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| author | mav <mav@FreeBSD.org> | 2015-10-05 13:33:02 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2015-10-05 13:33:02 +0000 |
| commit | 25cdfab843668a71e4ccbc2150a9d0c737280b21 (patch) | |
| tree | c95126c244e9a7dbf1e4ba526695c2d3f6388aa2 /sys/cddl | |
| parent | 5a4270f056c37efa6156c7709315b08e5e636b2e (diff) | |
| download | FreeBSD-src-25cdfab843668a71e4ccbc2150a9d0c737280b21.zip FreeBSD-src-25cdfab843668a71e4ccbc2150a9d0c737280b21.tar.gz | |
MFC r288579: Restore original array_rd_sz semantics.
Before r278702 prefetch was blocked for I/Os > 1MB, after -- >= 1MB.
1MB I/Os are used for bulk operations in CTL (XCOPY, VERIFY), and disabling
prefetch for them reduced the performance.
Diffstat (limited to 'sys/cddl')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c index bdb85d8..fe6f60d 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c @@ -450,7 +450,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length, } if ((flags & DMU_READ_NO_PREFETCH) == 0 && read && - length < zfetch_array_rd_sz) { + length <= zfetch_array_rd_sz) { dmu_zfetch(&dn->dn_zfetch, blkid, nblks); } rw_exit(&dn->dn_struct_rwlock); |
