diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-05-31 09:48:06 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-06-14 10:19:44 -0600 |
| commit | 804e498e0496d889090f32f812b5ce1a4f2aa63e (patch) | |
| tree | 3c8c2511987cc7ff5973cab83c8d58125f4ee194 /drivers/scsi/sd.h | |
| parent | 9c1d339a1bf45f4d3a2e77bbf24b0ec51f02551c (diff) | |
sd: convert to the atomic queue limits API
Assign all queue limits through a local queue_limits variable and
queue_limits_commit_update so that we can't race updating them from
multiple places, and freeze the queue when updating them so that
in-progress I/O submissions don't see half-updated limits.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240531074837.1648501-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 49dd600bfa48..b4170b17bad4 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -239,7 +239,8 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp) #ifdef CONFIG_BLK_DEV_ZONED -int sd_zbc_read_zones(struct scsi_disk *sdkp, u8 buf[SD_BUF_SIZE]); +int sd_zbc_read_zones(struct scsi_disk *sdkp, struct queue_limits *lim, + u8 buf[SD_BUF_SIZE]); int sd_zbc_revalidate_zones(struct scsi_disk *sdkp); blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd, unsigned char op, bool all); @@ -250,7 +251,8 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector, #else /* CONFIG_BLK_DEV_ZONED */ -static inline int sd_zbc_read_zones(struct scsi_disk *sdkp, u8 buf[SD_BUF_SIZE]) +static inline int sd_zbc_read_zones(struct scsi_disk *sdkp, + struct queue_limits *lim, u8 buf[SD_BUF_SIZE]) { return 0; } |