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statx.2: Document STATX_MNT_ID 

Linux 5.8 adds STATX_MNT_ID and stx_mnt_id.
Add description to statx.2

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
NeilBrown 2021-08-13 08:46:47 +10:00 committed by Michael Kerrisk
parent 4c313d979d
commit 728009a474
1 changed files with 11 additions and 0 deletions
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11
man2/statx.2
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@ -77,6 +77,7 @@ struct statx {
containing the filesystem where the file resides */
__u32 stx_dev_major; /* Major ID */
__u32 stx_dev_minor; /* Minor ID */
__u64 stx_mnt_id; /* Mount ID */
};
.EE
.in
@ -258,6 +259,7 @@ STATX_SIZE Want stx_size
STATX_BLOCKS Want stx_blocks
STATX_BASIC_STATS [All of the above]
STATX_BTIME Want stx_btime
STATX_MNT_ID Want stx_mnt_id (since Linux 5.8)
STATX_ALL [All currently available fields]
.TE
.in
@ -411,6 +413,13 @@ The device on which this file (inode) resides.
.IR stx_rdev_major " and " stx_rdev_minor
The device that this file (inode) represents if the file is of block or
character device type.
.TP
.I stx_mnt_id
.\" commit fa2fcf4f1df1559a0a4ee0f46915b496cc2ebf60
The mount ID of the mount containing the file. This is the same number reported by
.BR name_to_handle_at (2)
and corresponds to the number in the first field in one of the records in
.IR /proc/self/mountinfo .
.PP
For further information on the above fields, see
.BR inode (7).
@ -573,9 +582,11 @@ is Linux-specific.
.BR access (2),
.BR chmod (2),
.BR chown (2),
.BR name_to_handle_at (2),
.BR readlink (2),
.BR stat (2),
.BR utime (2),
.BR proc (5),
.BR capabilities (7),
.BR inode (7),
.BR symlink (7)