c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-23 02:44:41 +03:00
Code Issues Packages Projects Releases Wiki Activity

port async unlinked drain from illumos-nexenta

Browse Source 
This patch is an async implementation of the existing sync
zfs_unlinked_drain() function. This function is called at mount time and
is responsible for freeing znodes that we didn't get to freeing before.
We don't have to hold mounting of the dataset until the unlinked list is
fully drained as is done now. Since we can process the unlinked set
asynchronously this results in a better user experience when mounting a
dataset with entries in the unlinked set.

Reviewed by: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #8142
This commit is contained in:
Alek P
2019-02-12 10:41:15 -08:00
committed by Brian Behlendorf
parent 425d3237ee
commit dcec0a12c8
13 changed files with 300 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/dsl_pool.h
+2
View File
@@ -96,6 +96,7 @@ typedef struct dsl_pool {
struct dsl_dataset *dp_origin_snap;
uint64_t dp_root_dir_obj;
struct taskq *dp_iput_taskq;
struct taskq *dp_unlinked_drain_taskq;
/* No lock needed - sync context only */
blkptr_t dp_meta_rootbp;
@@ -176,6 +177,7 @@ boolean_t dsl_pool_config_held(dsl_pool_t *dp);
boolean_t dsl_pool_config_held_writer(dsl_pool_t *dp);
taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp);
taskq_t *dsl_pool_unlinked_drain_taskq(dsl_pool_t *dp);
int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,
const char *tag, uint64_t now, dmu_tx_t *tx);