From 3848b5f6709221b7ab52c9639baee50dc4b006bb Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 23 Jan 2020 17:01:15 -0800 Subject: xfs: make xfs_buf_get_map return an error code Convert xfs_buf_get_map() to return numeric error codes like most everywhere else in xfs. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig Reviewed-by: Dave Chinner --- fs/xfs/xfs_buf.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'fs/xfs/xfs_buf.h') diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 56e081dd1d96..25dd2aa4322b 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -192,9 +192,8 @@ struct xfs_buf *xfs_buf_incore(struct xfs_buftarg *target, xfs_daddr_t blkno, size_t numblks, xfs_buf_flags_t flags); -struct xfs_buf *xfs_buf_get_map(struct xfs_buftarg *target, - struct xfs_buf_map *map, int nmaps, - xfs_buf_flags_t flags); +int xfs_buf_get_map(struct xfs_buftarg *target, struct xfs_buf_map *map, + int nmaps, xfs_buf_flags_t flags, struct xfs_buf **bpp); struct xfs_buf *xfs_buf_read_map(struct xfs_buftarg *target, struct xfs_buf_map *map, int nmaps, xfs_buf_flags_t flags, @@ -209,8 +208,14 @@ xfs_buf_get( xfs_daddr_t blkno, size_t numblks) { + struct xfs_buf *bp; + int error; DEFINE_SINGLE_BUF_MAP(map, blkno, numblks); - return xfs_buf_get_map(target, &map, 1, 0); + + error = xfs_buf_get_map(target, &map, 1, 0, &bp); + if (error) + return NULL; + return bp; } static inline struct xfs_buf * -- cgit v1.2.3