AuxXxilium/linux_dsm_epyc7002
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149e2d76b4
linux_dsm_epyc7002/fs/btrfs
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Miao Xie 149e2d76b4 btrfs: fix oops when doing space balance 
We need to make sure the data relocation inode doesn't go through
the delayed metadata updates, otherwise we get an oops during balance:

kernel BUG at fs/btrfs/relocation.c:4303!
[SNIP]
Call Trace:
 [<ffffffffa03143fd>] ? update_ref_for_cow+0x22d/0x330 [btrfs]
 [<ffffffffa0314951>] __btrfs_cow_block+0x451/0x5e0 [btrfs]
 [<ffffffffa031355d>] ? read_block_for_search+0x14d/0x4d0 [btrfs]
 [<ffffffffa0314beb>] btrfs_cow_block+0x10b/0x240 [btrfs]
 [<ffffffffa031acae>] btrfs_search_slot+0x49e/0x7a0 [btrfs]
 [<ffffffffa032d8af>] btrfs_lookup_inode+0x2f/0xa0 [btrfs]
 [<ffffffff8147bf0e>] ? mutex_lock+0x1e/0x50
 [<ffffffffa0380cf1>] btrfs_update_delayed_inode+0x71/0x160 [btrfs]
 [<ffffffffa037ff27>] ? __btrfs_release_delayed_node+0x67/0x190 [btrfs]
 [<ffffffffa0381cf8>] btrfs_run_delayed_items+0xe8/0x120 [btrfs]
 [<ffffffffa03365e0>] btrfs_commit_transaction+0x250/0x850 [btrfs]
 [<ffffffff810f91d9>] ? find_get_pages+0x39/0x130
 [<ffffffffa0336cd5>] ? join_transaction+0x25/0x250 [btrfs]
 [<ffffffff81081de0>] ? wake_up_bit+0x40/0x40
 [<ffffffffa03785fa>] prepare_to_relocate+0xda/0xf0 [btrfs]
 [<ffffffffa037f2bb>] relocate_block_group+0x4b/0x620 [btrfs]
 [<ffffffffa0334cf5>] ? btrfs_clean_old_snapshots+0x35/0x150 [btrfs]
 [<ffffffffa037fa43>] btrfs_relocate_block_group+0x1b3/0x2e0 [btrfs]
 [<ffffffffa0368ec0>] ? btrfs_tree_unlock+0x50/0x50 [btrfs]
 [<ffffffffa035e39b>] btrfs_relocate_chunk+0x8b/0x670 [btrfs]
 [<ffffffffa031303d>] ? btrfs_set_path_blocking+0x3d/0x50 [btrfs]
 [<ffffffffa03577d8>] ? read_extent_buffer+0xd8/0x1d0 [btrfs]
 [<ffffffffa031bea1>] ? btrfs_previous_item+0xb1/0x150 [btrfs]
 [<ffffffffa03577d8>] ? read_extent_buffer+0xd8/0x1d0 [btrfs]
 [<ffffffffa035f5aa>] btrfs_balance+0x21a/0x2b0 [btrfs]
 [<ffffffffa0368898>] btrfs_ioctl+0x798/0xd20 [btrfs]
 [<ffffffff8111e358>] ? handle_mm_fault+0x148/0x270
 [<ffffffff814809e8>] ? do_page_fault+0x1d8/0x4b0
 [<ffffffff81160d6a>] do_vfs_ioctl+0x9a/0x540
 [<ffffffff811612b1>] sys_ioctl+0xa1/0xb0
 [<ffffffff81484ec2>] system_call_fastpath+0x16/0x1b
[SNIP]
RIP  [<ffffffffa037c1cc>] btrfs_reloc_cow_block+0x22c/0x270 [btrfs]

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-07-06 18:51:53 -04:00
..
acl.c Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers 2011-05-22 12:33:42 -04:00
async-thread.c Btrfs: don't walk around with task->state != TASK_RUNNING 2010-05-25 10:34:58 -04:00
async-thread.h Btrfs: fix deadlock on async thread startup 2009-10-05 09:44:45 -04:00
btrfs_inode.h Merge branch 'for-chris' of 2011-05-28 07:00:39 -04:00
compat.h Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code 2009-01-06 09:38:55 -05:00
compression.c Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers 2011-05-22 12:33:42 -04:00
compression.h btrfs: rename variables clashing with global function names 2011-05-02 13:57:19 +02:00
ctree.c Btrfs: don't map extent buffer if path->skip_locking is set 2011-06-10 12:14:12 +02:00
ctree.h btrfs: add missing options displayed in mount output 2011-07-06 18:46:43 -04:00
delayed-inode.c btrfs: fix inconsonant inode information 2011-06-27 11:34:27 -04:00
delayed-inode.h btrfs: fix inconsonant inode information 2011-06-27 11:34:27 -04:00
delayed-ref.c btrfs: remove old unused commented out code 2011-05-06 12:34:10 +02:00
delayed-ref.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
dir-item.c Merge branch 'cleanups_and_fixes' into inode_numbers 2011-05-23 14:37:47 -04:00
disk-io.c btrfs: fix uninitialized return value 2011-06-17 14:54:18 -04:00
disk-io.h Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into inode_numbers 2011-05-22 12:33:42 -04:00
export.c Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into inode_numbers 2011-05-21 09:27:38 -04:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent_io.c Merge branch 'for-chris' of 2011-05-28 07:00:39 -04:00
extent_io.h btrfs: remove 64bit alignment padding to allow extent_buffer to fit into one fewer cacheline 2011-06-10 18:57:10 -04:00
extent_map.c btrfs: drop gfp parameter from alloc_extent_map 2011-05-02 13:57:21 +02:00
extent_map.h btrfs: drop gfp parameter from alloc_extent_map 2011-05-02 13:57:21 +02:00
extent-tree.c Btrfs: fix type mismatch in find_free_extent() 2011-06-25 09:31:06 -04:00
file-item.c Merge branch 'cleanups_and_fixes' into inode_numbers 2011-05-23 14:37:47 -04:00
file.c btrfs: add helper for fs_info->closing 2011-06-04 08:11:22 -04:00
free-space-cache.c Btrfs: make sure to update total_bitmaps when freeing cache V3 2011-06-25 09:31:06 -04:00
free-space-cache.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
hash.h Btrfs: remove crc32c.h and use libcrc32c directly. 2009-06-10 11:29:53 -04:00
inode-item.c Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item 2011-05-23 13:24:39 -04:00
inode-map.c btrfs: add helper for fs_info->closing 2011-06-04 08:11:22 -04:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c btrfs: fix oops when doing space balance 2011-07-06 18:51:53 -04:00
ioctl.c Btrfs: protect the pending_snapshots list with trans_lock 2011-06-15 13:24:46 -04:00
ioctl.h Btrfs: add mount -o auto_defrag 2011-05-26 17:52:15 -04:00
Kconfig btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
locking.c btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
locking.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
lzo.c Btrfs: Avoid accessing unmapped kernel address 2011-02-16 15:37:58 -05:00
Makefile Merge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs-unstable-arne into inode_numbers 2011-05-23 06:30:52 -04:00
ordered-data.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
ordered-data.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c btrfs: fix missing break in switch phrase 2011-01-28 16:40:37 -05:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
ref-cache.c btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
ref-cache.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
relocation.c Btrfs: fix relocation races 2011-06-17 13:36:58 -04:00
root-tree.c Merge branch 'cleanups_and_fixes' into inode_numbers 2011-05-23 14:37:47 -04:00
scrub.c btrfs: remove unneeded includes from scrub.c 2011-06-10 14:59:52 +02:00
struct-funcs.c Btrfs: Fix checkpatch.pl warnings 2009-01-05 21:25:51 -05:00
super.c btrfs: add missing options displayed in mount output 2011-07-06 18:46:43 -04:00
sysfs.c btrfs: Remove unused sysfs code 2011-06-17 14:54:18 -04:00
transaction.c Btrfs: avoid delayed metadata items during commits 2011-06-17 16:38:47 -04:00
transaction.h Merge branch 'for-chris' of 2011-05-28 07:00:39 -04:00
tree-defrag.c btrfs: drop unused parameter from btrfs_release_path 2011-05-02 13:57:22 +02:00
tree-log.c btrfs: fix dereference of ERR_PTR value 2011-06-17 14:54:17 -04:00
tree-log.h btrfs: remove unused function prototypes 2011-05-04 14:01:26 +02:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
volumes.c Btrfs: don't panic if we get an error while balancing V2 2011-07-06 18:46:43 -04:00
volumes.h Merge branch 'cleanups_and_fixes' into inode_numbers 2011-05-23 14:37:47 -04:00
xattr.c Merge branch 'for-chris' of 2011-05-28 07:00:39 -04:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c zlib: slim down zlib_deflate() workspace when possible 2011-03-22 17:44:17 -07:00