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authorMatthew Garrett <mjg@redhat.com>2009-03-26 17:49:56 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 10:56:35 -0700
commitd0adde574b8487ef30f69e2d08bba769e4be513f (patch)
treefa8b98978bc9ebe607cbdf78c4ed13eeb545ba80 /include/linux/fs.h
parent11ff6f05f1e836a6a02369a4c4b64757e484adc1 (diff)
downloadblackbird-op-linux-d0adde574b8487ef30f69e2d08bba769e4be513f.tar.gz
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Add a strictatime mount option
Add support for explicitly requesting full atime updates. This makes it possible for kernels to default to relatime but still allow userspace to override it. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 92734c0012e6..5bc81c4a98c1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -141,6 +141,7 @@ struct inodes_stat_t {
#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */
#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
#define MS_I_VERSION (1<<23) /* Update inode I_version field */
+#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
#define MS_ACTIVE (1<<30)
#define MS_NOUSER (1<<31)
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