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Add a strictatime mount option

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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>
This commit is contained in:
Matthew Garrett 2009-03-26 17:49:56 +00:00 • committed by Linus Torvalds
parent 11ff6f05f1
commit d0adde574b
3 changed files with 7 additions and 1 deletions
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include/linux/mount.h
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@ -27,6 +27,7 @@ struct mnt_namespace;
#define MNT_NODIRATIME 0x10
#define MNT_RELATIME 0x20
#define MNT_READONLY 0x40 /* does the user want this to be r/o? */
#define MNT_STRICTATIME 0x80
#define MNT_SHRINKABLE 0x100
#define MNT_IMBALANCED_WRITE_COUNT 0x200 /* just for debugging */