diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
-rw-r--r-- | drivers/block/drbd/drbd_int.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 1e47db57b9d2..000a2f4c0e92 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -430,7 +430,11 @@ enum { __EE_MAY_SET_IN_SYNC, /* is this a TRIM aka REQ_OP_DISCARD? */ - __EE_IS_TRIM, + __EE_TRIM, + /* explicit zero-out requested, or + * our lower level cannot handle trim, + * and we want to fall back to zeroout instead */ + __EE_ZEROOUT, /* In case a barrier failed, * we need to resubmit without the barrier flag. */ @@ -472,7 +476,8 @@ enum { }; #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO) #define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC) -#define EE_IS_TRIM (1<<__EE_IS_TRIM) +#define EE_TRIM (1<<__EE_TRIM) +#define EE_ZEROOUT (1<<__EE_ZEROOUT) #define EE_RESUBMITTED (1<<__EE_RESUBMITTED) #define EE_WAS_ERROR (1<<__EE_WAS_ERROR) #define EE_HAS_DIGEST (1<<__EE_HAS_DIGEST) @@ -1556,6 +1561,8 @@ extern void start_resync_timer_fn(struct timer_list *t); extern void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req); /* drbd_receiver.c */ +extern int drbd_issue_discard_or_zero_out(struct drbd_device *device, + sector_t start, unsigned int nr_sectors, int flags); extern int drbd_receiver(struct drbd_thread *thi); extern int drbd_ack_receiver(struct drbd_thread *thi); extern void drbd_send_ping_wf(struct work_struct *ws); @@ -1609,13 +1616,7 @@ static inline void drbd_tcp_quickack(struct socket *sock) } /* sets the number of 512 byte sectors of our virtual device */ -static inline void drbd_set_my_capacity(struct drbd_device *device, - sector_t size) -{ - /* set_capacity(device->this_bdev->bd_disk, size); */ - set_capacity(device->vdisk, size); - device->this_bdev->bd_inode->i_size = (loff_t)size << 9; -} +void drbd_set_my_capacity(struct drbd_device *device, sector_t size); /* * used to submit our private bio |