Commit a301b2de authored by ye xingchen's avatar ye xingchen Committed by Jens Axboe
Browse files

bcache: Convert to use sysfs_emit()/sysfs_emit_at() APIs 



Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: default avatarye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: default avatarColy Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-2-colyli@suse.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent dd7de370

drivers/md/bcache/sysfs.c

+15 −16
Original line number Diff line number Diff line
@@ -1111,7 +1111,7 @@ SHOW(__bch_cache) 


		vfree(p);



		ret = scnprintf(buf, PAGE_SIZE,

		ret = sysfs_emit(buf,

				 "Unused:		%zu%%\n"

				 "Clean:		%zu%%\n"

				 "Dirty:		%zu%%\n"
@@ -1126,11 +1126,10 @@ SHOW(__bch_cache) 
				 n * ca->sb.bucket_size / (ARRAY_SIZE(q) + 1));



		for (i = 0; i < ARRAY_SIZE(q); i++)

			ret += scnprintf(buf + ret, PAGE_SIZE - ret,

					 "%u ", q[i]);

			ret += sysfs_emit_at(buf, ret, "%u ", q[i]);

		ret--;



		ret += scnprintf(buf + ret, PAGE_SIZE - ret, "]\n");

		ret += sysfs_emit_at(buf, ret, "]\n");



		return ret;

	}