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Commit d2cc4dde authored by Joe Perches's avatar Joe Perches Committed by Alex Elder
Browse files

bdi_register: add __printf verification, fix arg mismatch 



__printf is useful to verify format and arguments.

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Reviewed-by: default avatarAlex Elder <elder@inktank.com>
parent 83aff95e

fs/ceph/super.c

+1 −1
Original line number Diff line number Diff line
@@ -842,7 +842,7 @@ static int ceph_register_bdi(struct super_block *sb, 
		fsc->backing_dev_info.ra_pages =

			default_backing_dev_info.ra_pages;



	err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%d",

	err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld",

			   atomic_long_inc_return(&bdi_seq));

	if (!err)

		sb->s_bdi = &fsc->backing_dev_info;

include/linux/backing-dev.h

+1 −0
Original line number Diff line number Diff line
@@ -114,6 +114,7 @@ struct backing_dev_info { 
int bdi_init(struct backing_dev_info *bdi);

void bdi_destroy(struct backing_dev_info *bdi);



__printf(3, 4)

int bdi_register(struct backing_dev_info *bdi, struct device *parent,

		const char *fmt, ...);

int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);