diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-10-08 09:14:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-08 09:15:00 +0200 |
| commit | 153db80f8cf74e8700cac96305b6c0b92918f17c (patch) | |
| tree | c2afb28e7b3f4fbf0aacd9edd39d7f895321ca0c /block/blk-merge.c | |
| parent | 5fd03ddab7fdbc44bfb2d183a4531c26a8dbca5a (diff) | |
| parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) | |
Merge commit 'v2.6.36-rc7' into core/memblock
Merge reason: Update from -rc3 to -rc7.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/blk-merge.c')
| -rw-r--r-- | block/blk-merge.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 3b0cd4249671..eafc94f68d79 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -362,6 +362,18 @@ static int attempt_merge(struct request_queue *q, struct request *req, return 0; /* + * Don't merge file system requests and discard requests + */ + if ((req->cmd_flags & REQ_DISCARD) != (next->cmd_flags & REQ_DISCARD)) + return 0; + + /* + * Don't merge discard requests and secure discard requests + */ + if ((req->cmd_flags & REQ_SECURE) != (next->cmd_flags & REQ_SECURE)) + return 0; + + /* * not contiguous */ if (blk_rq_pos(req) + blk_rq_sectors(req) != blk_rq_pos(next)) |