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authorYu Kuai <yukuai3@huawei.com>2024-02-29 12:57:04 +0300
committerSong Liu <song@kernel.org>2024-03-01 09:49:45 +0300
commit3a0f007b6979db6b5e0022d9edf4b61002be3e10 (patch)
tree569df8e35443f4d9a766f4d5fff9e8fa61a80321 /drivers/md/raid1.c
parentdfd2bf436709b2bccb78c2dda550dde93700efa7 (diff)
downloadlinux-3a0f007b6979db6b5e0022d9edf4b61002be3e10.tar.xz
md: add a new helper rdev_has_badblock()
The current api is_badblock() must pass in 'first_bad' and 'bad_sectors', however, many caller just want to know if there are badblocks or not, and these caller must define two local variable that will never be used. Add a new helper rdev_has_badblock() that will only return if there are badblocks or not, remove unnecessary local variables and replace is_badblock() with the new helper in many places. There are no functional changes, and the new helper will also be used later to refactor read_balance(). Co-developed-by: Paul Luse <paul.e.luse@linux.intel.com> Signed-off-by: Paul Luse <paul.e.luse@linux.intel.com> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Reviewed-by: Xiao Ni <xni@redhat.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20240229095714.926789-2-yukuai1@huaweicloud.com
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 286f8b16c7bd..a145fe48b9ce 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -498,9 +498,6 @@ static void raid1_end_write_request(struct bio *bio)
* to user-side. So if something waits for IO, then it
* will wait for the 'master' bio.
*/
- sector_t first_bad;
- int bad_sectors;
-
r1_bio->bios[mirror] = NULL;
to_put = bio;
/*
@@ -516,8 +513,8 @@ static void raid1_end_write_request(struct bio *bio)
set_bit(R1BIO_Uptodate, &r1_bio->state);
/* Maybe we can clear some bad blocks. */
- if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors,
- &first_bad, &bad_sectors) && !discard_error) {
+ if (rdev_has_badblock(rdev, r1_bio->sector, r1_bio->sectors) &&
+ !discard_error) {
r1_bio->bios[mirror] = IO_MADE_GOOD;
set_bit(R1BIO_MadeGood, &r1_bio->state);
}
@@ -1944,8 +1941,6 @@ static void end_sync_write(struct bio *bio)
struct r1bio *r1_bio = get_resync_r1bio(bio);
struct mddev *mddev = r1_bio->mddev;
struct r1conf *conf = mddev->private;
- sector_t first_bad;
- int bad_sectors;
struct md_rdev *rdev = conf->mirrors[find_bio_disk(r1_bio, bio)].rdev;
if (!uptodate) {
@@ -1955,14 +1950,11 @@ static void end_sync_write(struct bio *bio)
set_bit(MD_RECOVERY_NEEDED, &
mddev->recovery);
set_bit(R1BIO_WriteError, &r1_bio->state);
- } else if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors,
- &first_bad, &bad_sectors) &&
- !is_badblock(conf->mirrors[r1_bio->read_disk].rdev,
- r1_bio->sector,
- r1_bio->sectors,
- &first_bad, &bad_sectors)
- )
+ } else if (rdev_has_badblock(rdev, r1_bio->sector, r1_bio->sectors) &&
+ !rdev_has_badblock(conf->mirrors[r1_bio->read_disk].rdev,
+ r1_bio->sector, r1_bio->sectors)) {
set_bit(R1BIO_MadeGood, &r1_bio->state);
+ }
put_sync_write_buf(r1_bio, uptodate);
}
@@ -2279,16 +2271,12 @@ static void fix_read_error(struct r1conf *conf, struct r1bio *r1_bio)
s = PAGE_SIZE >> 9;
do {
- sector_t first_bad;
- int bad_sectors;
-
rdev = conf->mirrors[d].rdev;
if (rdev &&
(test_bit(In_sync, &rdev->flags) ||
(!test_bit(Faulty, &rdev->flags) &&
rdev->recovery_offset >= sect + s)) &&
- is_badblock(rdev, sect, s,
- &first_bad, &bad_sectors) == 0) {
+ rdev_has_badblock(rdev, sect, s) == 0) {
atomic_inc(&rdev->nr_pending);
if (sync_page_io(rdev, sect, s<<9,
conf->tmppage, REQ_OP_READ, false))