diff options
| author | avg <avg@FreeBSD.org> | 2017-11-17 10:10:22 +0000 |
|---|---|---|
| committer | avg <avg@FreeBSD.org> | 2017-11-17 10:10:22 +0000 |
| commit | dc41f5f70f090bc3ca4473f715a1cb1807327048 (patch) | |
| tree | bbe44c2886df69fb546db721628891569b64f728 /sys/cddl | |
| parent | ad008a5c71796cfbcc185e0a8aa3bca0cd69f6f8 (diff) | |
| download | FreeBSD-src-dc41f5f70f090bc3ca4473f715a1cb1807327048.zip FreeBSD-src-dc41f5f70f090bc3ca4473f715a1cb1807327048.tar.gz | |
MFC r325610: MFV r325609: 7531 Assign correct flags to prefetched buffers
Diffstat (limited to 'sys/cddl')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c | 12 | ||||
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h | 6 |
2 files changed, 18 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c index fbacd8c..e5701c7 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c @@ -2373,6 +2373,10 @@ dbuf_prefetch_indirect_done(zio_t *zio, arc_buf_t *abuf, void *private) arc_flags_t iter_aflags = ARC_FLAG_NOWAIT; zbookmark_phys_t zb; + /* flag if L2ARC eligible, l2arc_noprefetch then decides */ + if (dpa->dpa_aflags & ARC_FLAG_L2CACHE) + iter_aflags |= ARC_FLAG_L2CACHE; + ASSERT3U(dpa->dpa_curlevel, ==, BP_GET_LEVEL(bp)); SET_BOOKMARK(&zb, dpa->dpa_zb.zb_objset, @@ -2482,6 +2486,10 @@ dbuf_prefetch(dnode_t *dn, int64_t level, uint64_t blkid, zio_priority_t prio, dpa->dpa_epbs = epbs; dpa->dpa_zio = pio; + /* flag if L2ARC eligible, l2arc_noprefetch then decides */ + if (DNODE_LEVEL_IS_L2CACHEABLE(dn, level)) + dpa->dpa_aflags |= ARC_FLAG_L2CACHE; + /* * If we have the indirect just above us, no need to do the asynchronous * prefetch chain; we'll just run the last step ourselves. If we're at @@ -2497,6 +2505,10 @@ dbuf_prefetch(dnode_t *dn, int64_t level, uint64_t blkid, zio_priority_t prio, arc_flags_t iter_aflags = ARC_FLAG_NOWAIT; zbookmark_phys_t zb; + /* flag if L2ARC eligible, l2arc_noprefetch then decides */ + if (DNODE_LEVEL_IS_L2CACHEABLE(dn, level)) + iter_aflags |= ARC_FLAG_L2CACHE; + SET_BOOKMARK(&zb, ds != NULL ? ds->ds_object : DMU_META_OBJSET, dn->dn_object, curlevel, curblkid); (void) arc_read(dpa->dpa_zio, dpa->dpa_spa, diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h index 6862599..90a0f22 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h @@ -347,6 +347,12 @@ boolean_t dbuf_is_metadata(dmu_buf_impl_t *db); (dbuf_is_metadata(_db) && \ ((_db)->db_objset->os_secondary_cache == ZFS_CACHE_METADATA))) +#define DNODE_LEVEL_IS_L2CACHEABLE(_dn, _level) \ + ((_dn)->dn_objset->os_secondary_cache == ZFS_CACHE_ALL || \ + (((_level) > 0 || \ + DMU_OT_IS_METADATA((_dn)->dn_handle->dnh_dnode->dn_type)) && \ + ((_dn)->dn_objset->os_secondary_cache == ZFS_CACHE_METADATA))) + #ifdef ZFS_DEBUG /* |
