lkml.org 
[lkml]   [2024]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 08/15] block: Error an attempt to split an atomic write bio
Date
As the name suggests, we should not be splitting these.

Signed-off-by: John Garry <john.g.garry@oracle.com>
---
block/blk-merge.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/block/blk-merge.c b/block/blk-merge.c
index 6306a2c82354..9d714e8f76b3 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -314,6 +314,11 @@ struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim,
*segs = nsegs;
return NULL;
split:
+ if (bio->bi_opf & REQ_ATOMIC) {
+ bio->bi_status = BLK_STS_IOERR;
+ bio_endio(bio);
+ return ERR_PTR(-EINVAL);
+ }
/*
* We can't sanely support splitting for a REQ_NOWAIT bio. End it
* with EAGAIN if splitting is required and return an error pointer.
--
2.31.1

\
 
 \ /
  Last update: 2024-05-27 14:32    [W:0.336 / U:2.736 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site