On 3/8/21 11:25 AM, JeffleXu wrote: > Hi, Mike, > > Would you please spare some time to review the following patches for > stable tree? > > - [1] for 4.19.y > - [2] for 5.4.y > > While backporting [3] for stable tree, there's some extra code specific > to stable tree needs to be fixed, see [4] for the background info. > > [1] https://www.spinics.net/lists/stable/msg448749.html > [2] https://www.spinics.net/lists/stable/msg448754.html > [3] > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.12-rc2&id=a4c8dd9c2d0987cf542a2a0c42684c9c6d78a04e > [4] https://www.spinics.net/lists/stable/msg448760.html > > Also hold on until I send a new version. Sorry for the noise. Thanks, Jeffle > > > On 3/5/21 2:55 PM, Jeffle Xu wrote: >> Similar to commit a4c8dd9c2d09 ("dm table: fix iterate_devices based >> device capability checks"), fix partial completion capability check and >> invert logic of the corresponding iterate_devices_callout_fn so that all >> devices' partial completion capabilities are properly checked. >> >> Signed-off-by: Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx> >> Fixes: 22c11858e800 ("dm: introduce DM_TYPE_NVME_BIO_BASED") >> --- >> drivers/md/dm-table.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c >> index 5a94e6dc0b70..1f745d371957 100644 >> --- a/drivers/md/dm-table.c >> +++ b/drivers/md/dm-table.c >> @@ -1772,18 +1772,18 @@ static int queue_no_sg_merge(struct dm_target *ti, struct dm_dev *dev, >> return q && test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); >> } >> >> -static int device_no_partial_completion(struct dm_target *ti, struct dm_dev *dev, >> +static int device_is_partial_completion(struct dm_target *ti, struct dm_dev *dev, >> sector_t start, sector_t len, void *data) >> { >> char b[BDEVNAME_SIZE]; >> >> /* For now, NVMe devices are the only devices of this class */ >> - return (strncmp(bdevname(dev->bdev, b), "nvme", 4) == 0); >> + return (strncmp(bdevname(dev->bdev, b), "nvme", 4) != 0); >> } >> >> static bool dm_table_does_not_support_partial_completion(struct dm_table *t) >> { >> - return dm_table_all_devices_attribute(t, device_no_partial_completion); >> + return !dm_table_any_dev_attr(t, device_is_partial_completion); >> } >> >> static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev, >> > -- Thanks, Jeffle