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| author | David S. Miller <davem@davemloft.net> | 2019-09-02 11:20:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-02 11:20:17 -0700 |
| commit | 765b7590c92d849806e9a27ab3a5a17cfc6a47a9 (patch) | |
| tree | 4387f5034f870accfd2bb56997c535159da45f06 /drivers/block | |
| parent | 4bc61b0b16955322576265724ab0a0075a30dc84 (diff) | |
| parent | 089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff) | |
| download | linux-next-765b7590c92d849806e9a27ab3a5a17cfc6a47a9.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
r8152 conflicts are the NAPI fixes in 'net' overlapping with
some tasklet stuff in net-next
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 3327192bb71f..c8fb886aebd4 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3038,6 +3038,17 @@ again: } return true; case RBD_OBJ_READ_PARENT: + /* + * The parent image is read only up to the overlap -- zero-fill + * from the overlap to the end of the request. + */ + if (!*result) { + u32 obj_overlap = rbd_obj_img_extents_bytes(obj_req); + + if (obj_overlap < obj_req->ex.oe_len) + rbd_obj_zero_range(obj_req, obj_overlap, + obj_req->ex.oe_len - obj_overlap); + } return true; default: BUG(); |