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fix unbalanced wb->list_lock in 3.5-rc1 

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Merge tag 'writeback-lock-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux

Pull writeback locking fix from Wu Fengguang:
 "fix unbalanced wb->list_lock in 3.5-rc1"

* tag 'writeback-lock-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: Fix lock imbalance in writeback_sb_inodes()
This commit is contained in:
Linus Torvalds 2012-06-12 18:28:58 +03:00
parent 7452ca511c ead188f9f9
commit 266ae4e615
1 changed files with 1 additions and 0 deletions
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1
fs/fs-writeback.c
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@ -664,6 +664,7 @@ static long writeback_sb_inodes(struct super_block *sb,
/* Wait for I_SYNC. This function drops i_lock... */
inode_sleep_on_writeback(inode);
/* Inode may be gone, start again */
spin_lock(&wb->list_lock);
continue;
}
inode->i_state |= I_SYNC;