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authorNathan Scott <nathans@sgi.com>2005-11-02 10:35:46 +1100
committerNathan Scott <nathans@sgi.com>2005-11-02 10:35:46 +1100
commitaf4e34a5274e92c576fc0c3a4b27ae7d4a06096a (patch)
tree9915e17f6de8196b681c8bccaa94297306501d99 /fs/xfs/xfs_clnt.h
parentd8cc890d4095f1eaa7f411a85051015b21262b12 (diff)
[XFS] Ondisk format extension for extended attributes (attr2). Basically,
the data/attr forks now grow up/down from either end of the literal area, rather than dividing the literal area into two chunks and growing both upward. Means we can now make much more efficient use of the attribute space, incl. fitting DMF attributes inline in 256 byte inodes, and large jumps in dbench3 performance numbers. It is self enabling, but can be forced on/off via the attr2/noattr2 mount options. SGI-PV: 941645 SGI-Modid: xfs-linux:xfs-kern:23836a Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_clnt.h')
-rw-r--r--fs/xfs/xfs_clnt.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_clnt.h b/fs/xfs/xfs_clnt.h
index 90d9d56c4dc..6483c73b11b 100644
--- a/fs/xfs/xfs_clnt.h
+++ b/fs/xfs/xfs_clnt.h
@@ -70,7 +70,7 @@ struct xfs_mount_args {
/*
* XFS mount option flags
*/
-#define XFSMNT_CHKLOG 0x00000001 /* check log */
+#define XFSMNT_COMPAT_ATTR 0x00000001 /* do not use ATTR2 format */
#define XFSMNT_WSYNC 0x00000002 /* safe mode nfs mount
* compatible */
#define XFSMNT_INO64 0x00000004 /* move inode numbers up