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Enable ignore_hole_birth module option by default

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Enable ignore_hole_birth by default until all known hole birth bugs
have been resolved and relevant test cases added.

Reviewed-by: Boris Protopopov <boris.protopopov@actifio.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4809
Closes #5099
This commit is contained in:
Brian Behlendorf 2016-09-16 14:05:30 -07:00 committed by GitHub
parent f448f8cddd
commit 9ea9e0b9a1
2 changed files with 2 additions and 2 deletions
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2
man/man5/zfs-module-parameters.5
View File

@ -34,7 +34,7 @@ When set, the hole_birth optimization will not be used, and all holes will
always be sent on zfs send. Useful if you suspect your datasets are affected
by a bug in hole_birth.
.sp
Use \fB1\fR for on and \fB0\fR (default) for off.
Use \fB1\fR for on (default) and \fB0\fR for off.
.RE
.sp

2
module/zfs/dmu_traverse.c
View File

@ -39,7 +39,7 @@
#include <sys/zfeature.h>
int32_t zfs_pd_bytes_max = 50 * 1024 * 1024; /* 50MB */
int32_t ignore_hole_birth = 0;
int32_t ignore_hole_birth = 1;
typedef struct prefetch_data {
kmutex_t pd_mtx;