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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-25 23:59:11 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-25 23:59:11 (GMT) |
commit | 606c61a0579669c292dc5f5e1cf898edecfc0d53 (patch) | |
tree | 569aa7e9b99571890bfccd7278bbc303cfa0a919 /fs/ocfs2/super.c | |
parent | 15dbc136dff62ebefb03353cfb7d308d49b275f3 (diff) | |
parent | 0fda2788b03c1868e2f20b3b7995b8cc2adf4715 (diff) | |
download | linux-606c61a0579669c292dc5f5e1cf898edecfc0d53.tar.xz |
Merge branch 'akpm' (patches from Andrew)
Merge fourth patch-bomb from Andrew Morton:
"A lot more stuff than expected, sorry. A bunch of ocfs2 reviewing was
finished off.
- mhocko's oom-reaper out-of-memory-handler changes
- ocfs2 fixes and features
- KASAN feature work
- various fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (42 commits)
thp: fix typo in khugepaged_scan_pmd()
MAINTAINERS: fill entries for KASAN
mm/filemap: generic_file_read_iter(): check for zero reads unconditionally
kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
mm, kasan: stackdepot implementation. Enable stackdepot for SLAB
arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
mm, kasan: add GFP flags to KASAN API
mm, kasan: SLAB support
kasan: modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right()
include/linux/oom.h: remove undefined oom_kills_count()/note_oom_kill()
mm/page_alloc: prevent merging between isolated and other pageblocks
drivers/memstick/host/r592.c: avoid gcc-6 warning
ocfs2: extend enough credits for freeing one truncate record while replaying truncate records
ocfs2: extend transaction for ocfs2_remove_rightmost_path() and ocfs2_update_edge_lengths() before to avoid inconsistency between inode and et
ocfs2/dlm: move lock to the tail of grant queue while doing in-place convert
ocfs2: solve a problem of crossing the boundary in updating backups
ocfs2: fix occurring deadlock by changing ocfs2_wq from global to local
ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list
ocfs2/dlm: fix race between convert and recovery
ocfs2: fix a deadlock issue in ocfs2_dio_end_io_write()
...
Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r-- | fs/ocfs2/super.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index ccc9386..7db631e 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -80,12 +80,6 @@ static struct kmem_cache *ocfs2_inode_cachep; struct kmem_cache *ocfs2_dquot_cachep; struct kmem_cache *ocfs2_qf_chunk_cachep; -/* OCFS2 needs to schedule several different types of work which - * require cluster locking, disk I/O, recovery waits, etc. Since these - * types of work tend to be heavy we avoid using the kernel events - * workqueue and schedule on our own. */ -struct workqueue_struct *ocfs2_wq = NULL; - static struct dentry *ocfs2_debugfs_root; MODULE_AUTHOR("Oracle"); @@ -1613,33 +1607,25 @@ static int __init ocfs2_init(void) if (status < 0) goto out2; - ocfs2_wq = create_singlethread_workqueue("ocfs2_wq"); - if (!ocfs2_wq) { - status = -ENOMEM; - goto out3; - } - ocfs2_debugfs_root = debugfs_create_dir("ocfs2", NULL); if (!ocfs2_debugfs_root) { status = -ENOMEM; mlog(ML_ERROR, "Unable to create ocfs2 debugfs root.\n"); - goto out4; + goto out3; } ocfs2_set_locking_protocol(); status = register_quota_format(&ocfs2_quota_format); if (status < 0) - goto out4; + goto out3; status = register_filesystem(&ocfs2_fs_type); if (!status) return 0; unregister_quota_format(&ocfs2_quota_format); -out4: - destroy_workqueue(ocfs2_wq); - debugfs_remove(ocfs2_debugfs_root); out3: + debugfs_remove(ocfs2_debugfs_root); ocfs2_free_mem_caches(); out2: exit_ocfs2_uptodate_cache(); @@ -1650,11 +1636,6 @@ out1: static void __exit ocfs2_exit(void) { - if (ocfs2_wq) { - flush_workqueue(ocfs2_wq); - destroy_workqueue(ocfs2_wq); - } - unregister_quota_format(&ocfs2_quota_format); debugfs_remove(ocfs2_debugfs_root); @@ -1745,8 +1726,8 @@ static void ocfs2_inode_init_once(void *data) spin_lock_init(&oi->ip_lock); ocfs2_extent_map_init(&oi->vfs_inode); INIT_LIST_HEAD(&oi->ip_io_markers); + INIT_LIST_HEAD(&oi->ip_unwritten_list); oi->ip_dir_start_lookup = 0; - mutex_init(&oi->ip_unaligned_aio); init_rwsem(&oi->ip_alloc_sem); init_rwsem(&oi->ip_xattr_sem); mutex_init(&oi->ip_io_mutex); @@ -2349,6 +2330,12 @@ static int ocfs2_initialize_super(struct super_block *sb, } cleancache_init_shared_fs(sb); + osb->ocfs2_wq = create_singlethread_workqueue("ocfs2_wq"); + if (!osb->ocfs2_wq) { + status = -ENOMEM; + mlog_errno(status); + } + bail: return status; } @@ -2536,6 +2523,12 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb) { /* This function assumes that the caller has the main osb resource */ + /* ocfs2_initializer_super have already created this workqueue */ + if (osb->ocfs2_wq) { + flush_workqueue(osb->ocfs2_wq); + destroy_workqueue(osb->ocfs2_wq); + } + ocfs2_free_slot_info(osb); kfree(osb->osb_orphan_wipes); |