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authorNathan Scott <nathans@sgi.com>2006-09-28 11:01:57 +1000
committerTim Shimmin <tes@sgi.com>2006-09-28 11:01:57 +1000
commit51bdd70681e247184b81c2de61dbc26154511155 (patch)
tree5ed741ebfb03e5e9ba6a9234a20808df28a1b186
parent8b56f083c2a6bd0a88271225f0bcf1d81db20d3c (diff)
[XFS] When issuing metadata readahead, submit bio with READA not READ.
SGI-PV: 944409 SGI-Modid: xfs-linux-melb:xfs-kern:26603a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index f13503508c4..247adced6e1 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1156,16 +1156,16 @@ _xfs_buf_ioapply(
total_nr_pages = bp->b_page_count;
map_i = 0;
- if (bp->b_flags & _XBF_RUN_QUEUES) {
- bp->b_flags &= ~_XBF_RUN_QUEUES;
- rw = (bp->b_flags & XBF_READ) ? READ_SYNC : WRITE_SYNC;
- } else {
- rw = (bp->b_flags & XBF_READ) ? READ : WRITE;
- }
-
if (bp->b_flags & XBF_ORDERED) {
ASSERT(!(bp->b_flags & XBF_READ));
rw = WRITE_BARRIER;
+ } else if (bp->b_flags & _XBF_RUN_QUEUES) {
+ ASSERT(!(bp->b_flags & XBF_READ_AHEAD));
+ bp->b_flags &= ~_XBF_RUN_QUEUES;
+ rw = (bp->b_flags & XBF_WRITE) ? WRITE_SYNC : READ_SYNC;
+ } else {
+ rw = (bp->b_flags & XBF_WRITE) ? WRITE :
+ (bp->b_flags & XBF_READ_AHEAD) ? READA : READ;
}
/* Special code path for reading a sub page size buffer in --