diff options
Diffstat (limited to 'fs/xfs/xfs_buf.c')
| -rw-r--r-- | fs/xfs/xfs_buf.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index d99ec8335750..6fbcbbfb4d1a 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -688,29 +688,39 @@ xfs_buf_readahead_map( * Read an uncached buffer from disk. Allocates and returns a locked * buffer containing the disk contents or nothing. */ -struct xfs_buf * +int xfs_buf_read_uncached( struct xfs_buftarg *target, xfs_daddr_t daddr, size_t numblks, int flags, + struct xfs_buf **bpp, const struct xfs_buf_ops *ops) { struct xfs_buf *bp; + *bpp = NULL; + bp = xfs_buf_get_uncached(target, numblks, flags); if (!bp) - return NULL; + return -ENOMEM; /* set up the buffer for a read IO */ ASSERT(bp->b_map_count == 1); - bp->b_bn = daddr; + bp->b_bn = XFS_BUF_DADDR_NULL; /* always null for uncached buffers */ bp->b_maps[0].bm_bn = daddr; bp->b_flags |= XBF_READ; bp->b_ops = ops; xfs_buf_submit_wait(bp); - return bp; + if (bp->b_error) { + int error = bp->b_error; + xfs_buf_relse(bp); + return error; + } + + *bpp = bp; + return 0; } /* |