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| author | Christoph Hellwig <hch@lst.de> | 2016-08-17 08:44:52 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-08-17 08:44:52 +1000 |
| commit | b95a21271b30544a9fb992269d79ed1e1978e023 (patch) | |
| tree | f588bd7b73544d470b4f23389f36c1de5889cce1 | |
| parent | f20ac7ab17fcf7046bd9bc4166faf9580f713afd (diff) | |
| download | linux-stable-b95a21271b30544a9fb992269d79ed1e1978e023.tar.gz linux-stable-b95a21271b30544a9fb992269d79ed1e1978e023.tar.bz2 linux-stable-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>
| -rw-r--r-- | fs/xfs/xfs_iomap.c | 14 | ||||
| -rw-r--r-- | fs/xfs/xfs_trace.h | 1 |
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), |