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Chris Mason 49eb7e46d4 Btrfs: Dir fsync optimizations
Drop i_mutex during the commit

Don't bother doing the fsync at all unless the dir is marked as dirtied
and needing fsync in this transaction.  For directories, this means
that someone has unlinked a file from the dir without fsyncing the
file.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:04:07 -04:00
fs/btrfs Btrfs: Dir fsync optimizations 2008-09-25 11:04:07 -04:00