diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-12-27 09:23:05 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-12-27 10:46:01 -0700 |
| commit | d6b9f4e6f7fb589d8024a31cc4883d15d0c8def4 (patch) | |
| tree | 51c3a3da55348c60f2c528fab2fb5caa4b3d616c /include/linux/blkdev.h | |
| parent | 3d77976c3a8586ab1fb6845e2061588b7d04934f (diff) | |
block: rename and document BLK_DEF_MAX_SECTORS
Give BLK_DEF_MAX_SECTORS a _CAP postfix and document what it is used for.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20231227092305.279567-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bc236e77d85e..94701a63ad8a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1056,7 +1056,14 @@ enum blk_default_limits { BLK_SEG_BOUNDARY_MASK = 0xFFFFFFFFUL, }; -#define BLK_DEF_MAX_SECTORS 2560u +/* + * Default upper limit for the software max_sectors limit used for + * regular file system I/O. This can be increased through sysfs. + * + * Not to be confused with the max_hw_sector limit that is entirely + * controlled by the driver, usually based on hardware limits. + */ +#define BLK_DEF_MAX_SECTORS_CAP 2560u static inline unsigned long queue_segment_boundary(const struct request_queue *q) { |