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Add vfs.zfs.zil_log_limit sysctl.

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It is at least partially broken now, but that is another question.
This commit is contained in:
Alexander Motin 2016-10-16 18:49:15 +00:00
parent a82ab41168
commit 9be66df1e1
1 changed files with 2 additions and 0 deletions
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2
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c
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@ -924,6 +924,8 @@ uint64_t zil_block_buckets[] = {
* Limit checking is disabled by setting zil_slog_limit to UINT64_MAX.
*/
uint64_t zil_slog_limit = 1024 * 1024;
SYSCTL_QUAD(_vfs_zfs, OID_AUTO, zil_slog_limit, CTLFLAG_RWTUN,
&zil_slog_limit, 0, "Maximal commit size to use SLOG");
#define USE_SLOG(zilog) (((zilog)->zl_logbias == ZFS_LOGBIAS_LATENCY) && \
(((zilog)->zl_cur_used < zil_slog_limit) || \
((zilog)->zl_itx_list_sz < (zil_slog_limit << 1))))