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authorBarry Naujok <bnaujok@sgi.com>2008-05-21 16:58:55 +1000
committerNiv Sardi <xaiki@debian.org>2008-07-28 16:58:42 +1000
commit189f4bf22bdc3c2402b038016d11fd3cb1c89f07 (patch)
tree98a168b063b87609fc28685ace7ce0fec589beff /fs/xfs/xfs_fsops.c
parent384f3ced07efdddf6838f6527366089d37843c94 (diff)
[XFS] XFS: ASCII case-insensitive support
Implement ASCII case-insensitive support. It's primary purpose is for supporting existing filesystems that already use this case-insensitive mode migrated from IRIX. But, if you only need ASCII-only case-insensitive support (ie. English only) and will never use another language, then this mode is perfectly adequate. ASCII-CI is implemented by generating hashes based on lower-case letters and doing lower-case compares. It implements a new xfs_nameops vector for doing the hashes and comparisons for all filename operations. To create a filesystem with this CI mode, use: # mkfs.xfs -n version=ci <device> SGI-PV: 981516 SGI-Modid: xfs-linux-melb:xfs-kern:31209a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 381ebda4f7b..84583cf73db 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -95,6 +95,8 @@ xfs_fs_geometry(
XFS_FSOP_GEOM_FLAGS_DIRV2 : 0) |
(xfs_sb_version_hassector(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_SECTOR : 0) |
+ (xfs_sb_version_hasasciici(&mp->m_sb) ?
+ XFS_FSOP_GEOM_FLAGS_DIRV2CI : 0) |
(xfs_sb_version_haslazysbcount(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_LAZYSB : 0) |
(xfs_sb_version_hasattr2(&mp->m_sb) ?
@@ -625,7 +627,7 @@ xfs_fs_goingdown(
xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);
thaw_bdev(sb->s_bdev, sb);
}
-
+
break;
}
case XFS_FSOP_GOING_FLAGS_LOGFLUSH: