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authorChris Mason <chris.mason@oracle.com>2011-06-03 17:36:29 +0400
committerChris Mason <chris.mason@oracle.com>2011-06-04 16:03:47 +0400
commit4b9465cb9e3859186eefa1ca3b990a5849386320 (patch)
tree8fc06452fb75e52f6c1c2e2253c2ff6700e622fd /fs/btrfs/ctree.h
parente7786c3ae517b2c433edc91714e86be770e9f1ce (diff)
downloadlinux-4b9465cb9e3859186eefa1ca3b990a5849386320.tar.xz
Btrfs: add mount -o inode_cache
This makes the inode map cache default to off until we fix the overflow problem when the free space crcs don't fit inside a single page. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 8f98c2005715..4958ef5417d6 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1340,6 +1340,7 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED (1 << 14)
#define BTRFS_MOUNT_ENOSPC_DEBUG (1 << 15)
#define BTRFS_MOUNT_AUTO_DEFRAG (1 << 16)
+#define BTRFS_MOUNT_INODE_MAP_CACHE (1 << 17)
#define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
#define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)