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| author | Dan McDonald <danmcd@joyent.com> | 2021-02-23 11:32:51 -0500 |
|---|---|---|
| committer | Dan McDonald <danmcd@joyent.com> | 2021-02-23 11:32:51 -0500 |
| commit | 3d88c2f20e351d05b723f43f0667e6b3daa0db5e (patch) | |
| tree | 0134846e43cc3075c8e1b933abcbc1631dcfe74c /usr/src | |
| parent | 68f8cc88139189fdc033b24b48588c2e47ffe60e (diff) | |
| parent | b639505692797add0a13ee545fd6ca20d63f89fd (diff) | |
| download | illumos-joyent-3d88c2f20e351d05b723f43f0667e6b3daa0db5e.tar.gz | |
[illumos-gate merge]
commit b639505692797add0a13ee545fd6ca20d63f89fd
13389 After persistent L2ARC import, cache device has constant 8KB/sec load
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 e7e58ab8d9..e88213a491 100644 --- a/usr/src/uts/common/fs/zfs/arc.c +++ b/usr/src/uts/common/fs/zfs/arc.c @@ -8360,6 +8360,7 @@ 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); @@ -8578,7 +8579,8 @@ 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); } |