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block: renumber and rename the cache disabled flag

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Start with the first bit, and drop the plural-S from the name.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20240619154623.450048-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-06-19 17:45:35 +02:00 committed by Jens Axboe
parent 4e54ea72ed
commit bae1c74316
2 changed files with 6 additions and 6 deletions
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6
block/blk-sysfs.c
View File

@ -429,7 +429,7 @@ static ssize_t queue_io_timeout_store(struct request_queue *q, const char *page,
static ssize_t queue_wc_show(struct request_queue *q, char *page)
{
if (q->limits.features & BLK_FLAGS_WRITE_CACHE_DISABLED)
if (q->limits.features & BLK_FLAG_WRITE_CACHE_DISABLED)
return sprintf(page, "write through\n");
return sprintf(page, "write back\n");
}
@ -452,9 +452,9 @@ static ssize_t queue_wc_store(struct request_queue *q, const char *page,
lim = queue_limits_start_update(q);
if (disable)
lim.flags |= BLK_FLAGS_WRITE_CACHE_DISABLED;
lim.flags |= BLK_FLAG_WRITE_CACHE_DISABLED;
else
lim.flags &= ~BLK_FLAGS_WRITE_CACHE_DISABLED;
lim.flags &= ~BLK_FLAG_WRITE_CACHE_DISABLED;
err = queue_limits_commit_update(q, &lim);
if (err)
return err;

6
include/linux/blkdev.h
View File

@ -339,8 +339,8 @@ enum {
/* internal flags in queue_limits.flags */
enum {
/* do not send FLUSH or FUA command despite advertised write cache */
BLK_FLAGS_WRITE_CACHE_DISABLED = (1u << 31),
/* do not send FLUSH/FUA commands despite advertising a write cache */
BLK_FLAG_WRITE_CACHE_DISABLED = (1u << 0),
};
struct queue_limits {
@ -1339,7 +1339,7 @@ static inline bool bdev_stable_writes(struct block_device *bdev)
static inline bool blk_queue_write_cache(struct request_queue *q)
{
return (q->limits.features & BLK_FEAT_WRITE_CACHE) &&
!(q->limits.flags & BLK_FLAGS_WRITE_CACHE_DISABLED);
!(q->limits.flags & BLK_FLAG_WRITE_CACHE_DISABLED);
}
static inline bool bdev_write_cache(struct block_device *bdev)