raid5-log.h (498495dba268b20e8eadd7fe93c140c68b6cc9d2) raid5-log.h (1532d9e87e8b2377f12929f9e40724d5fbe6ecc5)
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _RAID5_LOG_H
3#define _RAID5_LOG_H
4
5extern int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev);
6extern void r5l_exit_log(struct r5conf *conf);
7extern int r5l_write_stripe(struct r5l_log *log, struct stripe_head *head_sh);
8extern void r5l_write_stripe_run(struct r5l_log *log);

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27extern void r5c_make_stripe_write_out(struct stripe_head *sh);
28extern void r5c_flush_cache(struct r5conf *conf, int num);
29extern void r5c_check_stripe_cache_usage(struct r5conf *conf);
30extern void r5c_check_cached_full_stripe(struct r5conf *conf);
31extern struct md_sysfs_entry r5c_journal_mode;
32extern void r5c_update_on_rdev_error(struct mddev *mddev,
33 struct md_rdev *rdev);
34extern bool r5c_big_stripe_cached(struct r5conf *conf, sector_t sect);
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _RAID5_LOG_H
3#define _RAID5_LOG_H
4
5extern int r5l_init_log(struct r5conf *conf, struct md_rdev *rdev);
6extern void r5l_exit_log(struct r5conf *conf);
7extern int r5l_write_stripe(struct r5l_log *log, struct stripe_head *head_sh);
8extern void r5l_write_stripe_run(struct r5l_log *log);

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27extern void r5c_make_stripe_write_out(struct stripe_head *sh);
28extern void r5c_flush_cache(struct r5conf *conf, int num);
29extern void r5c_check_stripe_cache_usage(struct r5conf *conf);
30extern void r5c_check_cached_full_stripe(struct r5conf *conf);
31extern struct md_sysfs_entry r5c_journal_mode;
32extern void r5c_update_on_rdev_error(struct mddev *mddev,
33 struct md_rdev *rdev);
34extern bool r5c_big_stripe_cached(struct r5conf *conf, sector_t sect);
35extern int r5l_start(struct r5l_log *log);
35
36extern struct dma_async_tx_descriptor *
37ops_run_partial_parity(struct stripe_head *sh, struct raid5_percpu *percpu,
38 struct dma_async_tx_descriptor *tx);
39extern int ppl_init_log(struct r5conf *conf);
40extern void ppl_exit_log(struct r5conf *conf);
41extern int ppl_write_stripe(struct r5conf *conf, struct stripe_head *sh);
42extern void ppl_write_stripe_run(struct r5conf *conf);
43extern void ppl_stripe_write_finished(struct stripe_head *sh);
44extern int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add);
36
37extern struct dma_async_tx_descriptor *
38ops_run_partial_parity(struct stripe_head *sh, struct raid5_percpu *percpu,
39 struct dma_async_tx_descriptor *tx);
40extern int ppl_init_log(struct r5conf *conf);
41extern void ppl_exit_log(struct r5conf *conf);
42extern int ppl_write_stripe(struct r5conf *conf, struct stripe_head *sh);
43extern void ppl_write_stripe_run(struct r5conf *conf);
44extern void ppl_stripe_write_finished(struct stripe_head *sh);
45extern int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add);
46extern void ppl_quiesce(struct r5conf *conf, int quiesce);
45
46static inline bool raid5_has_ppl(struct r5conf *conf)
47{
48 return test_bit(MD_HAS_PPL, &conf->mddev->flags);
49}
50
51static inline int log_stripe(struct stripe_head *sh, struct stripe_head_state *s)
52{

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82static inline void log_write_stripe_run(struct r5conf *conf)
83{
84 if (conf->log)
85 r5l_write_stripe_run(conf->log);
86 else if (raid5_has_ppl(conf))
87 ppl_write_stripe_run(conf);
88}
89
47
48static inline bool raid5_has_ppl(struct r5conf *conf)
49{
50 return test_bit(MD_HAS_PPL, &conf->mddev->flags);
51}
52
53static inline int log_stripe(struct stripe_head *sh, struct stripe_head_state *s)
54{

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84static inline void log_write_stripe_run(struct r5conf *conf)
85{
86 if (conf->log)
87 r5l_write_stripe_run(conf->log);
88 else if (raid5_has_ppl(conf))
89 ppl_write_stripe_run(conf);
90}
91
92static inline void log_flush_stripe_to_raid(struct r5conf *conf)
93{
94 if (conf->log)
95 r5l_flush_stripe_to_raid(conf->log);
96 else if (raid5_has_ppl(conf))
97 ppl_write_stripe_run(conf);
98}
99
100static inline int log_handle_flush_request(struct r5conf *conf, struct bio *bio)
101{
102 int ret = -ENODEV;
103
104 if (conf->log)
105 ret = r5l_handle_flush_request(conf->log, bio);
106 else if (raid5_has_ppl(conf))
107 ret = 0;
108
109 return ret;
110}
111
112static inline void log_quiesce(struct r5conf *conf, int quiesce)
113{
114 if (conf->log)
115 r5l_quiesce(conf->log, quiesce);
116 else if (raid5_has_ppl(conf))
117 ppl_quiesce(conf, quiesce);
118}
119
90static inline void log_exit(struct r5conf *conf)
91{
92 if (conf->log)
93 r5l_exit_log(conf);
94 else if (raid5_has_ppl(conf))
95 ppl_exit_log(conf);
96}
97

--- 20 unchanged lines hidden --- 		120static inline void log_exit(struct r5conf *conf)
121{
122 if (conf->log)
123 r5l_exit_log(conf);
124 else if (raid5_has_ppl(conf))
125 ppl_exit_log(conf);
126}
127

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