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authorLiu Bo <[email protected]>2012-11-28 10:43:11 +0000
committerChris Mason <[email protected]>2012-12-16 20:46:15 -0500
commit755ac67f83e515af55adbfe55134eb7d90839cdb (patch)
tree56edd78dca4d3cbed1e7debc00618c1ded531c0e
parent0ff6fabdb0a862b22df4dd75873578392478e64d (diff)
Btrfs: skip adding an acl attribute if we don't have to
If the acl can be exactly represented in the traditional file mode permission bits, we don't set another acl attribute. Signed-off-by: Liu Bo <[email protected]> Signed-off-by: Chris Mason <[email protected]>
-rw-r--r--fs/btrfs/acl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 0c16e3dbfd56..e15d2b0d8d3b 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -121,6 +121,8 @@ static int btrfs_set_acl(struct btrfs_trans_handle *trans,
ret = posix_acl_equiv_mode(acl, &inode->i_mode);
if (ret < 0)
return ret;
+ if (ret == 0)
+ acl = NULL;
}
ret = 0;
break;