imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-10-31 22:34:33 +01:00
Code Issues Packages Projects Releases Wiki Activity

block: fix and cleanup bio_check_ro

Browse Source 
Don't use a WARN_ON when printing a potentially user triggered
condition.  Also don't print the partno when the block device name
already includes it, and use the %pg specifier to simplify printing
the block device name.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig authored and Jens Axboe committed 2022-03-07 06:42:33 -07:00
1 parent ab552fcb17
commit 57e95e4670
1 file changed
+2 -6
Download Patch File Download Diff File Expand all files Collapse all files
block/blk-core.c
+2 -6
View File
@@ -580,14 +580,10 @@ late_initcall(fail_make_request_debugfs);
static inline bool bio_check_ro(struct bio *bio)
{
if (op_is_write(bio_op(bio)) && bdev_read_only(bio->bi_bdev)) {
char b[BDEVNAME_SIZE];
if (op_is_flush(bio->bi_opf) && !bio_sectors(bio))
return false;
WARN_ONCE(1,
"Trying to write to read-only block-device %s (partno %d)\n",
bio_devname(bio, b), bio->bi_bdev->bd_partno);
pr_warn("Trying to write to read-only block-device %pg\n",
bio->bi_bdev);
/* Older lvm-tools actually trigger this */
return false;
}