Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-09 15:29:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

block: don't warn for flush on read-only device

Browse Source 
Don't warn for a flush issued to a read-only device. It's not strictly
a writable command, as it doesn't change any on-media data by itself.

Reported-by: Stefan Agner <stefan@agner.ch>
Fixes: 721c7fc701c7 ("block: fail op_is_write() requests to read-only partitions")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-08-14 10:52:40 -06:00
parent eb2b3d0345
commit b089cfd95d
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block/blk-core.c
View File

@ -2162,7 +2162,9 @@ static inline bool should_fail_request(struct hd_struct *part,
static inline bool bio_check_ro(struct bio *bio, struct hd_struct *part)
{
if (part->policy && op_is_write(bio_op(bio))) {
const int op = bio_op(bio);
if (part->policy && (op_is_write(op) && !op_is_flush(op))) {
char b[BDEVNAME_SIZE];
printk(KERN_ERR