Miao Xie 19fd294957 btrfs: fix wrong reservation when doing delayed inode operations ... We have migrated the space for the delayed inode items from trans_block_rsv to global_block_rsv, but we forgot to set trans->block_rsv to global_block_rsv when we doing delayed inode operations, and the following Oops happened: [ 9792.654889] ------------[ cut here ]------------ [ 9792.654898] WARNING: at fs/btrfs/extent-tree.c:5681 btrfs_alloc_free_block+0xca/0x27c [btrfs]() [ 9792.654899] Hardware name: To Be Filled By O.E.M. [ 9792.654900] Modules linked in: btrfs zlib_deflate libcrc32c ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables arc4 rt61pci rt2x00pci rt2x00lib snd_hda_codec_hdmi mac80211 snd_hda_codec_realtek cfg80211 snd_hda_intel edac_core snd_seq rfkill pcspkr serio_raw snd_hda_codec eeprom_93cx6 edac_mce_amd sp5100_tco i2c_piix4 k10temp snd_hwdep snd_seq_device snd_pcm floppy r8169 xhci_hcd mii snd_timer snd soundcore snd_page_alloc ipv6 firewire_ohci pata_acpi ata_generic firewire_core pata_via crc_itu_t radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] [ 9792.654919] Pid: 2762, comm: rm Tainted: G W 2.6.39+ #1 [ 9792.654920] Call Trace: [ 9792.654922] [<ffffffff81053c4a>] warn_slowpath_common+0x83/0x9b [ 9792.654925] [<ffffffff81053c7c>] warn_slowpath_null+0x1a/0x1c [ 9792.654933] [<ffffffffa038e747>] btrfs_alloc_free_block+0xca/0x27c [btrfs] [ 9792.654945] [<ffffffffa03b8562>] ? map_extent_buffer+0x6e/0xa8 [btrfs] [ 9792.654953] [<ffffffffa038189b>] __btrfs_cow_block+0xfc/0x30c [btrfs] [ 9792.654963] [<ffffffffa0396aa6>] ? btrfs_buffer_uptodate+0x47/0x58 [btrfs] [ 9792.654970] [<ffffffffa0382e48>] ? read_block_for_search+0x94/0x368 [btrfs] [ 9792.654978] [<ffffffffa0381ba9>] btrfs_cow_block+0xfe/0x146 [btrfs] [ 9792.654986] [<ffffffffa03848b0>] btrfs_search_slot+0x14d/0x4b6 [btrfs] [ 9792.654997] [<ffffffffa03b8562>] ? map_extent_buffer+0x6e/0xa8 [btrfs] [ 9792.655022] [<ffffffffa03938e8>] btrfs_lookup_inode+0x2f/0x8f [btrfs] [ 9792.655025] [<ffffffff8147afac>] ? _cond_resched+0xe/0x22 [ 9792.655027] [<ffffffff8147b892>] ? mutex_lock+0x29/0x50 [ 9792.655039] [<ffffffffa03d41b1>] btrfs_update_delayed_inode+0x72/0x137 [btrfs] [ 9792.655051] [<ffffffffa03d4ea2>] btrfs_run_delayed_items+0x90/0xdb [btrfs] [ 9792.655062] [<ffffffffa039a69b>] btrfs_commit_transaction+0x228/0x654 [btrfs] [ 9792.655064] [<ffffffff8106e8da>] ? remove_wait_queue+0x3a/0x3a [ 9792.655075] [<ffffffffa03a2fa5>] btrfs_evict_inode+0x14d/0x202 [btrfs] [ 9792.655077] [<ffffffff81132bd6>] evict+0x71/0x111 [ 9792.655079] [<ffffffff81132de0>] iput+0x12a/0x132 [ 9792.655081] [<ffffffff8112aa3a>] do_unlinkat+0x106/0x155 [ 9792.655083] [<ffffffff81127b83>] ? path_put+0x1f/0x23 [ 9792.655085] [<ffffffff8109c53c>] ? audit_syscall_entry+0x145/0x171 [ 9792.655087] [<ffffffff81128410>] ? putname+0x34/0x36 [ 9792.655090] [<ffffffff8112b441>] sys_unlinkat+0x29/0x2b [ 9792.655092] [<ffffffff81482c42>] system_call_fastpath+0x16/0x1b [ 9792.655093] ---[ end trace 02b696eb02b3f768 ]--- This patch fix it by setting the reservation of the transaction handle to the correct one. Reported-by: Josef Bacik <josef@redhat.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>		2011-06-17 14:54:18 -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
async-thread.h
btrfs_inode.h	Merge branch 'for-chris' of	2011-05-28 07:00:39 -04:00
compat.h
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: Remove unused sysfs code	2011-06-17 14:54:18 -04:00
delayed-inode.c	btrfs: fix wrong reservation when doing delayed inode operations	2011-06-17 14:54:18 -04:00
delayed-inode.h	btrfs: fix wrong reservation when doing delayed inode operations	2011-06-17 14:54:18 -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: Remove unused sysfs code	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
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: drop the delalloc_bytes check in shrink_delalloc	2011-06-13 11:30:47 -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 recheck for bitmaps in clusters	2011-06-10 16:36:57 -04:00
free-space-cache.h	btrfs: remove all unused functions	2011-05-06 12:34:03 +02:00
hash.h
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 path leakage on subvol deletion	2011-06-15 13:24:45 -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
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
super.c	Btrfs: add mount -o inode_cache	2011-06-04 08:03:47 -04:00
sysfs.c	btrfs: Remove unused sysfs code	2011-06-17 14:54:18 -04:00
transaction.c	Merge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into for-linus	2011-06-17 14:16:13 -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
volumes.c	Btrfs - use %pU to print fsid	2011-06-10 19:02:04 -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