aboutsummaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2016-08-17 08:44:52 +1000
committerDave Chinner <david@fromorbit.com>2016-08-17 08:44:52 +1000
commitb95a21271b30544a9fb992269d79ed1e1978e023 (patch)
treef588bd7b73544d470b4f23389f36c1de5889cce1 /fs
parentf20ac7ab17fcf7046bd9bc4166faf9580f713afd (diff)
downloadlinux-yocto-4.8-b95a21271b30544a9fb992269d79ed1e1978e023.tar.gz
linux-yocto-4.8-b95a21271b30544a9fb992269d79ed1e1978e023.tar.bz2
linux-yocto-4.8-b95a21271b30544a9fb992269d79ed1e1978e023.zip
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_iomap.c14
-rw-r--r--fs/xfs/xfs_trace.h1
2 files changed, 4 insertions, 11 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 2114d53df433..1cce760399a2 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1037,20 +1037,14 @@ xfs_file_iomap_begin(
return error;
trace_xfs_iomap_alloc(ip, offset, length, 0, &imap);
- xfs_bmbt_to_iomap(ip, iomap, &imap);
- } else if (nimaps) {
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- trace_xfs_iomap_found(ip, offset, length, 0, &imap);
- xfs_bmbt_to_iomap(ip, iomap, &imap);
} else {
+ ASSERT(nimaps);
+
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;
+ trace_xfs_iomap_found(ip, offset, length, 0, &imap);
}
+ xfs_bmbt_to_iomap(ip, iomap, &imap);
return 0;
}
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 551b7e26980c..7e88bec3f359 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1298,7 +1298,6 @@ DEFINE_IOMAP_EVENT(xfs_get_blocks_alloc);
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),