X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fzvol.c;h=ba26543f783a155e6e5e9564277c6f0c1d5e1fb6;hb=ab85f8455b995741c479f1cdcf21304de87fdaa8;hp=9b13134024f8964b080dffd0d33862e2d433731e;hpb=710114089fd7032125b6a2c24b24483c90a87907;p=zfs.git

diff --git a/module/zfs/zvol.c b/module/zfs/zvol.c
index 9b13134..ba26543 100644
--- a/module/zfs/zvol.c
+++ b/module/zfs/zvol.c
@@ -459,11 +459,15 @@ zvol_log_write(zvol_state_t *zv, dmu_tx_t *tx,
 	uint32_t blocksize = zv->zv_volblocksize;
 	zilog_t *zilog = zv->zv_zilog;
 	boolean_t slogging;
+	ssize_t immediate_write_sz;
 
 	if (zil_replaying(zilog, tx))
 		return;
 
-	slogging = spa_has_slogs(zilog->zl_spa);
+	immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT)
+		? 0 : zvol_immediate_write_sz;
+	slogging = spa_has_slogs(zilog->zl_spa) &&
+		(zilog->zl_logbias == ZFS_LOGBIAS_LATENCY);
 
 	while (size) {
 		itx_t *itx;
@@ -475,7 +479,7 @@ zvol_log_write(zvol_state_t *zv, dmu_tx_t *tx,
 		 * Unlike zfs_log_write() we can be called with
 		 * up to DMU_MAX_ACCESS/2 (5MB) writes.
 		 */
-		if (blocksize > zvol_immediate_write_sz && !slogging &&
+		if (blocksize > immediate_write_sz && !slogging &&
 		    size >= blocksize && offset % blocksize == 0) {
 			write_state = WR_INDIRECT; /* uses dmu_sync */
 			len = blocksize;