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| author | Hans Holmberg <hans.holmberg@cnexlabs.com> | 2018-06-01 16:41:13 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-06-01 09:02:53 -0600 |
| commit | cc9c9a00b10eaf33abe1cece2c05ea34601af21b (patch) | |
| tree | fb118d35b601bc76bb3281d2c26ed33eaeab0710 /drivers/lightnvm/pblk-cache.c | |
| parent | b06be2873d916e58c00ecfa664c22a75fa721260 (diff) | |
| download | linux-cc9c9a00b10eaf33abe1cece2c05ea34601af21b.tar.gz | |
lightnvm: pblk: kick writer on new flush points
Unless we kick the writer directly when setting a new flush point, the user risks having to wait for up to one second (the default timeout for the write thread to be kicked) for the IO to complete. Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-cache.c')
| -rw-r--r-- | drivers/lightnvm/pblk-cache.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/lightnvm/pblk-cache.c b/drivers/lightnvm/pblk-cache.c index 29a23111b31c..b1c6d7eb6115 100644 --- a/drivers/lightnvm/pblk-cache.c +++ b/drivers/lightnvm/pblk-cache.c @@ -44,13 +44,15 @@ retry: goto out; } - if (unlikely(!bio_has_data(bio))) - goto out; - pblk_ppa_set_empty(&w_ctx.ppa); w_ctx.flags = flags; - if (bio->bi_opf & REQ_PREFLUSH) + if (bio->bi_opf & REQ_PREFLUSH) { w_ctx.flags |= PBLK_FLUSH_ENTRY; + pblk_write_kick(pblk); + } + + if (unlikely(!bio_has_data(bio))) + goto out; for (i = 0; i < nr_entries; i++) { void *data = bio_data(bio); |