diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-04-12 07:41:17 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-04-14 18:15:57 -0700 |
| commit | 7cd5006bdb6f6d9d9d7e68aa1d96b6e4a8b68bc5 (patch) | |
| tree | df47e1074e3c043f5206a0e6c0201ae421fc0462 /fs/xfs/libxfs/xfs_fs.h | |
| parent | 1b6d968de22bffd85a60538d2628185b17228291 (diff) | |
| download | linux-7cd5006bdb6f6d9d9d7e68aa1d96b6e4a8b68bc5.tar.gz | |
xfs: add a new ioctl to describe allocation group geometry
Add a new ioctl to describe an allocation group's geometry. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index cb7d0b1453cd..ee33d628a240 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -268,6 +268,19 @@ typedef struct xfs_fsop_resblks { (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) /* + * Output for XFS_IOC_AG_GEOMETRY + */ +struct xfs_ag_geometry { + uint32_t ag_number; /* i/o: AG number */ + uint32_t ag_length; /* o: length in blocks */ + uint32_t ag_freeblks; /* o: free space */ + uint32_t ag_icount; /* o: inodes allocated */ + uint32_t ag_ifree; /* o: inodes free */ + uint32_t ag_reserved32; /* o: zero */ + uint64_t ag_reserved[13];/* o: zero */ +}; + +/* * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT */ typedef struct xfs_growfs_data { @@ -620,6 +633,7 @@ struct xfs_scrub_metadata { #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) /* XFS_IOC_GETFSMAP ------ hoisted 59 */ #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) +#define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry) /* * ioctl commands that replace IRIX syssgi()'s |