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Code cleanups

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- Allocate ve_search on the stack, so we avoid allocating memory for
  every I/O even if the VDEV cache is disabled.
- Reduce lock scope.
- Avoid locking in vdev_cache_read() when the VDEV cache is disabled.
- Sort file names properly.
- Correct comment.

Reviewed-by: Allan Jude <allan@klarasystems.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Closes #12749
This commit is contained in:
Pawel Jakub Dawidek
2021-11-30 10:32:38 -08:00
committed by GitHub
parent cfc62062ae
commit 547df81641
5 changed files with 19 additions and 18 deletions
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module/zfs/dbuf.c
+1 -1
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@@ -1997,8 +1997,8 @@ dbuf_free_range(dnode_t *dn, uint64_t start_blkid, uint64_t end_blkid,
mutex_exit(&db->db_mtx);
}
kmem_free(db_search, sizeof (dmu_buf_impl_t));
mutex_exit(&dn->dn_dbufs_mtx);
kmem_free(db_search, sizeof (dmu_buf_impl_t));
}
void