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Document MS_RELATIME, new in kernel 2.6.20.

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Michael Kerrisk 2007-02-10 17:37:00 +00:00
parent 5a7f195c23
commit 926b6e378b
1 changed files with 12 additions and 0 deletions
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12
man2/mount.2
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@ -157,6 +157,15 @@ Mount file system read-only.
.\" FIXME Document MS_REC, available since 2.4.11.
.\" This flag has meaning in conjunction with MS_BIND and
.\" also with the shared sub-tree flags.
.TP
.BR MS_RELATIME "(Since Linux 2.6.20)"
When a file on this file system is accessed,
only update the file's last accessed time (atime) if the current value
of atime is less than or equal to the file's last modified (mtime)
or last status change time (ctime).
This option is useful for programs, such as
.BR mutt (1),
that need to know when a file has been read since it was last modified.
.TP
.B MS_REMOUNT
Remount an existing mount. This is allows you to change the
@ -204,6 +213,9 @@ From kernel 2.6.16 onwards,
and
.B MS_NODIRATIME
are also settable on a per-mount-point basis.
The
.B MS_RELATIME
flag is also settable on a per-mount-point basis.
.PP
The
.IR data