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lightnvm: pblk: kick writer on new flush points

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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>
This commit is contained in:
Hans Holmberg
2018-06-01 16:41:13 +02:00
committed by Jens Axboe
parent b06be2873d
commit cc9c9a00b1
4 changed files with 10 additions and 7 deletions
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4
drivers/lightnvm/pblk-rb.c
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@@ -349,7 +349,7 @@ void pblk_rb_write_entry_gc(struct pblk_rb *rb, void *data,
}
static int pblk_rb_flush_point_set(struct pblk_rb *rb, struct bio *bio,
unsigned int pos)
unsigned int pos)
{
struct pblk_rb_entry *entry;
unsigned int sync, flush_point;
@@ -419,7 +419,7 @@ void pblk_rb_flush(struct pblk_rb *rb)
if (pblk_rb_flush_point_set(rb, NULL, mem))
return;
pblk_write_should_kick(pblk);
pblk_write_kick(pblk);
}
static int pblk_rb_may_write_flush(struct pblk_rb *rb, unsigned int nr_entries,