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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 */ containing the filesystem where the file resides */
__u32 stx_dev_major; /* Major ID */ __u32 stx_dev_major; /* Major ID */
__u32 stx_dev_minor; /* Minor ID */ __u32 stx_dev_minor; /* Minor ID */
__u64 stx_mnt_id; /* Mount ID */
}; };
.EE .EE
.in .in
@ -258,6 +259,7 @@ STATX_SIZE Want stx_size
STATX_BLOCKS Want stx_blocks STATX_BLOCKS Want stx_blocks
STATX_BASIC_STATS [All of the above] STATX_BASIC_STATS [All of the above]
STATX_BTIME Want stx_btime STATX_BTIME Want stx_btime
STATX_MNT_ID Want stx_mnt_id (since Linux 5.8)
STATX_ALL [All currently available fields] STATX_ALL [All currently available fields]
.TE .TE
.in .in
@ -411,6 +413,13 @@ The device on which this file (inode) resides.
.IR stx_rdev_major " and " stx_rdev_minor .IR stx_rdev_major " and " stx_rdev_minor
The device that this file (inode) represents if the file is of block or The device that this file (inode) represents if the file is of block or
character device type. 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 .PP
For further information on the above fields, see For further information on the above fields, see
.BR inode (7). .BR inode (7).
@ -573,9 +582,11 @@ is Linux-specific.
.BR access (2), .BR access (2),
.BR chmod (2), .BR chmod (2),
.BR chown (2), .BR chown (2),
.BR name_to_handle_at (2),
.BR readlink (2), .BR readlink (2),
.BR stat (2), .BR stat (2),
.BR utime (2), .BR utime (2),
.BR proc (5),
.BR capabilities (7), .BR capabilities (7),
.BR inode (7), .BR inode (7),
.BR symlink (7) .BR symlink (7)