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Merge branch 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback 

* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback:
  don't busy retry the inode on failed grab_super_passive()
This commit is contained in:
Linus Torvalds 2011-07-31 06:25:09 -10:00
parent f0d15c96d4 0e995816f4
commit fa9d594c46
1 changed files with 6 additions and 1 deletions
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7
fs/fs-writeback.c
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@ -618,7 +618,12 @@ static long __writeback_inodes_wb(struct bdi_writeback *wb,
struct super_block *sb = inode->i_sb;
if (!grab_super_passive(sb)) {
requeue_io(inode, wb);
/*
* grab_super_passive() may fail consistently due to
* s_umount being grabbed by someone else. Don't use
* requeue_io() to avoid busy retrying the inode/sb.
*/
redirty_tail(inode, wb);
continue;
}
wrote += writeback_sb_inodes(sb, wb, work);