imrcpan/freebsd
1
0 Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2026-10-31 04:45:39 +01:00
Code Issues Packages Projects Releases Wiki Activity

Small fix to prefetch ranges aggregation

Browse Source 
When after #16022 adding new range we aggregate more than two
existing ranges, that should be very rare, only if several streams
overlap, we may need to zero not the last range, but some earlier.

Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by:	Alexander Motin <[email protected]>
Sponsored by:	iXsystems, Inc.
Closes #16072
This commit is contained in:
Alexander Motin authored and Brian Behlendorf committed 2024-04-19 10:13:38 -07:00
1 parent 97d7228f42
commit f4ce02ae42
1 file changed
+2 -2
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/dmu_zfetch.c
+2 -2
View File
@@ -418,8 +418,8 @@ dmu_zfetch_future(zstream_t *zs, uint64_t blkid, uint64_t nblks)
zs->zs_ranges[f].start = zs->zs_ranges[l].start;
zs->zs_ranges[f].end = zs->zs_ranges[l].end;
}
zs->zs_ranges[ZFETCH_RANGES - 1].start = 0;
zs->zs_ranges[ZFETCH_RANGES - 1].end = 0;
zs->zs_ranges[f].start = 0;
zs->zs_ranges[f].end = 0;
}
} else if (i < ZFETCH_RANGES) {
/* Got no intersecting ranges, insert new one. */