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-rw-r--r--fs/aio.c36
-rw-r--r--fs/btrfs/disk-io.c10
-rw-r--r--fs/btrfs/inode.c3
-rw-r--r--fs/btrfs/relocation.c9
-rw-r--r--fs/ceph/locks.c73
-rw-r--r--fs/ceph/mds_client.c65
-rw-r--r--fs/ceph/super.h9
-rw-r--r--fs/file_table.c19
-rw-r--r--fs/namei.c4
-rw-r--r--fs/ncpfs/dir.c9
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c1
-rw-r--r--fs/ocfs2/namei.c4
-rw-r--r--fs/proc/kmsg.c10
-rw-r--r--fs/xfs/xfs_attr_leaf.h1
-rw-r--r--fs/xfs/xfs_btree.c10
-rw-r--r--fs/xfs/xfs_dir2_format.h5
-rw-r--r--fs/xfs/xfs_log_recover.c19
-rw-r--r--fs/xfs/xfs_mount.c18
18 files changed, 180 insertions, 125 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 7fe5bdee1630..2bbcacf74d0c 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -141,9 +141,6 @@ static void aio_free_ring(struct kioctx *ctx)
141 for (i = 0; i < ctx->nr_pages; i++) 141 for (i = 0; i < ctx->nr_pages; i++)
142 put_page(ctx->ring_pages[i]); 142 put_page(ctx->ring_pages[i]);
143 143
144 if (ctx->mmap_size)
145 vm_munmap(ctx->mmap_base, ctx->mmap_size);
146
147 if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages) 144 if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages)
148 kfree(ctx->ring_pages); 145 kfree(ctx->ring_pages);
149} 146}
@@ -322,11 +319,6 @@ static void free_ioctx(struct kioctx *ctx)
322 319
323 aio_free_ring(ctx); 320 aio_free_ring(ctx);
324 321
325 spin_lock(&aio_nr_lock);
326 BUG_ON(aio_nr - ctx->max_reqs > aio_nr);
327 aio_nr -= ctx->max_reqs;
328 spin_unlock(&aio_nr_lock);
329
330 pr_debug("freeing %p\n", ctx); 322 pr_debug("freeing %p\n", ctx);
331 323
332 /* 324 /*
@@ -435,17 +427,24 @@ static void kill_ioctx(struct kioctx *ctx)
435{ 427{
436 if (!atomic_xchg(&ctx->dead, 1)) { 428 if (!atomic_xchg(&ctx->dead, 1)) {
437 hlist_del_rcu(&ctx->list); 429 hlist_del_rcu(&ctx->list);
438 /* Between hlist_del_rcu() and dropping the initial ref */
439 synchronize_rcu();
440 430
441 /* 431 /*
442 * We can't punt to workqueue here because put_ioctx() -> 432 * It'd be more correct to do this in free_ioctx(), after all
443 * free_ioctx() will unmap the ringbuffer, and that has to be 433 * the outstanding kiocbs have finished - but by then io_destroy
444 * done in the original process's context. kill_ioctx_rcu/work() 434 * has already returned, so io_setup() could potentially return
445 * exist for exit_aio(), as in that path free_ioctx() won't do 435 * -EAGAIN with no ioctxs actually in use (as far as userspace
446 * the unmap. 436 * could tell).
447 */ 437 */
448 kill_ioctx_work(&ctx->rcu_work); 438 spin_lock(&aio_nr_lock);
439 BUG_ON(aio_nr - ctx->max_reqs > aio_nr);
440 aio_nr -= ctx->max_reqs;
441 spin_unlock(&aio_nr_lock);
442
443 if (ctx->mmap_size)
444 vm_munmap(ctx->mmap_base, ctx->mmap_size);
445
446 /* Between hlist_del_rcu() and dropping the initial ref */
447 call_rcu(&ctx->rcu_head, kill_ioctx_rcu);
449 } 448 }
450} 449}
451 450
@@ -495,10 +494,7 @@ void exit_aio(struct mm_struct *mm)
495 */ 494 */
496 ctx->mmap_size = 0; 495 ctx->mmap_size = 0;
497 496
498 if (!atomic_xchg(&ctx->dead, 1)) { 497 kill_ioctx(ctx);
499 hlist_del_rcu(&ctx->list);
500 call_rcu(&ctx->rcu_head, kill_ioctx_rcu);
501 }
502 } 498 }
503} 499}
504 500
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e7b3cb5286a5..b8b60b660c8f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2859,8 +2859,8 @@ fail_qgroup:
2859 btrfs_free_qgroup_config(fs_info); 2859 btrfs_free_qgroup_config(fs_info);
2860fail_trans_kthread: 2860fail_trans_kthread:
2861 kthread_stop(fs_info->transaction_kthread); 2861 kthread_stop(fs_info->transaction_kthread);
2862 del_fs_roots(fs_info);
2863 btrfs_cleanup_transaction(fs_info->tree_root); 2862 btrfs_cleanup_transaction(fs_info->tree_root);
2863 del_fs_roots(fs_info);
2864fail_cleaner: 2864fail_cleaner:
2865 kthread_stop(fs_info->cleaner_kthread); 2865 kthread_stop(fs_info->cleaner_kthread);
2866 2866
@@ -3512,15 +3512,15 @@ int close_ctree(struct btrfs_root *root)
3512 percpu_counter_sum(&fs_info->delalloc_bytes)); 3512 percpu_counter_sum(&fs_info->delalloc_bytes));
3513 } 3513 }
3514 3514
3515 free_root_pointers(fs_info, 1);
3516
3517 btrfs_free_block_groups(fs_info); 3515 btrfs_free_block_groups(fs_info);
3518 3516
3517 btrfs_stop_all_workers(fs_info);
3518
3519 del_fs_roots(fs_info); 3519 del_fs_roots(fs_info);
3520 3520
3521 iput(fs_info->btree_inode); 3521 free_root_pointers(fs_info, 1);
3522 3522
3523 btrfs_stop_all_workers(fs_info); 3523 iput(fs_info->btree_inode);
3524 3524
3525#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY 3525#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
3526 if (btrfs_test_opt(root, CHECK_INTEGRITY)) 3526 if (btrfs_test_opt(root, CHECK_INTEGRITY))
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index af978f7682b3..17f3064b4a3e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8012,6 +8012,9 @@ int btrfs_drop_inode(struct inode *inode)
8012{ 8012{
8013 struct btrfs_root *root = BTRFS_I(inode)->root; 8013 struct btrfs_root *root = BTRFS_I(inode)->root;
8014 8014
8015 if (root == NULL)
8016 return 1;
8017
8015 /* the snap/subvol tree is on deleting */ 8018 /* the snap/subvol tree is on deleting */
8016 if (btrfs_root_refs(&root->root_item) == 0 && 8019 if (btrfs_root_refs(&root->root_item) == 0 &&
8017 root != root->fs_info->tree_root) 8020 root != root->fs_info->tree_root)
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 395b82031a42..4febca4fc2de 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -4082,7 +4082,7 @@ out:
4082 return inode; 4082 return inode;
4083} 4083}
4084 4084
4085static struct reloc_control *alloc_reloc_control(void) 4085static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)
4086{ 4086{
4087 struct reloc_control *rc; 4087 struct reloc_control *rc;
4088 4088
@@ -4093,7 +4093,8 @@ static struct reloc_control *alloc_reloc_control(void)
4093 INIT_LIST_HEAD(&rc->reloc_roots); 4093 INIT_LIST_HEAD(&rc->reloc_roots);
4094 backref_cache_init(&rc->backref_cache); 4094 backref_cache_init(&rc->backref_cache);
4095 mapping_tree_init(&rc->reloc_root_tree); 4095 mapping_tree_init(&rc->reloc_root_tree);
4096 extent_io_tree_init(&rc->processed_blocks, NULL); 4096 extent_io_tree_init(&rc->processed_blocks,
4097 fs_info->btree_inode->i_mapping);
4097 return rc; 4098 return rc;
4098} 4099}
4099 4100
@@ -4110,7 +4111,7 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
4110 int rw = 0; 4111 int rw = 0;
4111 int err = 0; 4112 int err = 0;
4112 4113
4113 rc = alloc_reloc_control(); 4114 rc = alloc_reloc_control(fs_info);
4114 if (!rc) 4115 if (!rc)
4115 return -ENOMEM; 4116 return -ENOMEM;
4116 4117
@@ -4311,7 +4312,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
4311 if (list_empty(&reloc_roots)) 4312 if (list_empty(&reloc_roots))
4312 goto out; 4313 goto out;
4313 4314
4314 rc = alloc_reloc_control(); 4315 rc = alloc_reloc_control(root->fs_info);
4315 if (!rc) { 4316 if (!rc) {
4316 err = -ENOMEM; 4317 err = -ENOMEM;
4317 goto out; 4318 goto out;
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 202dd3d68be0..ebbf680378e2 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -191,27 +191,23 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count)
191} 191}
192 192
193/** 193/**
194 * Encode the flock and fcntl locks for the given inode into the pagelist. 194 * Encode the flock and fcntl locks for the given inode into the ceph_filelock
195 * Format is: #fcntl locks, sequential fcntl locks, #flock locks, 195 * array. Must be called with lock_flocks() already held.
196 * sequential flock locks. 196 * If we encounter more of a specific lock type than expected, return -ENOSPC.
197 * Must be called with lock_flocks() already held.
198 * If we encounter more of a specific lock type than expected,
199 * we return the value 1.
200 */ 197 */
201int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist, 198int ceph_encode_locks_to_buffer(struct inode *inode,
202 int num_fcntl_locks, int num_flock_locks) 199 struct ceph_filelock *flocks,
200 int num_fcntl_locks, int num_flock_locks)
203{ 201{
204 struct file_lock *lock; 202 struct file_lock *lock;
205 struct ceph_filelock cephlock;
206 int err = 0; 203 int err = 0;
207 int seen_fcntl = 0; 204 int seen_fcntl = 0;
208 int seen_flock = 0; 205 int seen_flock = 0;
206 int l = 0;
209 207
210 dout("encoding %d flock and %d fcntl locks", num_flock_locks, 208 dout("encoding %d flock and %d fcntl locks", num_flock_locks,
211 num_fcntl_locks); 209 num_fcntl_locks);
212 err = ceph_pagelist_append(pagelist, &num_fcntl_locks, sizeof(u32)); 210
213 if (err)
214 goto fail;
215 for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) { 211 for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) {
216 if (lock->fl_flags & FL_POSIX) { 212 if (lock->fl_flags & FL_POSIX) {
217 ++seen_fcntl; 213 ++seen_fcntl;
@@ -219,19 +215,12 @@ int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist,
219 err = -ENOSPC; 215 err = -ENOSPC;
220 goto fail; 216 goto fail;
221 } 217 }
222 err = lock_to_ceph_filelock(lock, &cephlock); 218 err = lock_to_ceph_filelock(lock, &flocks[l]);
223 if (err) 219 if (err)
224 goto fail; 220 goto fail;
225 err = ceph_pagelist_append(pagelist, &cephlock, 221 ++l;
226 sizeof(struct ceph_filelock));
227 } 222 }
228 if (err)
229 goto fail;
230 } 223 }
231
232 err = ceph_pagelist_append(pagelist, &num_flock_locks, sizeof(u32));
233 if (err)
234 goto fail;
235 for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) { 224 for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) {
236 if (lock->fl_flags & FL_FLOCK) { 225 if (lock->fl_flags & FL_FLOCK) {
237 ++seen_flock; 226 ++seen_flock;
@@ -239,19 +228,51 @@ int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist,
239 err = -ENOSPC; 228 err = -ENOSPC;
240 goto fail; 229 goto fail;
241 } 230 }
242 err = lock_to_ceph_filelock(lock, &cephlock); 231 err = lock_to_ceph_filelock(lock, &flocks[l]);
243 if (err) 232 if (err)
244 goto fail; 233 goto fail;
245 err = ceph_pagelist_append(pagelist, &cephlock, 234 ++l;
246 sizeof(struct ceph_filelock));
247 } 235 }
248 if (err)
249 goto fail;
250 } 236 }
251fail: 237fail:
252 return err; 238 return err;
253} 239}
254 240
241/**
242 * Copy the encoded flock and fcntl locks into the pagelist.
243 * Format is: #fcntl locks, sequential fcntl locks, #flock locks,
244 * sequential flock locks.
245 * Returns zero on success.
246 */
247int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
248 struct ceph_pagelist *pagelist,
249 int num_fcntl_locks, int num_flock_locks)
250{
251 int err = 0;
252 __le32 nlocks;
253
254 nlocks = cpu_to_le32(num_fcntl_locks);
255 err = ceph_pagelist_append(pagelist, &nlocks, sizeof(nlocks));
256 if (err)
257 goto out_fail;
258
259 err = ceph_pagelist_append(pagelist, flocks,
260 num_fcntl_locks * sizeof(*flocks));
261 if (err)
262 goto out_fail;
263
264 nlocks = cpu_to_le32(num_flock_locks);
265 err = ceph_pagelist_append(pagelist, &nlocks, sizeof(nlocks));
266 if (err)
267 goto out_fail;
268
269 err = ceph_pagelist_append(pagelist,
270 &flocks[num_fcntl_locks],
271 num_flock_locks * sizeof(*flocks));
272out_fail:
273 return err;
274}
275
255/* 276/*
256 * Given a pointer to a lock, convert it to a ceph filelock 277 * Given a pointer to a lock, convert it to a ceph filelock
257 */ 278 */
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 4f22671a5bd4..4d2920304be8 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2478,39 +2478,44 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
2478 2478
2479 if (recon_state->flock) { 2479 if (recon_state->flock) {
2480 int num_fcntl_locks, num_flock_locks; 2480 int num_fcntl_locks, num_flock_locks;
2481 struct ceph_pagelist_cursor trunc_point; 2481 struct ceph_filelock *flocks;
2482 2482
2483 ceph_pagelist_set_cursor(pagelist, &trunc_point); 2483encode_again:
2484 do { 2484 lock_flocks();
2485 lock_flocks(); 2485 ceph_count_locks(inode, &num_fcntl_locks, &num_flock_locks);
2486 ceph_count_locks(inode, &num_fcntl_locks, 2486 unlock_flocks();
2487 &num_flock_locks); 2487 flocks = kmalloc((num_fcntl_locks+num_flock_locks) *
2488 rec.v2.flock_len = (2*sizeof(u32) + 2488 sizeof(struct ceph_filelock), GFP_NOFS);
2489 (num_fcntl_locks+num_flock_locks) * 2489 if (!flocks) {
2490 sizeof(struct ceph_filelock)); 2490 err = -ENOMEM;
2491 unlock_flocks(); 2491 goto out_free;
2492 2492 }
2493 /* pre-alloc pagelist */ 2493 lock_flocks();
2494 ceph_pagelist_truncate(pagelist, &trunc_point); 2494 err = ceph_encode_locks_to_buffer(inode, flocks,
2495 err = ceph_pagelist_append(pagelist, &rec, reclen); 2495 num_fcntl_locks,
2496 if (!err) 2496 num_flock_locks);
2497 err = ceph_pagelist_reserve(pagelist, 2497 unlock_flocks();
2498 rec.v2.flock_len); 2498 if (err) {
2499 2499 kfree(flocks);
2500 /* encode locks */ 2500 if (err == -ENOSPC)
2501 if (!err) { 2501 goto encode_again;
2502 lock_flocks(); 2502 goto out_free;
2503 err = ceph_encode_locks(inode, 2503 }
2504 pagelist, 2504 /*
2505 num_fcntl_locks, 2505 * number of encoded locks is stable, so copy to pagelist
2506 num_flock_locks); 2506 */
2507 unlock_flocks(); 2507 rec.v2.flock_len = cpu_to_le32(2*sizeof(u32) +
2508 } 2508 (num_fcntl_locks+num_flock_locks) *
2509 } while (err == -ENOSPC); 2509 sizeof(struct ceph_filelock));
2510 err = ceph_pagelist_append(pagelist, &rec, reclen);
2511 if (!err)
2512 err = ceph_locks_to_pagelist(flocks, pagelist,
2513 num_fcntl_locks,
2514 num_flock_locks);
2515 kfree(flocks);
2510 } else { 2516 } else {
2511 err = ceph_pagelist_append(pagelist, &rec, reclen); 2517 err = ceph_pagelist_append(pagelist, &rec, reclen);
2512 } 2518 }
2513
2514out_free: 2519out_free:
2515 kfree(path); 2520 kfree(path);
2516out_dput: 2521out_dput:
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 8696be2ff679..7ccfdb4aea2e 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -822,8 +822,13 @@ extern const struct export_operations ceph_export_ops;
822extern int ceph_lock(struct file *file, int cmd, struct file_lock *fl); 822extern int ceph_lock(struct file *file, int cmd, struct file_lock *fl);
823extern int ceph_flock(struct file *file, int cmd, struct file_lock *fl); 823extern int ceph_flock(struct file *file, int cmd, struct file_lock *fl);
824extern void ceph_count_locks(struct inode *inode, int *p_num, int *f_num); 824extern void ceph_count_locks(struct inode *inode, int *p_num, int *f_num);
825extern int ceph_encode_locks(struct inode *i, struct ceph_pagelist *p, 825extern int ceph_encode_locks_to_buffer(struct inode *inode,
826 int p_locks, int f_locks); 826 struct ceph_filelock *flocks,
827 int num_fcntl_locks,
828 int num_flock_locks);
829extern int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
830 struct ceph_pagelist *pagelist,
831 int num_fcntl_locks, int num_flock_locks);
827extern int lock_to_ceph_filelock(struct file_lock *fl, struct ceph_filelock *c); 832extern int lock_to_ceph_filelock(struct file_lock *fl, struct ceph_filelock *c);
828 833
829/* debugfs.c */ 834/* debugfs.c */
diff --git a/fs/file_table.c b/fs/file_table.c
index cd4d87a82951..485dc0eddd67 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -306,17 +306,18 @@ void fput(struct file *file)
306{ 306{
307 if (atomic_long_dec_and_test(&file->f_count)) { 307 if (atomic_long_dec_and_test(&file->f_count)) {
308 struct task_struct *task = current; 308 struct task_struct *task = current;
309 unsigned long flags;
310
309 file_sb_list_del(file); 311 file_sb_list_del(file);
310 if (unlikely(in_interrupt() || task->flags & PF_KTHREAD)) { 312 if (likely(!in_interrupt() && !(task->flags & PF_KTHREAD))) {
311 unsigned long flags; 313 init_task_work(&file->f_u.fu_rcuhead, ____fput);
312 spin_lock_irqsave(&delayed_fput_lock, flags); 314 if (!task_work_add(task, &file->f_u.fu_rcuhead, true))
313 list_add(&file->f_u.fu_list, &delayed_fput_list); 315 return;
314 schedule_work(&delayed_fput_work);
315 spin_unlock_irqrestore(&delayed_fput_lock, flags);
316 return;
317 } 316 }
318 init_task_work(&file->f_u.fu_rcuhead, ____fput); 317 spin_lock_irqsave(&delayed_fput_lock, flags);
319 task_work_add(task, &file->f_u.fu_rcuhead, true); 318 list_add(&file->f_u.fu_list, &delayed_fput_list);
319 schedule_work(&delayed_fput_work);
320 spin_unlock_irqrestore(&delayed_fput_lock, flags);
320 } 321 }
321} 322}
322 323
diff --git a/fs/namei.c b/fs/namei.c
index 85e40d1c0a8f..9ed9361223c0 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1976,7 +1976,7 @@ static int path_lookupat(int dfd, const char *name,
1976 err = complete_walk(nd); 1976 err = complete_walk(nd);
1977 1977
1978 if (!err && nd->flags & LOOKUP_DIRECTORY) { 1978 if (!err && nd->flags & LOOKUP_DIRECTORY) {
1979 if (!nd->inode->i_op->lookup) { 1979 if (!can_lookup(nd->inode)) {
1980 path_put(&nd->path); 1980 path_put(&nd->path);
1981 err = -ENOTDIR; 1981 err = -ENOTDIR;
1982 } 1982 }
@@ -2850,7 +2850,7 @@ finish_lookup:
2850 if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode)) 2850 if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode))
2851 goto out; 2851 goto out;
2852 error = -ENOTDIR; 2852 error = -ENOTDIR;
2853 if ((nd->flags & LOOKUP_DIRECTORY) && !nd->inode->i_op->lookup) 2853 if ((nd->flags & LOOKUP_DIRECTORY) && !can_lookup(nd->inode))
2854 goto out; 2854 goto out;
2855 audit_inode(name, nd->path.dentry, 0); 2855 audit_inode(name, nd->path.dentry, 0);
2856finish_open: 2856finish_open:
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 816326093656..6792ce11f2bf 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -1029,15 +1029,6 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
1029 DPRINTK("ncp_rmdir: removing %s/%s\n", 1029 DPRINTK("ncp_rmdir: removing %s/%s\n",
1030 dentry->d_parent->d_name.name, dentry->d_name.name); 1030 dentry->d_parent->d_name.name, dentry->d_name.name);
1031 1031
1032 /*
1033 * fail with EBUSY if there are still references to this
1034 * directory.
1035 */
1036 dentry_unhash(dentry);
1037 error = -EBUSY;
1038 if (!d_unhashed(dentry))
1039 goto out;
1040
1041 len = sizeof(__name); 1032 len = sizeof(__name);
1042 error = ncp_io2vol(server, __name, &len, dentry->d_name.name, 1033 error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
1043 dentry->d_name.len, !ncp_preserve_case(dir)); 1034 dentry->d_name.len, !ncp_preserve_case(dir));
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index b3fdd1a323d6..e68588e6b1e8 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1408,6 +1408,7 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
1408 mres->lockname_len, mres->lockname); 1408 mres->lockname_len, mres->lockname);
1409 ret = -EFAULT; 1409 ret = -EFAULT;
1410 spin_unlock(&res->spinlock); 1410 spin_unlock(&res->spinlock);
1411 dlm_lockres_put(res);
1411 goto leave; 1412 goto leave;
1412 } 1413 }
1413 res->state |= DLM_LOCK_RES_MIGRATING; 1414 res->state |= DLM_LOCK_RES_MIGRATING;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 04ee1b57c243..b4a5cdf9dbc5 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -947,7 +947,7 @@ leave:
947 ocfs2_free_dir_lookup_result(&orphan_insert); 947 ocfs2_free_dir_lookup_result(&orphan_insert);
948 ocfs2_free_dir_lookup_result(&lookup); 948 ocfs2_free_dir_lookup_result(&lookup);
949 949
950 if (status) 950 if (status && (status != -ENOTEMPTY))
951 mlog_errno(status); 951 mlog_errno(status);
952 952
953 return status; 953 return status;
@@ -2216,7 +2216,7 @@ out:
2216 2216
2217 brelse(orphan_dir_bh); 2217 brelse(orphan_dir_bh);
2218 2218
2219 return 0; 2219 return ret;
2220} 2220}
2221 2221
2222int ocfs2_create_inode_in_orphan(struct inode *dir, 2222int ocfs2_create_inode_in_orphan(struct inode *dir,
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index bd4b5a740ff1..bdfabdaefdce 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -21,12 +21,12 @@ extern wait_queue_head_t log_wait;
21 21
22static int kmsg_open(struct inode * inode, struct file * file) 22static int kmsg_open(struct inode * inode, struct file * file)
23{ 23{
24 return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_FILE); 24 return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_PROC);
25} 25}
26 26
27static int kmsg_release(struct inode * inode, struct file * file) 27static int kmsg_release(struct inode * inode, struct file * file)
28{ 28{
29 (void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_FILE); 29 (void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_PROC);
30 return 0; 30 return 0;
31} 31}
32 32
@@ -34,15 +34,15 @@ static ssize_t kmsg_read(struct file *file, char __user *buf,
34 size_t count, loff_t *ppos) 34 size_t count, loff_t *ppos)
35{ 35{
36 if ((file->f_flags & O_NONBLOCK) && 36 if ((file->f_flags & O_NONBLOCK) &&
37 !do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE)) 37 !do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
38 return -EAGAIN; 38 return -EAGAIN;
39 return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_FILE); 39 return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
40} 40}
41 41
42static unsigned int kmsg_poll(struct file *file, poll_table *wait) 42static unsigned int kmsg_poll(struct file *file, poll_table *wait)
43{ 43{
44 poll_wait(file, &log_wait, wait); 44 poll_wait(file, &log_wait, wait);
45 if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE)) 45 if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
46 return POLLIN | POLLRDNORM; 46 return POLLIN | POLLRDNORM;
47 return 0; 47 return 0;
48} 48}
diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
index f9d7846097e2..444a7704596c 100644
--- a/fs/xfs/xfs_attr_leaf.h
+++ b/fs/xfs/xfs_attr_leaf.h
@@ -128,6 +128,7 @@ struct xfs_attr3_leaf_hdr {
128 __u8 holes; 128 __u8 holes;
129 __u8 pad1; 129 __u8 pad1;
130 struct xfs_attr_leaf_map freemap[XFS_ATTR_LEAF_MAPSIZE]; 130 struct xfs_attr_leaf_map freemap[XFS_ATTR_LEAF_MAPSIZE];
131 __be32 pad2; /* 64 bit alignment */
131}; 132};
132 133
133#define XFS_ATTR3_LEAF_CRC_OFF (offsetof(struct xfs_attr3_leaf_hdr, info.crc)) 134#define XFS_ATTR3_LEAF_CRC_OFF (offsetof(struct xfs_attr3_leaf_hdr, info.crc))
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 8804b8a3c310..0903960410a2 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -2544,7 +2544,17 @@ xfs_btree_new_iroot(
2544 if (error) 2544 if (error)
2545 goto error0; 2545 goto error0;
2546 2546
2547 /*
2548 * we can't just memcpy() the root in for CRC enabled btree blocks.
2549 * In that case have to also ensure the blkno remains correct
2550 */
2547 memcpy(cblock, block, xfs_btree_block_len(cur)); 2551 memcpy(cblock, block, xfs_btree_block_len(cur));
2552 if (cur->bc_flags & XFS_BTREE_CRC_BLOCKS) {
2553 if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
2554 cblock->bb_u.l.bb_blkno = cpu_to_be64(cbp->b_bn);
2555 else
2556 cblock->bb_u.s.bb_blkno = cpu_to_be64(cbp->b_bn);
2557 }
2548 2558
2549 be16_add_cpu(&block->bb_level, 1); 2559 be16_add_cpu(&block->bb_level, 1);
2550 xfs_btree_set_numrecs(block, 1); 2560 xfs_btree_set_numrecs(block, 1);
diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h
index 995f1f505a52..7826782b8d78 100644
--- a/fs/xfs/xfs_dir2_format.h
+++ b/fs/xfs/xfs_dir2_format.h
@@ -266,6 +266,7 @@ struct xfs_dir3_blk_hdr {
266struct xfs_dir3_data_hdr { 266struct xfs_dir3_data_hdr {
267 struct xfs_dir3_blk_hdr hdr; 267 struct xfs_dir3_blk_hdr hdr;
268 xfs_dir2_data_free_t best_free[XFS_DIR2_DATA_FD_COUNT]; 268 xfs_dir2_data_free_t best_free[XFS_DIR2_DATA_FD_COUNT];
269 __be32 pad; /* 64 bit alignment */
269}; 270};
270 271
271#define XFS_DIR3_DATA_CRC_OFF offsetof(struct xfs_dir3_data_hdr, hdr.crc) 272#define XFS_DIR3_DATA_CRC_OFF offsetof(struct xfs_dir3_data_hdr, hdr.crc)
@@ -477,7 +478,7 @@ struct xfs_dir3_leaf_hdr {
477 struct xfs_da3_blkinfo info; /* header for da routines */ 478 struct xfs_da3_blkinfo info; /* header for da routines */
478 __be16 count; /* count of entries */ 479 __be16 count; /* count of entries */
479 __be16 stale; /* count of stale entries */ 480 __be16 stale; /* count of stale entries */
480 __be32 pad; 481 __be32 pad; /* 64 bit alignment */
481}; 482};
482 483
483struct xfs_dir3_icleaf_hdr { 484struct xfs_dir3_icleaf_hdr {
@@ -715,7 +716,7 @@ struct xfs_dir3_free_hdr {
715 __be32 firstdb; /* db of first entry */ 716 __be32 firstdb; /* db of first entry */
716 __be32 nvalid; /* count of valid entries */ 717 __be32 nvalid; /* count of valid entries */
717 __be32 nused; /* count of used entries */ 718 __be32 nused; /* count of used entries */
718 __be32 pad; /* 64 bit alignment. */ 719 __be32 pad; /* 64 bit alignment */
719}; 720};
720 721
721struct xfs_dir3_free { 722struct xfs_dir3_free {
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 45a85ff84da1..7cf5e4eafe28 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1845,7 +1845,13 @@ xlog_recover_do_inode_buffer(
1845 xfs_agino_t *buffer_nextp; 1845 xfs_agino_t *buffer_nextp;
1846 1846
1847 trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f); 1847 trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f);
1848 bp->b_ops = &xfs_inode_buf_ops; 1848
1849 /*
1850 * Post recovery validation only works properly on CRC enabled
1851 * filesystems.
1852 */
1853 if (xfs_sb_version_hascrc(&mp->m_sb))
1854 bp->b_ops = &xfs_inode_buf_ops;
1849 1855
1850 inodes_per_buf = BBTOB(bp->b_io_length) >> mp->m_sb.sb_inodelog; 1856 inodes_per_buf = BBTOB(bp->b_io_length) >> mp->m_sb.sb_inodelog;
1851 for (i = 0; i < inodes_per_buf; i++) { 1857 for (i = 0; i < inodes_per_buf; i++) {
@@ -2205,7 +2211,16 @@ xlog_recover_do_reg_buffer(
2205 /* Shouldn't be any more regions */ 2211 /* Shouldn't be any more regions */
2206 ASSERT(i == item->ri_total); 2212 ASSERT(i == item->ri_total);
2207 2213
2208 xlog_recovery_validate_buf_type(mp, bp, buf_f); 2214 /*
2215 * We can only do post recovery validation on items on CRC enabled
2216 * fielsystems as we need to know when the buffer was written to be able
2217 * to determine if we should have replayed the item. If we replay old
2218 * metadata over a newer buffer, then it will enter a temporarily
2219 * inconsistent state resulting in verification failures. Hence for now
2220 * just avoid the verification stage for non-crc filesystems
2221 */
2222 if (xfs_sb_version_hascrc(&mp->m_sb))
2223 xlog_recovery_validate_buf_type(mp, bp, buf_f);
2209} 2224}
2210 2225
2211/* 2226/*
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index f6bfbd734669..e8e310c05097 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -314,7 +314,8 @@ STATIC int
314xfs_mount_validate_sb( 314xfs_mount_validate_sb(
315 xfs_mount_t *mp, 315 xfs_mount_t *mp,
316 xfs_sb_t *sbp, 316 xfs_sb_t *sbp,
317 bool check_inprogress) 317 bool check_inprogress,
318 bool check_version)
318{ 319{
319 320
320 /* 321 /*
@@ -337,9 +338,10 @@ xfs_mount_validate_sb(
337 338
338 /* 339 /*
339 * Version 5 superblock feature mask validation. Reject combinations the 340 * Version 5 superblock feature mask validation. Reject combinations the
340 * kernel cannot support up front before checking anything else. 341 * kernel cannot support up front before checking anything else. For
342 * write validation, we don't need to check feature masks.
341 */ 343 */
342 if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) { 344 if (check_version && XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) {
343 xfs_alert(mp, 345 xfs_alert(mp,
344"Version 5 superblock detected. This kernel has EXPERIMENTAL support enabled!\n" 346"Version 5 superblock detected. This kernel has EXPERIMENTAL support enabled!\n"
345"Use of these features in this kernel is at your own risk!"); 347"Use of these features in this kernel is at your own risk!");
@@ -675,7 +677,8 @@ xfs_sb_to_disk(
675 677
676static int 678static int
677xfs_sb_verify( 679xfs_sb_verify(
678 struct xfs_buf *bp) 680 struct xfs_buf *bp,
681 bool check_version)
679{ 682{
680 struct xfs_mount *mp = bp->b_target->bt_mount; 683 struct xfs_mount *mp = bp->b_target->bt_mount;
681 struct xfs_sb sb; 684 struct xfs_sb sb;
@@ -686,7 +689,8 @@ xfs_sb_verify(
686 * Only check the in progress field for the primary superblock as 689 * Only check the in progress field for the primary superblock as
687 * mkfs.xfs doesn't clear it from secondary superblocks. 690 * mkfs.xfs doesn't clear it from secondary superblocks.
688 */ 691 */
689 return xfs_mount_validate_sb(mp, &sb, bp->b_bn == XFS_SB_DADDR); 692 return xfs_mount_validate_sb(mp, &sb, bp->b_bn == XFS_SB_DADDR,
693 check_version);
690} 694}
691 695
692/* 696/*
@@ -719,7 +723,7 @@ xfs_sb_read_verify(
719 goto out_error; 723 goto out_error;
720 } 724 }
721 } 725 }
722 error = xfs_sb_verify(bp); 726 error = xfs_sb_verify(bp, true);
723 727
724out_error: 728out_error:
725 if (error) { 729 if (error) {
@@ -758,7 +762,7 @@ xfs_sb_write_verify(
758 struct xfs_buf_log_item *bip = bp->b_fspriv; 762 struct xfs_buf_log_item *bip = bp->b_fspriv;
759 int error; 763 int error;
760 764
761 error = xfs_sb_verify(bp); 765 error = xfs_sb_verify(bp, false);
762 if (error) { 766 if (error) {
763 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr); 767 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
764 xfs_buf_ioerror(bp, error); 768 xfs_buf_ioerror(bp, error);