diff options
| author | Javier González <javier@javigon.com> | 2018-10-09 13:12:08 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-10-09 16:25:08 +0200 |
| commit | dde4aac20babee040875f76842a31b14b76dd369 (patch) | |
| tree | c38a7e2cc92730e9fab8e98b6e1aae67d4712094 /drivers/lightnvm | |
| parent | lightnvm: pblk: fix race on sysfs line state (diff) | |
| download | linux-dde4aac20babee040875f76842a31b14b76dd369.tar.xz linux-dde4aac20babee040875f76842a31b14b76dd369.zip | |
lightnvm: pblk: remove unused function
Removed unused function in pblk-rb.c
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/pblk-rb.c | 26 | ||||
| -rw-r--r-- | drivers/lightnvm/pblk.h | 2 |
2 files changed, 0 insertions, 28 deletions
diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c index c26eab2ba8bd..82829e8151db 100644 --- a/drivers/lightnvm/pblk-rb.c +++ b/drivers/lightnvm/pblk-rb.c @@ -729,32 +729,6 @@ unsigned int pblk_rb_flush_point_count(struct pblk_rb *rb) return (submitted < to_flush) ? (to_flush - submitted) : 0; } -/* - * Scan from the current position of the sync pointer to find the entry that - * corresponds to the given ppa. This is necessary since write requests can be - * completed out of order. The assumption is that the ppa is close to the sync - * pointer thus the search will not take long. - * - * The caller of this function must guarantee that the sync pointer will no - * reach the entry while it is using the metadata associated with it. With this - * assumption in mind, there is no need to take the sync lock. - */ -struct pblk_rb_entry *pblk_rb_sync_scan_entry(struct pblk_rb *rb, - struct ppa_addr *ppa) -{ - unsigned int sync, subm, count; - unsigned int i; - - sync = READ_ONCE(rb->sync); - subm = READ_ONCE(rb->subm); - count = pblk_rb_ring_count(subm, sync, rb->nr_entries); - - for (i = 0; i < count; i++) - sync = (sync + 1) & (rb->nr_entries - 1); - - return NULL; -} - int pblk_rb_tear_down_check(struct pblk_rb *rb) { struct pblk_rb_entry *entry; diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index e710f6db2a35..22586b78198a 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -760,8 +760,6 @@ unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int entries); unsigned int pblk_rb_sync_init(struct pblk_rb *rb, unsigned long *flags); unsigned int pblk_rb_sync_advance(struct pblk_rb *rb, unsigned int nr_entries); -struct pblk_rb_entry *pblk_rb_sync_scan_entry(struct pblk_rb *rb, - struct ppa_addr *ppa); void pblk_rb_sync_end(struct pblk_rb *rb, unsigned long *flags); unsigned int pblk_rb_flush_point_count(struct pblk_rb *rb); |