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block: replace the spin argument to blk_iopoll with a flags argument

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Switch the boolean spin argument to blk_poll to passing a set of flags
instead.  This will allow to control polling behavior in a more fine
grained way.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Mark Wunderlich <mark.wunderlich@intel.com>
Link: https://lore.kernel.org/r/20211012111226.760968-10-hch@lst.de
[axboe: adapt to changed io_uring iopoll]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2021-10-12 13:12:19 +02:00
committed by Jens Axboe
parent 28a1ae6b9d
commit ef99b2d376
9 changed files with 26 additions and 26 deletions
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include/linux/blkdev.h
+3 -1
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@@ -564,7 +564,9 @@ extern const char *blk_op_str(unsigned int op);
int blk_status_to_errno(blk_status_t status);
blk_status_t errno_to_blk_status(int errno);
int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin);
/* only poll the hardware once, don't continue until a completion was found */
#define BLK_POLL_ONESHOT (1 << 0)
int blk_poll(struct request_queue *q, blk_qc_t cookie, unsigned int flags);
static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
{