add_target+0x195/0x450\n [\u003cffffffff815904c4\u003e] table_load+0xe4/0x330\n [\u003cffffffff815917ea\u003e] ctl_ioctl+0x15a/0x2c0\n [\u003cffffffff81591963\u003e] dm_ctl_ioctl+0x13/0x20\n [\u003cffffffff8116a4f8\u003e] do_vfs_ioctl+0x98/0x560\n [\u003cffffffff8116aa51\u003e] sys_ioctl+0x91/0xa0\n [\u003cffffffff81869f52\u003e] system_call_fastpath+0x16/0x1b\n\nFix the space map checker code to return an appropriate ERR_PTR and have\ndm_sm_disk_create() and dm_tm_create_internal() check for it with\nIS_ERR.\n\nReported-by: Vivek Goyal \u003cvgoyal@redhat.com\u003e\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n" }, { "commit": "672c65731d62930439b91ff8a160830085d42a51", "tree": "ec07304750f68c74ffcdafbe9e82cfec24e657d1", "parents": [ "a712c8097b28c4c4f705db4102c0eed117806162" ], "author": { "name": "Mike Snitzer", "email": "snitzer@redhat.com", "time": "Tue Jul 03 12:55:33 2012 +0100" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@linuxfoundation.org", "time": "Mon Jul 16 09:04:26 2012 -0700" }, "message": "dm persistent data: fix shadow_info_leak on dm_tm_destroy\n\ncommit 25d7cd6faa7ae6ed2565617c3ee2500ccb8a9f7f upstream.\n\nCleanup the shadow table before destroying the transaction manager.\n\nReference: leak was identified with kmemleak when running\ntest_discard_random_sectors in the thinp-test-suite.\n\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n\n" }, { "commit": "71fd5ae25d88841c08d5bbea90c0f0a12ca05509", "tree": "763ec9657bd25e4d42f1f6774faa65166364eede", "parents": [ "905e51b39a5558706a6ed883fe104de3d417050b" ], "author": { "name": "Joe Thornber", "email": "ejt@redhat.com", "time": "Wed Mar 28 18:41:27 2012 +0100" }, "committer": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Wed Mar 28 18:41:27 2012 +0100" }, "message": "dm persistent data: remove space map ref_count entries if redundant\n\nSave space by removing entries from the space map ref_count tree if\nthey\u0027re no longer needed.\n\nRef counts are stored in two places: a bitmap if the ref_count is\nbelow 3, or a btree of uint32_t if 3 or above.\n\nWhen a ref_count that was above 3 drops below we can remove it from\nthe tree and save some metadata space. This removal was commented out\nbefore because I was unsure why this was causing under-populated btree\nnodes. Earlier patches have fixed this issue.\n\nSigned-off-by: Joe Thornber \u003cejt@redhat.com\u003e\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\n" }, { "commit": "a3aefb395e4f321c8b1314c88f1123624adcf743", "tree": "cedb3dbc643009cdba3c927b499e32e3247f7e5e", "parents": [ "466891f9959b500e037836737c064a72f2bbe8cf" ], "author": { "name": "Joe Thornber", "email": "ejt@redhat.com", "time": "Wed Mar 28 18:41:25 2012 +0100" }, "committer": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Wed Mar 28 18:41:25 2012 +0100" }, "message": "dm persistent data: remove redundant value_size arg from value_ptr\n\nNow that the value_size is held within every node of the btrees we can\nremove this argument from value_ptr().\n\nFor the last few months a BUG_ON has been checking this argument is\nthe same as that held in the node. No issues were reported. So this\nis a safe change.\n\nSigned-off-by: Joe Thornber \u003cejt@redhat.com\u003e\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\n" }, { "commit": "b0988900bae9ecf968a8a8d086a9eec671a9517a", "tree": "9dd34ec6f4563b78ac454f3691757dece46c1926", "parents": [ "6f94a4c45a6f744383f9f695dde019998db3df55" ], "author": { "name": "Joe Thornber", "email": "ejt@redhat.com", "time": "Wed Mar 28 18:41:23 2012 +0100" }, "committer": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Wed Mar 28 18:41:23 2012 +0100" }, "message": "dm persistent data: fix btree rebalancing after remove\n\nWhen we remove an entry from a node we sometimes rebalance with it\u0027s\ntwo neighbours. This wasn\u0027t being done correctly; in some cases\nentries have to move all the way from the right neighbour to the left\nneighbour, or vice versa. This patch pretty much re-writes the\nbalancing code to fix it.\n\nThis code is barely used currently; only when you delete a thin\ndevice, and then only if you have hundreds of them in the same pool.\nOnce we have discard support, which removes mappings, this will be used\nmuch more heavily.\n\nSigned-off-by: Joe Thornber \u003cejt@redhat.com\u003e\nCc: stable@kernel.org\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\n" }, { "commit": "a84450604d0fe08b6a2335efbedede18d3d7cc75", "tree": "013be8cd17b787a3051d1d614f794f30573467f8", "parents": [ "6f66263f8ebe1fb1f138de41ca9aa0a4860b30d0" ], "author": { "name": "Stephen Rothwell", "email": "sfr@canb.auug.org.au", "time": "Tue Nov 01 20:27:43 2011 +1100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Nov 07 10:29:10 2011 -0800" }, "message": "device-mapper: using EXPORT_SYBOL in dm-space-map-checker.c needs export.h\n\nReported-by: Witold Baryluk \u003cbaryluk@smp.if.uj.edu.pl\u003e\nSigned-off-by: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nSigned-off-by: Paul Gortmaker \u003cpaul.gortmaker@windriver.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "1944ce60fe1e92506d3347f4d8e10a82b17096e4", "tree": "1da72242c0a525e6a46c3ddc9693d88816362a03", "parents": [ "0c073e35550879fd133bc3fe509df5b88da51278" ], "author": { "name": "Paul Gortmaker", "email": "paul.gortmaker@windriver.com", "time": "Wed Sep 28 18:29:32 2011 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Nov 07 10:29:09 2011 -0800" }, "message": "drivers/md: change module.h -\u003e export.h in persistent-data/dm-*\n\nFor the files which are not themselves modular, we can change\nthem to include only the smaller export.h since all they are\ndoing is looking for EXPORT_SYMBOL.\n\nReported-by: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nSigned-off-by: Paul Gortmaker \u003cpaul.gortmaker@windriver.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3241b1d3e0aaafbfcd320f4d71ade629728cc4f4", "tree": "499461f724d4db3d7118641f4a20f5be23549edd", "parents": [ "95d402f057f2e208e4631893f6cd4a59c7c05e41" ], "author": { "name": "Joe Thornber", "email": "thornber@redhat.com", "time": "Mon Oct 31 20:19:11 2011 +0000" }, "committer": { "name": "Alasdair G Kergon", "email": "agk@redhat.com", "time": "Mon Oct 31 20:19:11 2011 +0000" }, "message": "dm: add persistent data library\n\nThe persistent-data library offers a re-usable framework for the storage\nand management of on-disk metadata in device-mapper targets.\n\nIt\u0027s used by the thin-provisioning target in the next patch and in an\nupcoming hierarchical storage target.\n\nFor further information, please read\nDocumentation/device-mapper/persistent-data.txt\n\nSigned-off-by: Joe Thornber \u003cthornber@redhat.com\u003e\nSigned-off-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Alasdair G Kergon \u003cagk@redhat.com\u003e\n" } ] }