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xfs: add reflink feature flag to geometry 

Report the reflink feature in the XFS geometry so that xfs_info and
friends know the filesystem has this feature.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2016-10-03 09:11:30 -07:00
parent 53aa1c34f4
commit f0ec1b8ef1
2 changed files with 5 additions and 2 deletions
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3
fs/xfs/libxfs/xfs_fs.h
View File

@ -206,7 +206,8 @@ typedef struct xfs_fsop_resblks {
#define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
#define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */
#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */
#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */
/*
* Minimum and maximum sizes need for growth checks.

4
fs/xfs/xfs_fsops.c
View File

@ -108,7 +108,9 @@ xfs_fs_geometry(
(xfs_sb_version_hassparseinodes(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_SPINODES : 0) |
(xfs_sb_version_hasrmapbt(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_RMAPBT : 0);
XFS_FSOP_GEOM_FLAGS_RMAPBT : 0) |
(xfs_sb_version_hasreflink(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_REFLINK : 0);
geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?
mp->m_sb.sb_logsectsize : BBSIZE;
geo->rtsectsize = mp->m_sb.sb_blocksize;