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btrfs-progs: docs: add struct btrfs_ioctl_get_subvol_info_args

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Author: Christopher Head <chead@chead.ca>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christopher Head 2023-01-14 22:16:44 -08:00 committed by David Sterba
parent 3387667966
commit 23b2f8a1e7
1 changed files with 57 additions and 0 deletions
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57
Documentation/btrfs-ioctl.rst
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@ -48,6 +48,63 @@ DATA STRUCTURES AND DEFINITIONS
};
};
.. code-block::
struct btrfs_ioctl_get_subvol_info_args {
/* Id of this subvolume */
__u64 treeid;
/* Name of this subvolume, used to get the real name at mount point */
char name[BTRFS_VOL_NAME_MAX + 1];
/*
* Id of the subvolume which contains this subvolume.
* Zero for top-level subvolume or a deleted subvolume.
*/
__u64 parent_id;
/*
* Inode number of the directory which contains this subvolume.
* Zero for top-level subvolume or a deleted subvolume
*/
__u64 dirid;
/* Latest transaction id of this subvolume */
__u64 generation;
/* Flags of this subvolume */
__u64 flags;
/* UUID of this subvolume */
__u8 uuid[BTRFS_UUID_SIZE];
/*
* UUID of the subvolume of which this subvolume is a snapshot.
* All zero for a non-snapshot subvolume.
*/
__u8 parent_uuid[BTRFS_UUID_SIZE];
/*
* UUID of the subvolume from which this subvolume was received.
* All zero for non-received subvolume.
*/
__u8 received_uuid[BTRFS_UUID_SIZE];
/* Transaction id indicating when change/create/send/receive happened */
__u64 ctransid;
__u64 otransid;
__u64 stransid;
__u64 rtransid;
/* Time corresponding to c/o/s/rtransid */
struct btrfs_ioctl_timespec ctime;
struct btrfs_ioctl_timespec otime;
struct btrfs_ioctl_timespec stime;
struct btrfs_ioctl_timespec rtime;
/* Must be zero */
__u64 reserved[8];
};
.. code-block::
BTRFS_SUBVOL_NAME_MAX = 4039