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bdi_register: add __printf verification, fix arg mismatch

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__printf is useful to verify format and arguments.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Alex Elder <elder@inktank.com>
This commit is contained in:
Joe Perches 2012-11-29 08:37:03 -06:00 committed by Alex Elder
parent 83aff95eb9
commit d2cc4dde92
2 changed files with 2 additions and 1 deletions
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2
fs/ceph/super.c
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@ -842,7 +842,7 @@ static int ceph_register_bdi(struct super_block *sb,
fsc->backing_dev_info.ra_pages = fsc->backing_dev_info.ra_pages =
default_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)); atomic_long_inc_return(&bdi_seq));
if (!err) if (!err)
sb->s_bdi = &fsc->backing_dev_info; sb->s_bdi = &fsc->backing_dev_info;

1
include/linux/backing-dev.h
View File

@ -114,6 +114,7 @@ struct backing_dev_info {
int bdi_init(struct backing_dev_info *bdi); int bdi_init(struct backing_dev_info *bdi);
void bdi_destroy(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, int bdi_register(struct backing_dev_info *bdi, struct device *parent,
const char *fmt, ...); const char *fmt, ...);
int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);