Unionfs: stop as soon as first writeable branch is found

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/unionfs/inode.c b/fs/unionfs/inode.c
index 04429a1281ce8f69142a095a0439f27ce5ee85e0..2f48b6080dc6187ea807922dcee1111b19b88113 100644 (file)
--- a/fs/unionfs/inode.c
+++ b/fs/unionfs/inode.c
@@ -128,6 +128,8 @@ begin:
                err = check_for_whiteout(dentry, lower_dentry);
                if (err)
                        continue;
+               /* if get here, we can write to the branch */
+               break;
        }
        /*
         * If istart wasn't already branch 0, and we got any error, then try