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authorCyril Plisko <[email protected]>2012-10-08 20:02:20 +0200
committerBrian Behlendorf <[email protected]>2012-10-11 11:09:21 -0700
commit15fd274973be58f2851bf9d8e8d913b4c10151a6 (patch)
treed38efd3c123b91f2e9095f9d198a07abd91633d0
parent5b7e5b5ab980ecfce7381820a1b952dc1af5a7bb (diff)
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 <[email protected]> Closes #1032
-rw-r--r--module/zfs/zfs_log.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/module/zfs/zfs_log.c b/module/zfs/zfs_log.c
index 4d9e13d50..cbd6f1cb4 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