diff options
| author | Matthew Garrett | 2009-03-27 01:47:22 +0100 |
|---|---|---|
| committer | Karel Zak | 2009-03-27 13:13:22 +0100 |
| commit | ed64b8d0fc945ce49041f313c453b6b21d68b832 (patch) | |
| tree | 7c219b18964fabe7b108746acca497a42fb16559 | |
| parent | blkid: fix exit codes in blkid(8) (diff) | |
| download | kernel-qcow2-util-linux-ed64b8d0fc945ce49041f313c453b6b21d68b832.tar.gz kernel-qcow2-util-linux-ed64b8d0fc945ce49041f313c453b6b21d68b832.tar.xz kernel-qcow2-util-linux-ed64b8d0fc945ce49041f313c453b6b21d68b832.zip | |
mount: Add strictatime support
2.6.30 adds (patch d0adde574b8487ef30f69e2d08bba769e4be513f) support for a
strictatime mount parameter, used to request strict atime update semantics. The
following patch adds support for it to mount.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
| -rw-r--r-- | mount/mount.8 | 7 | ||||
| -rw-r--r-- | mount/mount.c | 4 | ||||
| -rw-r--r-- | mount/mount_constants.h | 3 |
3 files changed, 14 insertions, 0 deletions
diff --git a/mount/mount.8 b/mount/mount.8 index e3eb81041..8da676898 100644 --- a/mount/mount.8 +++ b/mount/mount.8 @@ -807,6 +807,13 @@ Do not use feature (e.g, for systems where the feature is enabled by default, for more details see mount options in /proc/mounts). .TP +.B strictatime +Update inode access times whenever a file is accessed. Disables noatime and +.B relatime. +.TP +.B nostrictatime +Use the kernel's default behaviour for inode access time updates. +.TP .B suid Allow set-user-identifier or set-group-identifier bits to take effect. diff --git a/mount/mount.c b/mount/mount.c index 94fa94fbb..f48f9d408 100644 --- a/mount/mount.c +++ b/mount/mount.c @@ -188,6 +188,10 @@ static const struct opt_map opt_map[] = { { "norelatime", 0, 1, MS_RELATIME }, /* Update access time without regard to mtime/ctime */ #endif +#ifdef MS_STRICTATIME + { "strictatime", 0, 0, MS_STRICTATIME }, /* Strict atime semantics */ + { "nostrictatime", 0, 1, MS_STRICTATIME }, /* kernel default atime */ +#endif { "nofail", 0, 0, MS_COMMENT}, /* Do not fail if ENOENT on dev */ { NULL, 0, 0, 0 } }; diff --git a/mount/mount_constants.h b/mount/mount_constants.h index 41311c05b..81686f1df 100644 --- a/mount/mount_constants.h +++ b/mount/mount_constants.h @@ -59,6 +59,9 @@ #ifndef MS_I_VERSION #define MS_I_VERSION (1<<23) /* update inode I_version field */ #endif +#ifndef MS_STRICTATIME +#define MS_STRICTATIME (1<<24) /* strict atime semantics */ +#endif /* * Magic mount flag number. Had to be or-ed to the flag values. */ |