On Sun, Sep 03, 2017 at 09:29:54AM +0200, Christoph Hellwig wrote:
> We only use xfs_bmbt_lookup_ge to look up the first bmap record in an
> inode, so replace xfs_bmbt_lookup_ge with a special purpose helper that
> is a bit more descriptive.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> fs/xfs/libxfs/xfs_bmap.c | 14 ++++++--------
> 1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 05c0cde3f415..54b9f18f0dab 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -121,16 +121,13 @@ xfs_bmbt_lookup_eq(
> }
>
> STATIC int /* error */
> -xfs_bmbt_lookup_ge(
> +xfs_bmbt_lookup_first(
> struct xfs_btree_cur *cur,
> - xfs_fileoff_t off,
> - xfs_fsblock_t bno,
> - xfs_filblks_t len,
> int *stat) /* success/failure */
> {
> - cur->bc_rec.b.br_startoff = off;
> - cur->bc_rec.b.br_startblock = bno;
> - cur->bc_rec.b.br_blockcount = len;
> + cur->bc_rec.b.br_startoff = 0;
> + cur->bc_rec.b.br_startblock = 0;
> + cur->bc_rec.b.br_blockcount = 0;
> return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat);
> }
>
> @@ -978,7 +975,8 @@ xfs_bmap_add_attrfork_btree(
> cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK);
> cur->bc_private.b.dfops = dfops;
> cur->bc_private.b.firstblock = *firstblock;
> - if ((error = xfs_bmbt_lookup_ge(cur, 0, 0, 0, &stat)))
> + error = xfs_bmbt_lookup_first(cur, &stat);
> + if (error)
> goto error0;
> /* must be at least one entry */
> XFS_WANT_CORRUPTED_GOTO(mp, stat == 1, error0);
> --
> 2.11.0
>
> --
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