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authorChristoph Hellwig <hch@lst.de>2022-06-14 11:09:34 +0200
committerJens Axboe <axboe@kernel.dk>2022-06-27 14:29:11 +0200
commit2a9336c42a6abdcef564d522648a684a474a3483 (patch)
tree9ebd3675e1f12ba19bf59089210016a5b3c49cc1 /block
parentblock: fold blk_max_size_offset into get_max_io_size (diff)
downloadlinux-2a9336c42a6abdcef564d522648a684a474a3483.tar.xz
linux-2a9336c42a6abdcef564d522648a684a474a3483.zip
block: move blk_queue_get_max_sectors to blk.h
blk_queue_get_max_sectors is private to the block layer, so move it out of blkdev.h. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20220614090934.570632-7-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
-rw-r--r--block/blk.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h
index 434017701403..8e79296ee97a 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -159,6 +159,19 @@ static inline bool blk_discard_mergable(struct request *req)
return false;
}
+static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q,
+ int op)
+{
+ if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE))
+ return min(q->limits.max_discard_sectors,
+ UINT_MAX >> SECTOR_SHIFT);
+
+ if (unlikely(op == REQ_OP_WRITE_ZEROES))
+ return q->limits.max_write_zeroes_sectors;
+
+ return q->limits.max_sectors;
+}
+
#ifdef CONFIG_BLK_DEV_INTEGRITY
void blk_flush_integrity(void);
bool __bio_integrity_endio(struct bio *);