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| author | Miao Xie <miaox@cn.fujitsu.com> | 2011-06-15 12:47:30 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-06-17 20:54:18 +0200 |
| commit | 19fd294957e426bfdd8e19085096467ec18df5c4 (patch) | |
| tree | 47c3ee705ac9d591d2f9497d3dfc3d1426a881a2 /fs/btrfs/delayed-inode.h | |
| parent | btrfs: Remove unused sysfs code (diff) | |
| download | linux-19fd294957e426bfdd8e19085096467ec18df5c4.tar.xz linux-19fd294957e426bfdd8e19085096467ec18df5c4.zip | |
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>
Diffstat (limited to 'fs/btrfs/delayed-inode.h')
| -rw-r--r-- | fs/btrfs/delayed-inode.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index eb7d240aa648..cb79b6771e82 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -75,7 +75,6 @@ struct btrfs_delayed_item { struct list_head tree_list; /* used for batch insert/delete items */ struct list_head readdir_list; /* used for readdir items */ u64 bytes_reserved; - struct btrfs_block_rsv *block_rsv; struct btrfs_delayed_node *delayed_node; atomic_t refs; int ins_or_del; |