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authorSage Weil <sage@newdream.net>2009-04-02 16:49:40 -0400
committerChris Mason <chris.mason@oracle.com>2009-04-02 16:49:40 -0400
commit3a5e14048a0a81276d284cbda441507a17e26147 (patch)
tree42464c2455216b008bf27c13496d001bb85d3564 /fs/btrfs/tree-log.c
parenta9572a15a854bd40453a6b7b4dd9d29132f64c64 (diff)
downloadop-kernel-dev-3a5e14048a0a81276d284cbda441507a17e26147.zip
op-kernel-dev-3a5e14048a0a81276d284cbda441507a17e26147.tar.gz
Btrfs: notreelog mount option
Add a 'notreelog' mount option to disable the tree log (used by fsync, O_SYNC writes). This is much slower, but the tree logging produces inconsistent views into the FS for ceph. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/tree-log.c')
-rw-r--r--fs/btrfs/tree-log.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2871609..c047eea 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2898,6 +2898,11 @@ int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
sb = inode->i_sb;
+ if (btrfs_test_opt(root, NOTREELOG)) {
+ ret = 1;
+ goto end_no_trans;
+ }
+
if (root->fs_info->last_trans_log_full_commit >
root->fs_info->last_trans_committed) {
ret = 1;
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