diff options
| author | Matthew Sakai <msakai@redhat.com> | 2023-11-16 20:13:06 -0500 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2024-02-20 13:43:14 -0500 |
| commit | b0530561331c12dd6abf480e09e3deff84899bd1 (patch) | |
| tree | 2995ecec82b5acf230b05072ef9b2a0fc52e21ad /drivers/md/dm-vdo/dedupe.h | |
| parent | cfaf07fae7a262865a67b6010eef3bc0a1ae50b2 (diff) | |
dm vdo: add use of deduplication index in hash zones
Add the data and methods that manage queries to the deduplication
index and the responses from the index.
Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net>
Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net>
Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev>
Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev>
Co-developed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Co-developed-by: Bruce Johnston <bjohnsto@redhat.com>
Signed-off-by: Bruce Johnston <bjohnsto@redhat.com>
Co-developed-by: Ken Raeburn <raeburn@redhat.com>
Signed-off-by: Ken Raeburn <raeburn@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md/dm-vdo/dedupe.h')
| -rw-r--r-- | drivers/md/dm-vdo/dedupe.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/md/dm-vdo/dedupe.h b/drivers/md/dm-vdo/dedupe.h index f4b091efc27e..90c5779bfe70 100644 --- a/drivers/md/dm-vdo/dedupe.h +++ b/drivers/md/dm-vdo/dedupe.h @@ -91,4 +91,30 @@ struct hash_zone * __must_check vdo_select_hash_zone(struct hash_zones *zones, void vdo_dump_hash_zones(struct hash_zones *zones); +const char *vdo_get_dedupe_index_state_name(struct hash_zones *zones); + +u64 vdo_get_dedupe_index_timeout_count(struct hash_zones *zones); + +int vdo_message_dedupe_index(struct hash_zones *zones, const char *name); + +int vdo_add_dedupe_index_sysfs(struct hash_zones *zones); + +void vdo_start_dedupe_index(struct hash_zones *zones, bool create_flag); + +void vdo_resume_hash_zones(struct hash_zones *zones, struct vdo_completion *parent); + +void vdo_finish_dedupe_index(struct hash_zones *zones); + +/* Interval (in milliseconds) from submission until switching to fast path and skipping UDS. */ +extern unsigned int vdo_dedupe_index_timeout_interval; + +/* + * Minimum time interval (in milliseconds) between timer invocations to check for requests waiting + * for UDS that should now time out. + */ +extern unsigned int vdo_dedupe_index_min_timer_interval; + +void vdo_set_dedupe_index_timeout_interval(unsigned int value); +void vdo_set_dedupe_index_min_timer_interval(unsigned int value); + #endif /* VDO_DEDUPE_H */ |