mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
![Bart Van Assche](/assets/img/avatar_default.png)
Exclude zoned block device members from struct request_queue for CONFIG_BLK_DEV_ZONED == n. Avoid breaking the build by only building the code that uses these struct request_queue members if CONFIG_BLK_DEV_ZONED != n. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Cc: Matias Bjorling <mb@lightnvm.io> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef INT_BLK_MQ_DEBUGFS_H
|
|
#define INT_BLK_MQ_DEBUGFS_H
|
|
|
|
#ifdef CONFIG_BLK_DEBUG_FS
|
|
|
|
#include <linux/seq_file.h>
|
|
|
|
struct blk_mq_debugfs_attr {
|
|
const char *name;
|
|
umode_t mode;
|
|
int (*show)(void *, struct seq_file *);
|
|
ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
|
|
/* Set either .show or .seq_ops. */
|
|
const struct seq_operations *seq_ops;
|
|
};
|
|
|
|
int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
|
|
int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
|
|
|
|
int blk_mq_debugfs_register(struct request_queue *q);
|
|
void blk_mq_debugfs_unregister(struct request_queue *q);
|
|
int blk_mq_debugfs_register_hctx(struct request_queue *q,
|
|
struct blk_mq_hw_ctx *hctx);
|
|
void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
|
|
int blk_mq_debugfs_register_hctxs(struct request_queue *q);
|
|
void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
|
|
|
|
int blk_mq_debugfs_register_sched(struct request_queue *q);
|
|
void blk_mq_debugfs_unregister_sched(struct request_queue *q);
|
|
int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
|
|
struct blk_mq_hw_ctx *hctx);
|
|
void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
|
|
#else
|
|
static inline int blk_mq_debugfs_register(struct request_queue *q)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void blk_mq_debugfs_unregister(struct request_queue *q)
|
|
{
|
|
}
|
|
|
|
static inline int blk_mq_debugfs_register_hctx(struct request_queue *q,
|
|
struct blk_mq_hw_ctx *hctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
|
|
{
|
|
}
|
|
|
|
static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
|
|
{
|
|
}
|
|
|
|
static inline int blk_mq_debugfs_register_sched(struct request_queue *q)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
|
|
{
|
|
}
|
|
|
|
static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
|
|
struct blk_mq_hw_ctx *hctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BLK_DEBUG_FS_ZONED
|
|
int queue_zone_wlock_show(void *data, struct seq_file *m);
|
|
#else
|
|
static inline int queue_zone_wlock_show(void *data, struct seq_file *m)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif
|