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| author | George Amanakis <gamanakis@gmail.com> | 2021-02-11 11:24:24 -0500 |
|---|---|---|
| committer | Dan McDonald <danmcd@joyent.com> | 2021-02-22 19:42:23 -0500 |
| commit | b639505692797add0a13ee545fd6ca20d63f89fd (patch) | |
| tree | a61aa8cc0a4ed2f3a6474dfecb1489baa580186a /usr/src | |
| parent | 6859ab0054a96093394fe85f055fac9cf93b38ee (diff) | |
| download | illumos-joyent-b639505692797add0a13ee545fd6ca20d63f89fd.tar.gz | |
13389 After persistent L2ARC import, cache device has constant 8KB/sec load
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Dan McDonald <danmcd@joyent.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Jason King <jbk@joyent.com>
Approved by: Gordon Ross <gordon.w.ross@gmail.com>
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/arc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr/src/uts/common/fs/zfs/arc.c b/usr/src/uts/common/fs/zfs/arc.c index 9a962b420e..58dee19c24 100644 --- a/usr/src/uts/common/fs/zfs/arc.c +++ b/usr/src/uts/common/fs/zfs/arc.c @@ -8347,6 +8347,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz) l2arc_write_callback_t *cb = NULL; zio_t *pio, *wzio; uint64_t guid = spa_load_guid(spa); + l2arc_dev_hdr_phys_t *l2dhdr = dev->l2ad_dev_hdr; ASSERT3P(dev->l2ad_vdev, !=, NULL); @@ -8565,7 +8566,8 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz) * Although we did not write any buffers l2ad_evict may * have advanced. */ - l2arc_dev_hdr_update(dev); + if (dev->l2ad_evict != l2dhdr->dh_evict) + l2arc_dev_hdr_update(dev); return (0); } |