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Btrfs: skip adding an acl attribute if we don't have to

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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 <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Liu Bo 2012-11-28 10:43:11 +00:00 committed by Chris Mason
parent 0ff6fabdb0
commit 755ac67f83
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/acl.c
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@ -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;