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config: remove HAVE_BLK_QUEUE_WRITE_CACHE/HAVE_BLK_QUEUE_FLUSH

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris
2024-08-16 16:23:25 +10:00
committed by Brian Behlendorf
parent 43bf9a712b
commit ddf5122a29
2 changed files with 0 additions and 97 deletions
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include/os/linux/kernel/linux/blkdev_compat.h
-24
View File
@@ -61,24 +61,12 @@ blk_queue_flag_clear(unsigned int flag, struct request_queue *q)
* Setting the flush flags directly is no longer possible; flush flags are set
* on the queue_limits structure and passed to blk_disk_alloc(). In this case
* we remove this function entirely.
*
* 4.7 API,
* The blk_queue_write_cache() interface has replaced blk_queue_flush()
* interface. However, the new interface is GPL-only thus we implement
* our own trivial wrapper when the GPL-only version is detected.
*
* 2.6.36 - 4.6 API,
* The blk_queue_flush() interface has replaced blk_queue_ordered()
* interface. However, while the old interface was available to all the
* new one is GPL-only. Thus if the GPL-only version is detected we
* implement our own trivial helper.
*/
#if !defined(HAVE_BLK_ALLOC_DISK_2ARG) || \
!defined(HAVE_BLKDEV_QUEUE_LIMITS_FEATURES)
static inline void
blk_queue_set_write_cache(struct request_queue *q, bool on)
{
#if defined(HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY)
if (on) {
blk_queue_flag_set(QUEUE_FLAG_WC, q);
blk_queue_flag_set(QUEUE_FLAG_FUA, q);
@@ -86,18 +74,6 @@ blk_queue_set_write_cache(struct request_queue *q, bool on)
blk_queue_flag_clear(QUEUE_FLAG_WC, q);
blk_queue_flag_clear(QUEUE_FLAG_FUA, q);
}
#elif defined(HAVE_BLK_QUEUE_WRITE_CACHE)
blk_queue_write_cache(q, on, on);
#elif defined(HAVE_BLK_QUEUE_FLUSH_GPL_ONLY)
if (on)
q->flush_flags |= REQ_FLUSH | REQ_FUA;
else
q->flush_flags &= ~(REQ_FLUSH | REQ_FUA);
#elif defined(HAVE_BLK_QUEUE_FLUSH)
blk_queue_flush(q, on ? (REQ_FLUSH | REQ_FUA) : 0);
#else
#error "Unsupported kernel"
#endif
}
#endif /* !HAVE_BLK_ALLOC_DISK_2ARG || !HAVE_BLKDEV_QUEUE_LIMITS_FEATURES */