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Remove unused vdev_t fields 

The following fields from the vdev_t struct are not used anywhere.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8285
This commit is contained in:
Serapheim Dimitropoulos 2019-01-17 15:41:12 -08:00 committed by Brian Behlendorf
parent 52b684236d
commit 75058f3303
2 changed files with 0 additions and 13 deletions
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11
include/sys/vdev_impl.h
View File

@ -254,7 +254,6 @@ struct vdev {
uint64_t vdev_islog; /* is an intent log device */
uint64_t vdev_removing; /* device is being removed? */
boolean_t vdev_ishole; /* is a hole in the namespace */
kmutex_t vdev_queue_lock; /* protects vdev_queue_depth */
uint64_t vdev_top_zap;
vdev_alloc_bias_t vdev_alloc_bias; /* metaslab allocation bias */
@ -314,16 +313,6 @@ struct vdev {
range_tree_t *vdev_obsolete_segments;
space_map_t *vdev_obsolete_sm;
/*
* The queue depth parameters determine how many async writes are
* still pending (i.e. allocated but not yet issued to disk) per
* top-level (vdev_async_write_queue_depth) and the maximum allowed
* (vdev_max_async_write_queue_depth). These values only apply to
* top-level vdevs.
*/
uint64_t vdev_async_write_queue_depth;
uint64_t vdev_max_async_write_queue_depth;
/*
* Protects the vdev_scan_io_queue field itself as well as the
* structure's contents (when present).

2
module/zfs/vdev.c
View File

@ -534,7 +534,6 @@ vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
mutex_init(&vd->vdev_dtl_lock, NULL, MUTEX_NOLOCKDEP, NULL);
mutex_init(&vd->vdev_stat_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_probe_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_queue_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_scan_io_queue_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_initialize_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_initialize_io_lock, NULL, MUTEX_DEFAULT, NULL);
@ -968,7 +967,6 @@ vdev_free(vdev_t *vd)
rw_destroy(&vd->vdev_indirect_rwlock);
mutex_destroy(&vd->vdev_obsolete_lock);
mutex_destroy(&vd->vdev_queue_lock);
mutex_destroy(&vd->vdev_dtl_lock);
mutex_destroy(&vd->vdev_stat_lock);
mutex_destroy(&vd->vdev_probe_lock);