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(parent: ac6889c) | patch
Btrfs: only write one super copy during fsync
authorChris Mason <chris.mason@oracle.com>
Tue, 13 Oct 2009 16:55:09 +0000 (12:55 -0400)
committerChris Mason <chris.mason@oracle.com>
Tue, 13 Oct 2009 17:35:11 +0000 (13:35 -0400)
commit4722607db6a78bd7748c51fa4c8d7371da797254
tree83c483a3f55d3f024863e1e33c3ac123e688c868tree | snapshot
parentac6889cbb254be1ffea376bea4a96ce9be0e0ed0commit | diff
Btrfs: only write one super copy during fsync

During a tree-log commit for fsync, we've been writing at least
two copies of the super block and forcing them to disk.

The other filesystems write only one, and this change brings us on
par with them.  A full transaction commit will write all the super
copies, so we still have redundant info written on a regular
basis.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/tree-log.c diff | blob | history
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