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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2017-09-07 12:12:43 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2017-09-07 12:12:43 -0700 |
| commit | 2441500a41a9b17ff657626eb81972f62bc8cc5a (patch) | |
| tree | a73d114149de8daa1da3713d4048930ba7421384 /drivers/scsi/sd_zbc.c | |
| parent | a45a1f3614182267803baadba657b59e2ddc0545 (diff) | |
| parent | e6f77540c067b48dee10f1e33678415bfcc89017 (diff) | |
| download | linux-2441500a41a9b17ff657626eb81972f62bc8cc5a.tar.bz2 | |
Merge branch 'fixes' into misc
Diffstat (limited to 'drivers/scsi/sd_zbc.c')
| -rw-r--r-- | drivers/scsi/sd_zbc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 96855df9f49d..8aa54779aac1 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -294,6 +294,9 @@ int sd_zbc_write_lock_zone(struct scsi_cmnd *cmd) test_and_set_bit(zno, sdkp->zones_wlock)) return BLKPREP_DEFER; + WARN_ON_ONCE(cmd->flags & SCMD_ZONE_WRITE_LOCK); + cmd->flags |= SCMD_ZONE_WRITE_LOCK; + return BLKPREP_OK; } @@ -302,9 +305,10 @@ void sd_zbc_write_unlock_zone(struct scsi_cmnd *cmd) struct request *rq = cmd->request; struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); - if (sdkp->zones_wlock) { + if (sdkp->zones_wlock && cmd->flags & SCMD_ZONE_WRITE_LOCK) { unsigned int zno = sd_zbc_zone_no(sdkp, blk_rq_pos(rq)); WARN_ON_ONCE(!test_bit(zno, sdkp->zones_wlock)); + cmd->flags &= ~SCMD_ZONE_WRITE_LOCK; clear_bit_unlock(zno, sdkp->zones_wlock); smp_mb__after_atomic(); } @@ -335,9 +339,6 @@ void sd_zbc_complete(struct scsi_cmnd *cmd, case REQ_OP_WRITE_ZEROES: case REQ_OP_WRITE_SAME: - /* Unlock the zone */ - sd_zbc_write_unlock_zone(cmd); - if (result && sshdr->sense_key == ILLEGAL_REQUEST && sshdr->asc == 0x21) |