diff options
| author | Javier González <jg@lightnvm.io> | 2017-06-30 17:56:40 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-30 19:08:18 +0200 |
| commit | ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83 (patch) | |
| tree | cd5e6be51067d2eb47fa42c031a723644593d94f /drivers/lightnvm/pblk-rb.c | |
| parent | lightnvm: pblk: use vmalloc for GC data buffer (diff) | |
| download | linux-ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83.tar.xz linux-ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83.zip | |
lightnvm: pblk: remove target using async. I/Os
When removing a pblk instance, pad the current line using asynchronous
I/O. This reduces the removal time from ~1 minute in the worst case to a
couple of seconds.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-rb.c')
| -rw-r--r-- | drivers/lightnvm/pblk-rb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c index 2dda874af890..7300be98e831 100644 --- a/drivers/lightnvm/pblk-rb.c +++ b/drivers/lightnvm/pblk-rb.c @@ -180,6 +180,14 @@ unsigned int pblk_rb_read_count(struct pblk_rb *rb) return pblk_rb_ring_count(mem, subm, rb->nr_entries); } +unsigned int pblk_rb_sync_count(struct pblk_rb *rb) +{ + unsigned int mem = READ_ONCE(rb->mem); + unsigned int sync = READ_ONCE(rb->sync); + + return pblk_rb_ring_count(mem, sync, rb->nr_entries); +} + unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int nr_entries) { unsigned int subm; |