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| 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-core.c | |
| parent | de54e703a4229e4688eb77b32b1c27861384e22a (diff) | |
| download | linux-stable-ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83.tar.gz linux-stable-ee8d5c1ad54e48ec44b6ae9cf91144fcab6ebf83.tar.bz2 linux-stable-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-core.c')
| -rw-r--r-- | drivers/lightnvm/pblk-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 74b8d9db05e1..e6f42cddc8ec 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -273,9 +273,10 @@ static void pblk_flush_writer(struct pblk *pblk) { pblk_rb_flush(&pblk->rwb); do { - if (!pblk_rb_read_count(&pblk->rwb)) + if (!pblk_rb_sync_count(&pblk->rwb)) break; + pblk_write_kick(pblk); schedule(); } while (1); } @@ -1350,6 +1351,7 @@ void pblk_pipeline_stop(struct pblk *pblk) return; } + flush_workqueue(pblk->bb_wq); pblk_line_close_meta_sync(pblk); spin_lock(&l_mg->free_lock); @@ -1547,6 +1549,7 @@ void pblk_line_close_meta_sync(struct pblk *pblk) } pblk_wait_for_meta(pblk); + flush_workqueue(pblk->close_wq); } static void pblk_line_should_sync_meta(struct pblk *pblk) |