http://defect.opensolaris.org/bz/show_bug.cgi?id=2074
Darren J Moffat <darrenm at opensolaris.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ACCEPTED |FIXINPROGRESS
--- Comment #2 from Darren J Moffat <darrenm at opensolaris.org> 2008-05-29
08:19:30 ---
This is similar to the ZIL case. I believe the fix is to do in
zvol_log_write() what was done in zfs_log_write() which is to never use
WR_INDIRECT when encryption is enabled for the dataset.
diff -r f30d4d60a670 usr/src/uts/common/fs/zfs/zvol.c
--- a/usr/src/uts/common/fs/zfs/zvol.c Thu May 29 15:40:23 2008 +0100
+++ b/usr/src/uts/common/fs/zfs/zvol.c Thu May 29 16:15:27 2008 +0100
@@ -1124,8 +1124,12 @@
ssize_t nbytes = MIN(len, blocksize - P2PHASE(off, blocksize));
itx_t *itx = zil_itx_create(TX_WRITE, sizeof (*lr));
- itx->itx_wr_state =
- len > zvol_immediate_write_sz ? WR_INDIRECT :
WR_NEED_COPY;
+ if (len > zvol_immediate_write_sz &&
+ zv->zv_objset->os_crypt != ZIO_CRYPT_OFF) {
+ itx->itx_wr_state = WR_INDIRECT;
+ } else {
+ itx->itx_wr_state = WR_NEED_COPY;
+ }
itx->itx_private = zv;
lr = (lr_write_t *)&itx->itx_lr
--
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