diff options
| author | Hugh Dickins <[email protected]> | 2012-05-29 15:06:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2012-05-29 16:22:22 -0700 |
| commit | 2f6e38f3cd17a7858112f538c1700c747170db1f (patch) | |
| tree | 894181551acd46caea34ff2b3fba13ffd049fcbd | |
| parent | bde05d1ccd512696b09db9dd2e5f33ad19152605 (diff) | |
tmpfs: enable NOSEC optimization
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 <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Cong Wang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/shmem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index db72d8e44ec6..fe5ae6962ab3 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2373,6 +2373,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) } } sb->s_export_op = &shmem_export_ops; + sb->s_flags |= MS_NOSEC; #else sb->s_flags |= MS_NOUSER; #endif |