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Add missing module_param for zfs_per_txg_dirty_frees_percent #5750

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merged 1 commit into from Feb 7, 2017
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Add missing module_param for zfs_per_txg_dirty_frees_percent #5750

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16 changes: 16 additions & 0 deletions man/man5/zfs-module-parameters.5
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Expand Up @@ -1438,6 +1438,22 @@ The number of bytes which should be prefetched during a pool traversal
Default value: \fB52,428,800\fR.
.RE

.sp
.ne 2
.na
\fBzfs_per_txg_dirty_frees_percent \fR (ulong)
.ad
.RS 12n
Tunable to control percentage of dirtied blocks from frees in one TXG.
After this threshold is crossed, additional dirty blocks from frees
wait until the next TXG.
A value of zero will disable this throttle.
.sp
Default value: \fB30\fR and \fB0\fR to disable.
.RE



.sp
.ne 2
.na
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7 changes: 6 additions & 1 deletion module/zfs/dmu.c
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Expand Up @@ -65,7 +65,7 @@ int zfs_nopwrite_enabled = 1;
* wait until the next TXG.
* A value of zero will disable this throttle.
*/
uint32_t zfs_per_txg_dirty_frees_percent = 30;
unsigned long zfs_per_txg_dirty_frees_percent = 30;

const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = {
{ DMU_BSWAP_UINT8, TRUE, "unallocated" },
Expand Down Expand Up @@ -2228,10 +2228,15 @@ EXPORT_SYMBOL(dmu_assign_arcbuf);
EXPORT_SYMBOL(dmu_buf_hold);
EXPORT_SYMBOL(dmu_ot);

/* BEGIN CSTYLED */
module_param(zfs_mdcomp_disable, int, 0644);
MODULE_PARM_DESC(zfs_mdcomp_disable, "Disable meta data compression");

module_param(zfs_nopwrite_enabled, int, 0644);
MODULE_PARM_DESC(zfs_nopwrite_enabled, "Enable NOP writes");

module_param(zfs_per_txg_dirty_frees_percent, ulong, 0644);
MODULE_PARM_DESC(zfs_per_txg_dirty_frees_percent,
"percentage of dirtied blocks from frees in one TXG");
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Missing /* END CSTYLED */.

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Will do

/* END CSTYLED */
#endif