From 15fd274973be58f2851bf9d8e8d913b4c10151a6 Mon Sep 17 00:00:00 2001 From: Cyril Plisko Date: Mon, 8 Oct 2012 20:02:20 +0200 Subject: [PATCH] Make zfs_immediate_write_sz a module paramater zfs_immediate_write_sz variable is a tunable, but lacks proper module_param() instrumentation. Signed-off-by: Brian Behlendorf Closes #1032 --- module/zfs/zfs_log.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/module/zfs/zfs_log.c b/module/zfs/zfs_log.c index 4d9e13d..cbd6f1c 100644 --- a/module/zfs/zfs_log.c +++ b/module/zfs/zfs_log.c @@ -449,7 +449,7 @@ zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, /* * zfs_log_write() handles TX_WRITE transactions. */ -ssize_t zfs_immediate_write_sz = 32768; +long zfs_immediate_write_sz = 32768; void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, @@ -464,7 +464,7 @@ zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, return; immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) - ? 0 : zfs_immediate_write_sz; + ? 0 : (ssize_t)zfs_immediate_write_sz; slogging = spa_has_slogs(zilog->zl_spa) && (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY); @@ -675,3 +675,8 @@ zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, itx->itx_sync = (zp->z_sync_cnt != 0); zil_itx_assign(zilog, itx, tx); } + +#if defined(_KERNEL) && defined(HAVE_SPL) +module_param(zfs_immediate_write_sz, long, 0644); +MODULE_PARM_DESC(zfs_immediate_write_sz, "Largest data block to write to zil"); +#endif -- 1.8.3.1