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authorMikulas Patocka <mpatocka@redhat.com>2021-01-08 19:15:56 +0300
committerMike Snitzer <snitzer@redhat.com>2021-01-08 23:57:29 +0300
commit9b5948267adc9e689da609eb61cf7ed49cae5fa8 (patch)
tree341fb881926d76ed49e67fcdd01fbe431301edfe /include/linux/dm-bufio.h
parent0378c625afe80eb3f212adae42cc33c9f6f31abf (diff)
downloadlinux-9b5948267adc9e689da609eb61cf7ed49cae5fa8.tar.xz
dm integrity: fix flush with external metadata device
With external metadata device, flush requests are not passed down to the data device. Fix this by submitting the flush request in dm_integrity_flush_buffers. In order to not degrade performance, we overlap the data device flush with the metadata device flush. Reported-by: Lukas Straub <lukasstraub2@web.de> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'include/linux/dm-bufio.h')
-rw-r--r--include/linux/dm-bufio.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dm-bufio.h b/include/linux/dm-bufio.h
index 29d255fdd5d6..90bd558a17f5 100644
--- a/include/linux/dm-bufio.h
+++ b/include/linux/dm-bufio.h
@@ -150,6 +150,7 @@ void dm_bufio_set_minimum_buffers(struct dm_bufio_client *c, unsigned n);
unsigned dm_bufio_get_block_size(struct dm_bufio_client *c);
sector_t dm_bufio_get_device_size(struct dm_bufio_client *c);
+struct dm_io_client *dm_bufio_get_dm_io_client(struct dm_bufio_client *c);
sector_t dm_bufio_get_block_number(struct dm_buffer *b);
void *dm_bufio_get_block_data(struct dm_buffer *b);
void *dm_bufio_get_aux_data(struct dm_buffer *b);