diff options
| author | Javier González <jg@lightnvm.io> | 2017-06-30 17:56:40 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-30 11:08:18 -0600 |
| commit | ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83 (patch) | |
| tree | cd5e6be51067d2eb47fa42c031a723644593d94f /drivers/lightnvm/pblk.h | |
| parent | de54e703a4229e4688eb77b32b1c27861384e22a (diff) | |
| download | linux-ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83.tar.bz2 | |
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.h')
| -rw-r--r-- | drivers/lightnvm/pblk.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index cdad2c9edbdf..bf5b73fb345f 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -111,6 +111,13 @@ struct pblk_g_ctx { void *private; }; +/* Pad context */ +struct pblk_pad_rq { + struct pblk *pblk; + struct completion wait; + struct kref ref; +}; + /* Recovery context */ struct pblk_rec_ctx { struct pblk *pblk; @@ -674,6 +681,7 @@ void pblk_rb_sync_end(struct pblk_rb *rb, unsigned long *flags); unsigned int pblk_rb_sync_point_count(struct pblk_rb *rb); unsigned int pblk_rb_read_count(struct pblk_rb *rb); +unsigned int pblk_rb_sync_count(struct pblk_rb *rb); unsigned int pblk_rb_wrap_pos(struct pblk_rb *rb, unsigned int pos); int pblk_rb_tear_down_check(struct pblk_rb *rb); |