diff options
| author | George Amanakis <[email protected]> | 2020-04-10 13:33:35 -0400 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-04-10 10:33:35 -0700 |
| commit | 77f6826b83b7e27f0996f6d192202c36f65e41fd (patch) | |
| tree | b9946c99348bf6742cc41739aeff1a2b952d9d2f /module/os | |
| parent | 36a6e2335c45212f2609269bcee3004908ac6bcb (diff) | |
Persistent L2ARC
This commit makes the L2ARC persistent across reboots. We implement
a light-weight persistent L2ARC metadata structure that allows L2ARC
contents to be recovered after a reboot. This significantly eases the
impact a reboot has on read performance on systems with large caches.
Reviewed-by: Matthew Ahrens <[email protected]>
Reviewed-by: George Wilson <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Co-authored-by: Saso Kiselkov <[email protected]>
Co-authored-by: Jorgen Lundman <[email protected]>
Co-authored-by: George Amanakis <[email protected]>
Ported-by: Yuxuan Shui <[email protected]>
Signed-off-by: George Amanakis <[email protected]>
Closes #925
Closes #1823
Closes #2672
Closes #3744
Closes #9582
Diffstat (limited to 'module/os')
| -rw-r--r-- | module/os/linux/zfs/zfs_sysfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/module/os/linux/zfs/zfs_sysfs.c b/module/os/linux/zfs/zfs_sysfs.c index bb7f3b69a..fb7c68987 100644 --- a/module/os/linux/zfs/zfs_sysfs.c +++ b/module/os/linux/zfs/zfs_sysfs.c @@ -353,13 +353,14 @@ pool_property_show(struct kobject *kobj, struct attribute *attr, char *buf) * This list is intended for kernel features that don't have a pool feature * association or that extend existing user kernel interfaces. * - * A user processes can easily check if the running zfs kernel module + * A user process can easily check if the running zfs kernel module * supports the new feature. */ static const char *zfs_kernel_features[] = { /* --> Add new kernel features here */ "com.delphix:vdev_initialize", "org.zfsonlinux:vdev_trim", + "org.openzfs:l2arc_persistent", }; #define KERNEL_FEATURE_COUNT ARRAY_SIZE(zfs_kernel_features) |