Let tmpfs into the NOSEC optimization (avoiding file_remove_suid() overhead on most common writes): set MS_NOSEC on its superblocks. Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> --- mm/shmem.c | 1 + 1 file changed, 1 insertion(+) --- 3045N.orig/mm/shmem.c 2012-05-05 10:45:17.888060878 -0700 +++ 3045N/mm/shmem.c 2012-05-05 10:46:05.732062006 -0700 @@ -2361,6 +2361,7 @@ int shmem_fill_super(struct super_block } } sb->s_export_op = &shmem_export_ops; + sb->s_flags |= MS_NOSEC; #else sb->s_flags |= MS_NOUSER; #endif -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
