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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-03-28 14:56:37 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-04-03 15:18:17 -0700 |
| commit | e89c041338ed6ef2694e6465ca1ba033e0a2978c (patch) | |
| tree | 7866a101041335d77127b2258e5759b61d1d1e60 /fs/xfs/libxfs/xfs_rmap.h | |
| parent | fb3c3de2f65c007f3ee50538ea131f5c4603c7bc (diff) | |
| download | linux-e89c041338ed6ef2694e6465ca1ba033e0a2978c.tar.gz linux-e89c041338ed6ef2694e6465ca1ba033e0a2978c.tar.bz2 linux-e89c041338ed6ef2694e6465ca1ba033e0a2978c.zip | |
xfs: implement the GETFSMAP ioctl
Introduce a new ioctl that uses the reverse mapping btree to return
information about the physical layout of the filesystem.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h index faf2c1a2e63b..98f908fea103 100644 --- a/fs/xfs/libxfs/xfs_rmap.h +++ b/fs/xfs/libxfs/xfs_rmap.h @@ -214,5 +214,7 @@ int xfs_rmap_find_left_neighbor(struct xfs_btree_cur *cur, xfs_agblock_t bno, int xfs_rmap_lookup_le_range(struct xfs_btree_cur *cur, xfs_agblock_t bno, uint64_t owner, uint64_t offset, unsigned int flags, struct xfs_rmap_irec *irec, int *stat); +int xfs_rmap_compare(const struct xfs_rmap_irec *a, + const struct xfs_rmap_irec *b); #endif /* __XFS_RMAP_H__ */ |