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| author | Christoph Hellwig <hch@lst.de> | 2017-10-17 23:16:19 +0200 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-27 00:38:20 +0200 |
| commit | 232b51948b99dfcc95e81d8a289bc0409b3ff5b3 (patch) | |
| tree | 1fccfa555e5615315aa2ded63028f4d5fc7799bf /fs/xfs/xfs_bmap_util.h | |
| parent | xfs: rewrite getbmap using the xfs_iext_* helpers (diff) | |
| download | linux-232b51948b99dfcc95e81d8a289bc0409b3ff5b3.tar.xz linux-232b51948b99dfcc95e81d8a289bc0409b3ff5b3.zip | |
xfs: simplify the xfs_getbmap interface
Instead of passing in a formatter callback allocate the bmap buffer
in the caller and process the entries there. Additionally replace
the in-kernel buffer with a new much smaller structure, and unify
the implementation of the different ioctls in a single function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_bmap_util.h')
| -rw-r--r-- | fs/xfs/xfs_bmap_util.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h index 7d330b3c77c3..4d4ae48bd4f6 100644 --- a/fs/xfs/xfs_bmap_util.h +++ b/fs/xfs/xfs_bmap_util.h @@ -47,10 +47,14 @@ int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff, int xfs_bmap_punch_delalloc_range(struct xfs_inode *ip, xfs_fileoff_t start_fsb, xfs_fileoff_t length); -/* bmap to userspace formatter - copy to user & advance pointer */ -typedef int (*xfs_bmap_format_t)(void **, struct getbmapx *); +struct kgetbmap { + __s64 bmv_offset; /* file offset of segment in blocks */ + __s64 bmv_block; /* starting block (64-bit daddr_t) */ + __s64 bmv_length; /* length of segment, blocks */ + __s32 bmv_oflags; /* output flags */ +}; int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv, - xfs_bmap_format_t formatter, void *arg); + struct kgetbmap *out); /* functions in xfs_bmap.c that are only needed by xfs_bmap_util.c */ int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, |