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| author | mav <mav@FreeBSD.org> | 2014-02-18 14:56:44 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-02-18 14:56:44 +0000 |
| commit | afa027f3f568c9647fd596026f6fb803d3d2887c (patch) | |
| tree | f94da5e3940ad76ae8f99c33caed183e591cb38f | |
| parent | c9f2fff1da752248a19cc8a978f43fd521639708 (diff) | |
| download | FreeBSD-src-afa027f3f568c9647fd596026f6fb803d3d2887c.zip FreeBSD-src-afa027f3f568c9647fd596026f6fb803d3d2887c.tar.gz | |
MFC r260236:
In dmu_zfetch_stream_reclaim() replace division with multiplication and
move it out of the loop and lock.
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c index 647ad9e..d51a981 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c @@ -604,14 +604,16 @@ static zstream_t * dmu_zfetch_stream_reclaim(zfetch_t *zf) { zstream_t *zs; + clock_t ticks; + ticks = zfetch_min_sec_reap * hz; if (! rw_tryenter(&zf->zf_rwlock, RW_WRITER)) return (0); for (zs = list_head(&zf->zf_stream); zs; zs = list_next(&zf->zf_stream, zs)) { - if (((ddi_get_lbolt() - zs->zst_last)/hz) > zfetch_min_sec_reap) + if (ddi_get_lbolt() - zs->zst_last > ticks) break; } |
