xfs: simplify xfs_file_iomap_begin
We'll never get nimap == 0 for a successful return from xfs_bmapi_read,
so don't try to handle it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 2114d53..1cce760 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1037,20 +1037,14 @@
return error;
trace_xfs_iomap_alloc(ip, offset, length, 0, &imap);
- xfs_bmbt_to_iomap(ip, iomap, &imap);
- } else if (nimaps) {
+ } else {
+ ASSERT(nimaps);
+
xfs_iunlock(ip, XFS_ILOCK_EXCL);
trace_xfs_iomap_found(ip, offset, length, 0, &imap);
- xfs_bmbt_to_iomap(ip, iomap, &imap);
- } else {
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- trace_xfs_iomap_not_found(ip, offset, length, 0, &imap);
- iomap->blkno = IOMAP_NULL_BLOCK;
- iomap->type = IOMAP_HOLE;
- iomap->offset = offset;
- iomap->length = length;
}
+ xfs_bmbt_to_iomap(ip, iomap, &imap);
return 0;
}
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 551b7e2..7e88bec 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1298,7 +1298,6 @@
DEFINE_IOMAP_EVENT(xfs_get_blocks_map_direct);
DEFINE_IOMAP_EVENT(xfs_iomap_alloc);
DEFINE_IOMAP_EVENT(xfs_iomap_found);
-DEFINE_IOMAP_EVENT(xfs_iomap_not_found);
DECLARE_EVENT_CLASS(xfs_simple_io_class,
TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count),