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-rw-r--r--fs/9p/vfs_inode.c3
-rw-r--r--fs/bfs/dir.c2
-rw-r--r--fs/dcache.c10
-rw-r--r--fs/exec.c2
-rw-r--r--fs/inotify_user.c27
-rw-r--r--fs/ocfs2/aops.c2
-rw-r--r--fs/partitions/check.c4
-rw-r--r--fs/proc/generic.c4
-rw-r--r--fs/proc/proc_misc.c12
-rw-r--r--fs/ramfs/file-nommu.c2
-rw-r--r--fs/splice.c3
-rw-r--r--fs/ubifs/debug.c2
-rw-r--r--fs/ubifs/dir.c2
-rw-r--r--fs/ubifs/find.c1
-rw-r--r--fs/ubifs/gc.c14
-rw-r--r--fs/ubifs/super.c3
-rw-r--r--fs/ubifs/tnc.c2
-rw-r--r--fs/udf/file.c1
-rw-r--r--fs/udf/ialloc.c44
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c20
-rw-r--r--fs/xfs/xfs_buf_item.c44
-rw-r--r--fs/xfs/xfs_dfrag.c9
-rw-r--r--fs/xfs/xfs_inode.c94
-rw-r--r--fs/xfs/xfs_log.c62
-rw-r--r--fs/xfs/xfs_log_priv.h1
-rw-r--r--fs/xfs/xfs_vnodeops.c26
27 files changed, 203 insertions, 197 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index c95295c65045..e83aa5ebe861 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -626,8 +626,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
626 return NULL; 626 return NULL;
627 627
628error: 628error:
629 if (fid) 629 p9_client_clunk(fid);
630 p9_client_clunk(fid);
631 630
632 return ERR_PTR(result); 631 return ERR_PTR(result);
633} 632}
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 87ee5ccee348..ed8feb052df9 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -125,8 +125,8 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, int mode,
125 inode->i_ino); 125 inode->i_ino);
126 if (err) { 126 if (err) {
127 inode_dec_link_count(inode); 127 inode_dec_link_count(inode);
128 iput(inode);
129 mutex_unlock(&info->bfs_lock); 128 mutex_unlock(&info->bfs_lock);
129 iput(inode);
130 return err; 130 return err;
131 } 131 }
132 mutex_unlock(&info->bfs_lock); 132 mutex_unlock(&info->bfs_lock);
diff --git a/fs/dcache.c b/fs/dcache.c
index 80e93956aced..e7a1a99b7464 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1395,6 +1395,10 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name)
1395 if (dentry->d_parent != parent) 1395 if (dentry->d_parent != parent)
1396 goto next; 1396 goto next;
1397 1397
1398 /* non-existing due to RCU? */
1399 if (d_unhashed(dentry))
1400 goto next;
1401
1398 /* 1402 /*
1399 * It is safe to compare names since d_move() cannot 1403 * It is safe to compare names since d_move() cannot
1400 * change the qstr (protected by d_lock). 1404 * change the qstr (protected by d_lock).
@@ -1410,10 +1414,8 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name)
1410 goto next; 1414 goto next;
1411 } 1415 }
1412 1416
1413 if (!d_unhashed(dentry)) { 1417 atomic_inc(&dentry->d_count);
1414 atomic_inc(&dentry->d_count); 1418 found = dentry;
1415 found = dentry;
1416 }
1417 spin_unlock(&dentry->d_lock); 1419 spin_unlock(&dentry->d_lock);
1418 break; 1420 break;
1419next: 1421next:
diff --git a/fs/exec.c b/fs/exec.c
index 32993beecbe9..cecee501ce78 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -752,11 +752,11 @@ static int exec_mmap(struct mm_struct *mm)
752 tsk->active_mm = mm; 752 tsk->active_mm = mm;
753 activate_mm(active_mm, mm); 753 activate_mm(active_mm, mm);
754 task_unlock(tsk); 754 task_unlock(tsk);
755 mm_update_next_owner(old_mm);
756 arch_pick_mmap_layout(mm); 755 arch_pick_mmap_layout(mm);
757 if (old_mm) { 756 if (old_mm) {
758 up_read(&old_mm->mmap_sem); 757 up_read(&old_mm->mmap_sem);
759 BUG_ON(active_mm != old_mm); 758 BUG_ON(active_mm != old_mm);
759 mm_update_next_owner(old_mm);
760 mmput(old_mm); 760 mmput(old_mm);
761 return 0; 761 return 0;
762 } 762 }
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 60249429a253..d85c7d931cdf 100644
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -323,7 +323,7 @@ out:
323} 323}
324 324
325/* 325/*
326 * remove_kevent - cleans up and ultimately frees the given kevent 326 * remove_kevent - cleans up the given kevent
327 * 327 *
328 * Caller must hold dev->ev_mutex. 328 * Caller must hold dev->ev_mutex.
329 */ 329 */
@@ -334,7 +334,13 @@ static void remove_kevent(struct inotify_device *dev,
334 334
335 dev->event_count--; 335 dev->event_count--;
336 dev->queue_size -= sizeof(struct inotify_event) + kevent->event.len; 336 dev->queue_size -= sizeof(struct inotify_event) + kevent->event.len;
337}
337 338
339/*
340 * free_kevent - frees the given kevent.
341 */
342static void free_kevent(struct inotify_kernel_event *kevent)
343{
338 kfree(kevent->name); 344 kfree(kevent->name);
339 kmem_cache_free(event_cachep, kevent); 345 kmem_cache_free(event_cachep, kevent);
340} 346}
@@ -350,6 +356,7 @@ static void inotify_dev_event_dequeue(struct inotify_device *dev)
350 struct inotify_kernel_event *kevent; 356 struct inotify_kernel_event *kevent;
351 kevent = inotify_dev_get_event(dev); 357 kevent = inotify_dev_get_event(dev);
352 remove_kevent(dev, kevent); 358 remove_kevent(dev, kevent);
359 free_kevent(kevent);
353 } 360 }
354} 361}
355 362
@@ -433,17 +440,15 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
433 dev = file->private_data; 440 dev = file->private_data;
434 441
435 while (1) { 442 while (1) {
436 int events;
437 443
438 prepare_to_wait(&dev->wq, &wait, TASK_INTERRUPTIBLE); 444 prepare_to_wait(&dev->wq, &wait, TASK_INTERRUPTIBLE);
439 445
440 mutex_lock(&dev->ev_mutex); 446 mutex_lock(&dev->ev_mutex);
441 events = !list_empty(&dev->events); 447 if (!list_empty(&dev->events)) {
442 mutex_unlock(&dev->ev_mutex);
443 if (events) {
444 ret = 0; 448 ret = 0;
445 break; 449 break;
446 } 450 }
451 mutex_unlock(&dev->ev_mutex);
447 452
448 if (file->f_flags & O_NONBLOCK) { 453 if (file->f_flags & O_NONBLOCK) {
449 ret = -EAGAIN; 454 ret = -EAGAIN;
@@ -462,7 +467,6 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
462 if (ret) 467 if (ret)
463 return ret; 468 return ret;
464 469
465 mutex_lock(&dev->ev_mutex);
466 while (1) { 470 while (1) {
467 struct inotify_kernel_event *kevent; 471 struct inotify_kernel_event *kevent;
468 472
@@ -481,6 +485,13 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
481 } 485 }
482 break; 486 break;
483 } 487 }
488 remove_kevent(dev, kevent);
489
490 /*
491 * Must perform the copy_to_user outside the mutex in order
492 * to avoid a lock order reversal with mmap_sem.
493 */
494 mutex_unlock(&dev->ev_mutex);
484 495
485 if (copy_to_user(buf, &kevent->event, event_size)) { 496 if (copy_to_user(buf, &kevent->event, event_size)) {
486 ret = -EFAULT; 497 ret = -EFAULT;
@@ -498,7 +509,9 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
498 count -= kevent->event.len; 509 count -= kevent->event.len;
499 } 510 }
500 511
501 remove_kevent(dev, kevent); 512 free_kevent(kevent);
513
514 mutex_lock(&dev->ev_mutex);
502 } 515 }
503 mutex_unlock(&dev->ev_mutex); 516 mutex_unlock(&dev->ev_mutex);
504 517
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 506c24fb5078..a53da1466277 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -594,7 +594,7 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
594 goto bail; 594 goto bail;
595 } 595 }
596 596
597 if (!ocfs2_sparse_alloc(OCFS2_SB(inode->i_sb)) && !p_blkno) { 597 if (!ocfs2_sparse_alloc(OCFS2_SB(inode->i_sb)) && !p_blkno && create) {
598 ocfs2_error(inode->i_sb, 598 ocfs2_error(inode->i_sb,
599 "Inode %llu has a hole at block %llu\n", 599 "Inode %llu has a hole at block %llu\n",
600 (unsigned long long)OCFS2_I(inode)->ip_blkno, 600 (unsigned long long)OCFS2_I(inode)->ip_blkno,
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 7d6b34e201db..ecc3330972e5 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -499,9 +499,9 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
499 if (!size) 499 if (!size)
500 continue; 500 continue;
501 if (from + size > get_capacity(disk)) { 501 if (from + size > get_capacity(disk)) {
502 printk(KERN_ERR " %s: p%d exceeds device capacity\n", 502 printk(KERN_WARNING
503 "%s: p%d exceeds device capacity\n",
503 disk->disk_name, p); 504 disk->disk_name, p);
504 continue;
505 } 505 }
506 res = add_partition(disk, p, from, size, state->parts[p].flags); 506 res = add_partition(disk, p, from, size, state->parts[p].flags);
507 if (res) { 507 if (res) {
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index bca0f81eb687..7821589a17d5 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -547,8 +547,8 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
547 547
548 for (tmp = dir->subdir; tmp; tmp = tmp->next) 548 for (tmp = dir->subdir; tmp; tmp = tmp->next)
549 if (strcmp(tmp->name, dp->name) == 0) { 549 if (strcmp(tmp->name, dp->name) == 0) {
550 printk(KERN_WARNING "proc_dir_entry '%s' already " 550 printk(KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
551 "registered\n", dp->name); 551 dir->name, dp->name);
552 dump_stack(); 552 dump_stack();
553 break; 553 break;
554 } 554 }
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 00f10a2dcf12..29e20c6b1f7f 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -183,6 +183,9 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
183 "SReclaimable: %8lu kB\n" 183 "SReclaimable: %8lu kB\n"
184 "SUnreclaim: %8lu kB\n" 184 "SUnreclaim: %8lu kB\n"
185 "PageTables: %8lu kB\n" 185 "PageTables: %8lu kB\n"
186#ifdef CONFIG_QUICKLIST
187 "Quicklists: %8lu kB\n"
188#endif
186 "NFS_Unstable: %8lu kB\n" 189 "NFS_Unstable: %8lu kB\n"
187 "Bounce: %8lu kB\n" 190 "Bounce: %8lu kB\n"
188 "WritebackTmp: %8lu kB\n" 191 "WritebackTmp: %8lu kB\n"
@@ -190,8 +193,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
190 "Committed_AS: %8lu kB\n" 193 "Committed_AS: %8lu kB\n"
191 "VmallocTotal: %8lu kB\n" 194 "VmallocTotal: %8lu kB\n"
192 "VmallocUsed: %8lu kB\n" 195 "VmallocUsed: %8lu kB\n"
193 "VmallocChunk: %8lu kB\n" 196 "VmallocChunk: %8lu kB\n",
194 "Quicklists: %8lu kB\n",
195 K(i.totalram), 197 K(i.totalram),
196 K(i.freeram), 198 K(i.freeram),
197 K(i.bufferram), 199 K(i.bufferram),
@@ -216,6 +218,9 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
216 K(global_page_state(NR_SLAB_RECLAIMABLE)), 218 K(global_page_state(NR_SLAB_RECLAIMABLE)),
217 K(global_page_state(NR_SLAB_UNRECLAIMABLE)), 219 K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
218 K(global_page_state(NR_PAGETABLE)), 220 K(global_page_state(NR_PAGETABLE)),
221#ifdef CONFIG_QUICKLIST
222 K(quicklist_total_size()),
223#endif
219 K(global_page_state(NR_UNSTABLE_NFS)), 224 K(global_page_state(NR_UNSTABLE_NFS)),
220 K(global_page_state(NR_BOUNCE)), 225 K(global_page_state(NR_BOUNCE)),
221 K(global_page_state(NR_WRITEBACK_TEMP)), 226 K(global_page_state(NR_WRITEBACK_TEMP)),
@@ -223,8 +228,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
223 K(committed), 228 K(committed),
224 (unsigned long)VMALLOC_TOTAL >> 10, 229 (unsigned long)VMALLOC_TOTAL >> 10,
225 vmi.used >> 10, 230 vmi.used >> 10,
226 vmi.largest_chunk >> 10, 231 vmi.largest_chunk >> 10
227 K(quicklist_total_size())
228 ); 232 );
229 233
230 len += hugetlb_report_meminfo(page + len); 234 len += hugetlb_report_meminfo(page + len);
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 52312ec93ff4..5145cb9125af 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -58,7 +58,7 @@ const struct inode_operations ramfs_file_inode_operations = {
58 * size 0 on the assumption that it's going to be used for an mmap of shared 58 * size 0 on the assumption that it's going to be used for an mmap of shared
59 * memory 59 * memory
60 */ 60 */
61static int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) 61int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
62{ 62{
63 struct pagevec lru_pvec; 63 struct pagevec lru_pvec;
64 unsigned long npages, xpages, loop, limit; 64 unsigned long npages, xpages, loop, limit;
diff --git a/fs/splice.c b/fs/splice.c
index 1bbc6f4bb09c..a1e701c27156 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -898,6 +898,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
898 if (unlikely(!(out->f_mode & FMODE_WRITE))) 898 if (unlikely(!(out->f_mode & FMODE_WRITE)))
899 return -EBADF; 899 return -EBADF;
900 900
901 if (unlikely(out->f_flags & O_APPEND))
902 return -EINVAL;
903
901 ret = rw_verify_area(WRITE, out, ppos, len); 904 ret = rw_verify_area(WRITE, out, ppos, len);
902 if (unlikely(ret < 0)) 905 if (unlikely(ret < 0))
903 return ret; 906 return ret;
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index b9cb77473758..d7f7645779f2 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -538,7 +538,7 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
538 printk(KERN_DEBUG "\t%d orphan inode numbers:\n", n); 538 printk(KERN_DEBUG "\t%d orphan inode numbers:\n", n);
539 for (i = 0; i < n; i++) 539 for (i = 0; i < n; i++)
540 printk(KERN_DEBUG "\t ino %llu\n", 540 printk(KERN_DEBUG "\t ino %llu\n",
541 le64_to_cpu(orph->inos[i])); 541 (unsigned long long)le64_to_cpu(orph->inos[i]));
542 break; 542 break;
543 } 543 }
544 default: 544 default:
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 2b267c9a1806..526c01ec8003 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -426,7 +426,7 @@ static int ubifs_readdir(struct file *file, void *dirent, filldir_t filldir)
426 426
427 while (1) { 427 while (1) {
428 dbg_gen("feed '%s', ino %llu, new f_pos %#x", 428 dbg_gen("feed '%s', ino %llu, new f_pos %#x",
429 dent->name, le64_to_cpu(dent->inum), 429 dent->name, (unsigned long long)le64_to_cpu(dent->inum),
430 key_hash_flash(c, &dent->key)); 430 key_hash_flash(c, &dent->key));
431 ubifs_assert(dent->ch.sqnum > ubifs_inode(dir)->creat_sqnum); 431 ubifs_assert(dent->ch.sqnum > ubifs_inode(dir)->creat_sqnum);
432 432
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index e045c8b55423..47814cde2407 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -507,7 +507,6 @@ int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *free,
507 rsvd_idx_lebs = 0; 507 rsvd_idx_lebs = 0;
508 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt - 508 lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
509 c->lst.taken_empty_lebs; 509 c->lst.taken_empty_lebs;
510 ubifs_assert(lebs + c->lst.idx_lebs >= c->min_idx_lebs);
511 if (rsvd_idx_lebs < lebs) 510 if (rsvd_idx_lebs < lebs)
512 /* 511 /*
513 * OK to allocate an empty LEB, but we still don't want to go 512 * OK to allocate an empty LEB, but we still don't want to go
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 13f1019c859f..02aba36fe3d4 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -334,15 +334,15 @@ int ubifs_garbage_collect_leb(struct ubifs_info *c, struct ubifs_lprops *lp)
334 334
335 err = move_nodes(c, sleb); 335 err = move_nodes(c, sleb);
336 if (err) 336 if (err)
337 goto out; 337 goto out_inc_seq;
338 338
339 err = gc_sync_wbufs(c); 339 err = gc_sync_wbufs(c);
340 if (err) 340 if (err)
341 goto out; 341 goto out_inc_seq;
342 342
343 err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0); 343 err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0);
344 if (err) 344 if (err)
345 goto out; 345 goto out_inc_seq;
346 346
347 /* Allow for races with TNC */ 347 /* Allow for races with TNC */
348 c->gced_lnum = lnum; 348 c->gced_lnum = lnum;
@@ -369,6 +369,14 @@ int ubifs_garbage_collect_leb(struct ubifs_info *c, struct ubifs_lprops *lp)
369out: 369out:
370 ubifs_scan_destroy(sleb); 370 ubifs_scan_destroy(sleb);
371 return err; 371 return err;
372
373out_inc_seq:
374 /* We may have moved at least some nodes so allow for races with TNC */
375 c->gced_lnum = lnum;
376 smp_wmb();
377 c->gc_seq += 1;
378 smp_wmb();
379 goto out;
372} 380}
373 381
374/** 382/**
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7562464ac83f..3f4902060c7a 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1024,14 +1024,13 @@ static int mount_ubifs(struct ubifs_info *c)
1024 goto out_dereg; 1024 goto out_dereg;
1025 } 1025 }
1026 1026
1027 sprintf(c->bgt_name, BGT_NAME_PATTERN, c->vi.ubi_num, c->vi.vol_id);
1027 if (!mounted_read_only) { 1028 if (!mounted_read_only) {
1028 err = alloc_wbufs(c); 1029 err = alloc_wbufs(c);
1029 if (err) 1030 if (err)
1030 goto out_cbuf; 1031 goto out_cbuf;
1031 1032
1032 /* Create background thread */ 1033 /* Create background thread */
1033 sprintf(c->bgt_name, BGT_NAME_PATTERN, c->vi.ubi_num,
1034 c->vi.vol_id);
1035 c->bgt = kthread_create(ubifs_bg_thread, c, c->bgt_name); 1034 c->bgt = kthread_create(ubifs_bg_thread, c, c->bgt_name);
1036 if (!c->bgt) 1035 if (!c->bgt)
1037 c->bgt = ERR_PTR(-EINVAL); 1036 c->bgt = ERR_PTR(-EINVAL);
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 7da209ab9378..7634c5970887 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1476,7 +1476,7 @@ again:
1476 } 1476 }
1477 1477
1478 err = fallible_read_node(c, key, &zbr, node); 1478 err = fallible_read_node(c, key, &zbr, node);
1479 if (maybe_leb_gced(c, zbr.lnum, gc_seq1)) { 1479 if (err <= 0 || maybe_leb_gced(c, zbr.lnum, gc_seq1)) {
1480 /* 1480 /*
1481 * The node may have been GC'ed out from under us so try again 1481 * The node may have been GC'ed out from under us so try again
1482 * while keeping the TNC mutex locked. 1482 * while keeping the TNC mutex locked.
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 0ed6e146a0d9..eb91f3b70320 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -211,6 +211,7 @@ const struct file_operations udf_file_operations = {
211 .release = udf_release_file, 211 .release = udf_release_file,
212 .fsync = udf_fsync_file, 212 .fsync = udf_fsync_file,
213 .splice_read = generic_file_splice_read, 213 .splice_read = generic_file_splice_read,
214 .llseek = generic_file_llseek,
214}; 215};
215 216
216const struct inode_operations udf_file_inode_operations = { 217const struct inode_operations udf_file_inode_operations = {
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index eb9cfa23dc3d..a4f2b3ce45b0 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -76,11 +76,24 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
76 *err = -ENOSPC; 76 *err = -ENOSPC;
77 77
78 iinfo = UDF_I(inode); 78 iinfo = UDF_I(inode);
79 iinfo->i_unique = 0; 79 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
80 iinfo->i_lenExtents = 0; 80 iinfo->i_efe = 1;
81 iinfo->i_next_alloc_block = 0; 81 if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
82 iinfo->i_next_alloc_goal = 0; 82 sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
83 iinfo->i_strat4096 = 0; 83 iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
84 sizeof(struct extendedFileEntry),
85 GFP_KERNEL);
86 } else {
87 iinfo->i_efe = 0;
88 iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
89 sizeof(struct fileEntry),
90 GFP_KERNEL);
91 }
92 if (!iinfo->i_ext.i_data) {
93 iput(inode);
94 *err = -ENOMEM;
95 return NULL;
96 }
84 97
85 block = udf_new_block(dir->i_sb, NULL, 98 block = udf_new_block(dir->i_sb, NULL,
86 dinfo->i_location.partitionReferenceNum, 99 dinfo->i_location.partitionReferenceNum,
@@ -111,6 +124,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
111 lvhd->uniqueID = cpu_to_le64(uniqueID); 124 lvhd->uniqueID = cpu_to_le64(uniqueID);
112 mark_buffer_dirty(sbi->s_lvid_bh); 125 mark_buffer_dirty(sbi->s_lvid_bh);
113 } 126 }
127 mutex_unlock(&sbi->s_alloc_mutex);
114 inode->i_mode = mode; 128 inode->i_mode = mode;
115 inode->i_uid = current->fsuid; 129 inode->i_uid = current->fsuid;
116 if (dir->i_mode & S_ISGID) { 130 if (dir->i_mode & S_ISGID) {
@@ -129,25 +143,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
129 iinfo->i_lenEAttr = 0; 143 iinfo->i_lenEAttr = 0;
130 iinfo->i_lenAlloc = 0; 144 iinfo->i_lenAlloc = 0;
131 iinfo->i_use = 0; 145 iinfo->i_use = 0;
132 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
133 iinfo->i_efe = 1;
134 if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
135 sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
136 iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
137 sizeof(struct extendedFileEntry),
138 GFP_KERNEL);
139 } else {
140 iinfo->i_efe = 0;
141 iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
142 sizeof(struct fileEntry),
143 GFP_KERNEL);
144 }
145 if (!iinfo->i_ext.i_data) {
146 iput(inode);
147 *err = -ENOMEM;
148 mutex_unlock(&sbi->s_alloc_mutex);
149 return NULL;
150 }
151 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB)) 146 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
152 iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; 147 iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
153 else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) 148 else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
@@ -158,7 +153,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
158 iinfo->i_crtime = current_fs_time(inode->i_sb); 153 iinfo->i_crtime = current_fs_time(inode->i_sb);
159 insert_inode_hash(inode); 154 insert_inode_hash(inode);
160 mark_inode_dirty(inode); 155 mark_inode_dirty(inode);
161 mutex_unlock(&sbi->s_alloc_mutex);
162 156
163 if (DQUOT_ALLOC_INODE(inode)) { 157 if (DQUOT_ALLOC_INODE(inode)) {
164 DQUOT_DROP(inode); 158 DQUOT_DROP(inode);
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index f42f80a3b1fa..a44d68eb50b5 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1338,6 +1338,10 @@ __xfs_get_blocks(
1338 offset = (xfs_off_t)iblock << inode->i_blkbits; 1338 offset = (xfs_off_t)iblock << inode->i_blkbits;
1339 ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); 1339 ASSERT(bh_result->b_size >= (1 << inode->i_blkbits));
1340 size = bh_result->b_size; 1340 size = bh_result->b_size;
1341
1342 if (!create && direct && offset >= i_size_read(inode))
1343 return 0;
1344
1341 error = xfs_iomap(XFS_I(inode), offset, size, 1345 error = xfs_iomap(XFS_I(inode), offset, size,
1342 create ? flags : BMAPI_READ, &iomap, &niomap); 1346 create ? flags : BMAPI_READ, &iomap, &niomap);
1343 if (error) 1347 if (error)
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 73c65f19e549..18d3c8487835 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -1302,9 +1302,29 @@ xfs_fs_remount(
1302 mp->m_flags &= ~XFS_MOUNT_BARRIER; 1302 mp->m_flags &= ~XFS_MOUNT_BARRIER;
1303 break; 1303 break;
1304 default: 1304 default:
1305 /*
1306 * Logically we would return an error here to prevent
1307 * users from believing they might have changed
1308 * mount options using remount which can't be changed.
1309 *
1310 * But unfortunately mount(8) adds all options from
1311 * mtab and fstab to the mount arguments in some cases
1312 * so we can't blindly reject options, but have to
1313 * check for each specified option if it actually
1314 * differs from the currently set option and only
1315 * reject it if that's the case.
1316 *
1317 * Until that is implemented we return success for
1318 * every remount request, and silently ignore all
1319 * options that we can't actually change.
1320 */
1321#if 0
1305 printk(KERN_INFO 1322 printk(KERN_INFO
1306 "XFS: mount option \"%s\" not supported for remount\n", p); 1323 "XFS: mount option \"%s\" not supported for remount\n", p);
1307 return -EINVAL; 1324 return -EINVAL;
1325#else
1326 return 0;
1327#endif
1308 } 1328 }
1309 } 1329 }
1310 1330
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 608c30c3f76b..002fc2617c8e 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -732,6 +732,7 @@ xfs_buf_item_init(
732 bip->bli_item.li_ops = &xfs_buf_item_ops; 732 bip->bli_item.li_ops = &xfs_buf_item_ops;
733 bip->bli_item.li_mountp = mp; 733 bip->bli_item.li_mountp = mp;
734 bip->bli_buf = bp; 734 bip->bli_buf = bp;
735 xfs_buf_hold(bp);
735 bip->bli_format.blf_type = XFS_LI_BUF; 736 bip->bli_format.blf_type = XFS_LI_BUF;
736 bip->bli_format.blf_blkno = (__int64_t)XFS_BUF_ADDR(bp); 737 bip->bli_format.blf_blkno = (__int64_t)XFS_BUF_ADDR(bp);
737 bip->bli_format.blf_len = (ushort)BTOBB(XFS_BUF_COUNT(bp)); 738 bip->bli_format.blf_len = (ushort)BTOBB(XFS_BUF_COUNT(bp));
@@ -867,6 +868,21 @@ xfs_buf_item_dirty(
867 return (bip->bli_flags & XFS_BLI_DIRTY); 868 return (bip->bli_flags & XFS_BLI_DIRTY);
868} 869}
869 870
871STATIC void
872xfs_buf_item_free(
873 xfs_buf_log_item_t *bip)
874{
875#ifdef XFS_TRANS_DEBUG
876 kmem_free(bip->bli_orig);
877 kmem_free(bip->bli_logged);
878#endif /* XFS_TRANS_DEBUG */
879
880#ifdef XFS_BLI_TRACE
881 ktrace_free(bip->bli_trace);
882#endif
883 kmem_zone_free(xfs_buf_item_zone, bip);
884}
885
870/* 886/*
871 * This is called when the buf log item is no longer needed. It should 887 * This is called when the buf log item is no longer needed. It should
872 * free the buf log item associated with the given buffer and clear 888 * free the buf log item associated with the given buffer and clear
@@ -887,18 +903,8 @@ xfs_buf_item_relse(
887 (XFS_BUF_IODONE_FUNC(bp) != NULL)) { 903 (XFS_BUF_IODONE_FUNC(bp) != NULL)) {
888 XFS_BUF_CLR_IODONE_FUNC(bp); 904 XFS_BUF_CLR_IODONE_FUNC(bp);
889 } 905 }
890 906 xfs_buf_rele(bp);
891#ifdef XFS_TRANS_DEBUG 907 xfs_buf_item_free(bip);
892 kmem_free(bip->bli_orig);
893 bip->bli_orig = NULL;
894 kmem_free(bip->bli_logged);
895 bip->bli_logged = NULL;
896#endif /* XFS_TRANS_DEBUG */
897
898#ifdef XFS_BLI_TRACE
899 ktrace_free(bip->bli_trace);
900#endif
901 kmem_zone_free(xfs_buf_item_zone, bip);
902} 908}
903 909
904 910
@@ -1120,6 +1126,7 @@ xfs_buf_iodone(
1120 1126
1121 ASSERT(bip->bli_buf == bp); 1127 ASSERT(bip->bli_buf == bp);
1122 1128
1129 xfs_buf_rele(bp);
1123 mp = bip->bli_item.li_mountp; 1130 mp = bip->bli_item.li_mountp;
1124 1131
1125 /* 1132 /*
@@ -1136,18 +1143,7 @@ xfs_buf_iodone(
1136 * xfs_trans_delete_ail() drops the AIL lock. 1143 * xfs_trans_delete_ail() drops the AIL lock.
1137 */ 1144 */
1138 xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip); 1145 xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip);
1139 1146 xfs_buf_item_free(bip);
1140#ifdef XFS_TRANS_DEBUG
1141 kmem_free(bip->bli_orig);
1142 bip->bli_orig = NULL;
1143 kmem_free(bip->bli_logged);
1144 bip->bli_logged = NULL;
1145#endif /* XFS_TRANS_DEBUG */
1146
1147#ifdef XFS_BLI_TRACE
1148 ktrace_free(bip->bli_trace);
1149#endif
1150 kmem_zone_free(xfs_buf_item_zone, bip);
1151} 1147}
1152 1148
1153#if defined(XFS_BLI_TRACE) 1149#if defined(XFS_BLI_TRACE)
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index 760f4c5b5160..75b0cd4da0ea 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -149,7 +149,14 @@ xfs_swap_extents(
149 149
150 sbp = &sxp->sx_stat; 150 sbp = &sxp->sx_stat;
151 151
152 xfs_lock_two_inodes(ip, tip, lock_flags); 152 /*
153 * we have to do two separate lock calls here to keep lockdep
154 * happy. If we try to get all the locks in one call, lock will
155 * report false positives when we drop the ILOCK and regain them
156 * below.
157 */
158 xfs_lock_two_inodes(ip, tip, XFS_IOLOCK_EXCL);
159 xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL);
153 locked = 1; 160 locked = 1;
154 161
155 /* Verify that both files have the same format */ 162 /* Verify that both files have the same format */
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 00e80df9dd9d..dbd9cef852ec 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -4118,7 +4118,7 @@ xfs_iext_indirect_to_direct(
4118 ASSERT(nextents <= XFS_LINEAR_EXTS); 4118 ASSERT(nextents <= XFS_LINEAR_EXTS);
4119 size = nextents * sizeof(xfs_bmbt_rec_t); 4119 size = nextents * sizeof(xfs_bmbt_rec_t);
4120 4120
4121 xfs_iext_irec_compact_full(ifp); 4121 xfs_iext_irec_compact_pages(ifp);
4122 ASSERT(ifp->if_real_bytes == XFS_IEXT_BUFSZ); 4122 ASSERT(ifp->if_real_bytes == XFS_IEXT_BUFSZ);
4123 4123
4124 ep = ifp->if_u1.if_ext_irec->er_extbuf; 4124 ep = ifp->if_u1.if_ext_irec->er_extbuf;
@@ -4449,8 +4449,7 @@ xfs_iext_irec_remove(
4449 * compaction policy is as follows: 4449 * compaction policy is as follows:
4450 * 4450 *
4451 * Full Compaction: Extents fit into a single page (or inline buffer) 4451 * Full Compaction: Extents fit into a single page (or inline buffer)
4452 * Full Compaction: Extents occupy less than 10% of allocated space 4452 * Partial Compaction: Extents occupy less than 50% of allocated space
4453 * Partial Compaction: Extents occupy > 10% and < 50% of allocated space
4454 * No Compaction: Extents occupy at least 50% of allocated space 4453 * No Compaction: Extents occupy at least 50% of allocated space
4455 */ 4454 */
4456void 4455void
@@ -4471,8 +4470,6 @@ xfs_iext_irec_compact(
4471 xfs_iext_direct_to_inline(ifp, nextents); 4470 xfs_iext_direct_to_inline(ifp, nextents);
4472 } else if (nextents <= XFS_LINEAR_EXTS) { 4471 } else if (nextents <= XFS_LINEAR_EXTS) {
4473 xfs_iext_indirect_to_direct(ifp); 4472 xfs_iext_indirect_to_direct(ifp);
4474 } else if (nextents < (nlists * XFS_LINEAR_EXTS) >> 3) {
4475 xfs_iext_irec_compact_full(ifp);
4476 } else if (nextents < (nlists * XFS_LINEAR_EXTS) >> 1) { 4473 } else if (nextents < (nlists * XFS_LINEAR_EXTS) >> 1) {
4477 xfs_iext_irec_compact_pages(ifp); 4474 xfs_iext_irec_compact_pages(ifp);
4478 } 4475 }
@@ -4496,7 +4493,7 @@ xfs_iext_irec_compact_pages(
4496 erp_next = erp + 1; 4493 erp_next = erp + 1;
4497 if (erp_next->er_extcount <= 4494 if (erp_next->er_extcount <=
4498 (XFS_LINEAR_EXTS - erp->er_extcount)) { 4495 (XFS_LINEAR_EXTS - erp->er_extcount)) {
4499 memmove(&erp->er_extbuf[erp->er_extcount], 4496 memcpy(&erp->er_extbuf[erp->er_extcount],
4500 erp_next->er_extbuf, erp_next->er_extcount * 4497 erp_next->er_extbuf, erp_next->er_extcount *
4501 sizeof(xfs_bmbt_rec_t)); 4498 sizeof(xfs_bmbt_rec_t));
4502 erp->er_extcount += erp_next->er_extcount; 4499 erp->er_extcount += erp_next->er_extcount;
@@ -4516,91 +4513,6 @@ xfs_iext_irec_compact_pages(
4516} 4513}
4517 4514
4518/* 4515/*
4519 * Fully compact the extent records managed by the indirection array.
4520 */
4521void
4522xfs_iext_irec_compact_full(
4523 xfs_ifork_t *ifp) /* inode fork pointer */
4524{
4525 xfs_bmbt_rec_host_t *ep, *ep_next; /* extent record pointers */
4526 xfs_ext_irec_t *erp, *erp_next; /* extent irec pointers */
4527 int erp_idx = 0; /* extent irec index */
4528 int ext_avail; /* empty entries in ex list */
4529 int ext_diff; /* number of exts to add */
4530 int nlists; /* number of irec's (ex lists) */
4531
4532 ASSERT(ifp->if_flags & XFS_IFEXTIREC);
4533
4534 nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ;
4535 erp = ifp->if_u1.if_ext_irec;
4536 ep = &erp->er_extbuf[erp->er_extcount];
4537 erp_next = erp + 1;
4538 ep_next = erp_next->er_extbuf;
4539
4540 while (erp_idx < nlists - 1) {
4541 /*
4542 * Check how many extent records are available in this irec.
4543 * If there is none skip the whole exercise.
4544 */
4545 ext_avail = XFS_LINEAR_EXTS - erp->er_extcount;
4546 if (ext_avail) {
4547
4548 /*
4549 * Copy over as many as possible extent records into
4550 * the previous page.
4551 */
4552 ext_diff = MIN(ext_avail, erp_next->er_extcount);
4553 memcpy(ep, ep_next, ext_diff * sizeof(xfs_bmbt_rec_t));
4554 erp->er_extcount += ext_diff;
4555 erp_next->er_extcount -= ext_diff;
4556
4557 /*
4558 * If the next irec is empty now we can simply
4559 * remove it.
4560 */
4561 if (erp_next->er_extcount == 0) {
4562 /*
4563 * Free page before removing extent record
4564 * so er_extoffs don't get modified in
4565 * xfs_iext_irec_remove.
4566 */
4567 kmem_free(erp_next->er_extbuf);
4568 erp_next->er_extbuf = NULL;
4569 xfs_iext_irec_remove(ifp, erp_idx + 1);
4570 erp = &ifp->if_u1.if_ext_irec[erp_idx];
4571 nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ;
4572
4573 /*
4574 * If the next irec is not empty move up the content
4575 * that has not been copied to the previous page to
4576 * the beggining of this one.
4577 */
4578 } else {
4579 memmove(erp_next->er_extbuf, &ep_next[ext_diff],
4580 erp_next->er_extcount *
4581 sizeof(xfs_bmbt_rec_t));
4582 ep_next = erp_next->er_extbuf;
4583 memset(&ep_next[erp_next->er_extcount], 0,
4584 (XFS_LINEAR_EXTS -
4585 erp_next->er_extcount) *
4586 sizeof(xfs_bmbt_rec_t));
4587 }
4588 }
4589
4590 if (erp->er_extcount == XFS_LINEAR_EXTS) {
4591 erp_idx++;
4592 if (erp_idx < nlists)
4593 erp = &ifp->if_u1.if_ext_irec[erp_idx];
4594 else
4595 break;
4596 }
4597 ep = &erp->er_extbuf[erp->er_extcount];
4598 erp_next = erp + 1;
4599 ep_next = erp_next->er_extbuf;
4600 }
4601}
4602
4603/*
4604 * This is called to update the er_extoff field in the indirection 4516 * This is called to update the er_extoff field in the indirection
4605 * array when extents have been added or removed from one of the 4517 * array when extents have been added or removed from one of the
4606 * extent lists. erp_idx contains the irec index to begin updating 4518 * extent lists. erp_idx contains the irec index to begin updating
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index ccba14eb9dbe..503ea89e8b9a 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -124,16 +124,27 @@ STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog,
124STATIC int xlog_iclogs_empty(xlog_t *log); 124STATIC int xlog_iclogs_empty(xlog_t *log);
125 125
126#if defined(XFS_LOG_TRACE) 126#if defined(XFS_LOG_TRACE)
127
128#define XLOG_TRACE_LOGGRANT_SIZE 2048
129#define XLOG_TRACE_ICLOG_SIZE 256
130
131void
132xlog_trace_loggrant_alloc(xlog_t *log)
133{
134 log->l_grant_trace = ktrace_alloc(XLOG_TRACE_LOGGRANT_SIZE, KM_NOFS);
135}
136
137void
138xlog_trace_loggrant_dealloc(xlog_t *log)
139{
140 ktrace_free(log->l_grant_trace);
141}
142
127void 143void
128xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string) 144xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
129{ 145{
130 unsigned long cnts; 146 unsigned long cnts;
131 147
132 if (!log->l_grant_trace) {
133 log->l_grant_trace = ktrace_alloc(2048, KM_NOSLEEP);
134 if (!log->l_grant_trace)
135 return;
136 }
137 /* ticket counts are 1 byte each */ 148 /* ticket counts are 1 byte each */
138 cnts = ((unsigned long)tic->t_ocnt) | ((unsigned long)tic->t_cnt) << 8; 149 cnts = ((unsigned long)tic->t_ocnt) | ((unsigned long)tic->t_cnt) << 8;
139 150
@@ -157,10 +168,20 @@ xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string)
157} 168}
158 169
159void 170void
171xlog_trace_iclog_alloc(xlog_in_core_t *iclog)
172{
173 iclog->ic_trace = ktrace_alloc(XLOG_TRACE_ICLOG_SIZE, KM_NOFS);
174}
175
176void
177xlog_trace_iclog_dealloc(xlog_in_core_t *iclog)
178{
179 ktrace_free(iclog->ic_trace);
180}
181
182void
160xlog_trace_iclog(xlog_in_core_t *iclog, uint state) 183xlog_trace_iclog(xlog_in_core_t *iclog, uint state)
161{ 184{
162 if (!iclog->ic_trace)
163 iclog->ic_trace = ktrace_alloc(256, KM_NOFS);
164 ktrace_enter(iclog->ic_trace, 185 ktrace_enter(iclog->ic_trace,
165 (void *)((unsigned long)state), 186 (void *)((unsigned long)state),
166 (void *)((unsigned long)current_pid()), 187 (void *)((unsigned long)current_pid()),
@@ -170,8 +191,15 @@ xlog_trace_iclog(xlog_in_core_t *iclog, uint state)
170 (void *)NULL, (void *)NULL); 191 (void *)NULL, (void *)NULL);
171} 192}
172#else 193#else
194
195#define xlog_trace_loggrant_alloc(log)
196#define xlog_trace_loggrant_dealloc(log)
173#define xlog_trace_loggrant(log,tic,string) 197#define xlog_trace_loggrant(log,tic,string)
198
199#define xlog_trace_iclog_alloc(iclog)
200#define xlog_trace_iclog_dealloc(iclog)
174#define xlog_trace_iclog(iclog,state) 201#define xlog_trace_iclog(iclog,state)
202
175#endif /* XFS_LOG_TRACE */ 203#endif /* XFS_LOG_TRACE */
176 204
177 205
@@ -1009,7 +1037,7 @@ xlog_iodone(xfs_buf_t *bp)
1009 * layer, it means the underlyin device no longer supports 1037 * layer, it means the underlyin device no longer supports
1010 * barrier I/O. Warn loudly and turn off barriers. 1038 * barrier I/O. Warn loudly and turn off barriers.
1011 */ 1039 */
1012 if ((l->l_mp->m_flags & XFS_MOUNT_BARRIER) && !XFS_BUF_ORDERED(bp)) { 1040 if ((l->l_mp->m_flags & XFS_MOUNT_BARRIER) && !XFS_BUF_ISORDERED(bp)) {
1013 l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER; 1041 l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER;
1014 xfs_fs_cmn_err(CE_WARN, l->l_mp, 1042 xfs_fs_cmn_err(CE_WARN, l->l_mp,
1015 "xlog_iodone: Barriers are no longer supported" 1043 "xlog_iodone: Barriers are no longer supported"
@@ -1231,6 +1259,7 @@ xlog_alloc_log(xfs_mount_t *mp,
1231 spin_lock_init(&log->l_grant_lock); 1259 spin_lock_init(&log->l_grant_lock);
1232 sv_init(&log->l_flush_wait, 0, "flush_wait"); 1260 sv_init(&log->l_flush_wait, 0, "flush_wait");
1233 1261
1262 xlog_trace_loggrant_alloc(log);
1234 /* log record size must be multiple of BBSIZE; see xlog_rec_header_t */ 1263 /* log record size must be multiple of BBSIZE; see xlog_rec_header_t */
1235 ASSERT((XFS_BUF_SIZE(bp) & BBMASK) == 0); 1264 ASSERT((XFS_BUF_SIZE(bp) & BBMASK) == 0);
1236 1265
@@ -1285,6 +1314,8 @@ xlog_alloc_log(xfs_mount_t *mp,
1285 sv_init(&iclog->ic_force_wait, SV_DEFAULT, "iclog-force"); 1314 sv_init(&iclog->ic_force_wait, SV_DEFAULT, "iclog-force");
1286 sv_init(&iclog->ic_write_wait, SV_DEFAULT, "iclog-write"); 1315 sv_init(&iclog->ic_write_wait, SV_DEFAULT, "iclog-write");
1287 1316
1317 xlog_trace_iclog_alloc(iclog);
1318
1288 iclogp = &iclog->ic_next; 1319 iclogp = &iclog->ic_next;
1289 } 1320 }
1290 *iclogp = log->l_iclog; /* complete ring */ 1321 *iclogp = log->l_iclog; /* complete ring */
@@ -1565,11 +1596,7 @@ xlog_dealloc_log(xlog_t *log)
1565 sv_destroy(&iclog->ic_force_wait); 1596 sv_destroy(&iclog->ic_force_wait);
1566 sv_destroy(&iclog->ic_write_wait); 1597 sv_destroy(&iclog->ic_write_wait);
1567 xfs_buf_free(iclog->ic_bp); 1598 xfs_buf_free(iclog->ic_bp);
1568#ifdef XFS_LOG_TRACE 1599 xlog_trace_iclog_dealloc(iclog);
1569 if (iclog->ic_trace != NULL) {
1570 ktrace_free(iclog->ic_trace);
1571 }
1572#endif
1573 next_iclog = iclog->ic_next; 1600 next_iclog = iclog->ic_next;
1574 kmem_free(iclog); 1601 kmem_free(iclog);
1575 iclog = next_iclog; 1602 iclog = next_iclog;
@@ -1578,14 +1605,7 @@ xlog_dealloc_log(xlog_t *log)
1578 spinlock_destroy(&log->l_grant_lock); 1605 spinlock_destroy(&log->l_grant_lock);
1579 1606
1580 xfs_buf_free(log->l_xbuf); 1607 xfs_buf_free(log->l_xbuf);
1581#ifdef XFS_LOG_TRACE 1608 xlog_trace_loggrant_dealloc(log);
1582 if (log->l_trace != NULL) {
1583 ktrace_free(log->l_trace);
1584 }
1585 if (log->l_grant_trace != NULL) {
1586 ktrace_free(log->l_grant_trace);
1587 }
1588#endif
1589 log->l_mp->m_log = NULL; 1609 log->l_mp->m_log = NULL;
1590 kmem_free(log); 1610 kmem_free(log);
1591} /* xlog_dealloc_log */ 1611} /* xlog_dealloc_log */
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index c8a5b22ee3e3..e7d8f84443fa 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -448,7 +448,6 @@ typedef struct log {
448 int l_grant_write_bytes; 448 int l_grant_write_bytes;
449 449
450#ifdef XFS_LOG_TRACE 450#ifdef XFS_LOG_TRACE
451 struct ktrace *l_trace;
452 struct ktrace *l_grant_trace; 451 struct ktrace *l_grant_trace;
453#endif 452#endif
454 453
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index aa238c8fbd7a..8b6812f66a15 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1838,6 +1838,12 @@ again:
1838#endif 1838#endif
1839} 1839}
1840 1840
1841/*
1842 * xfs_lock_two_inodes() can only be used to lock one type of lock
1843 * at a time - the iolock or the ilock, but not both at once. If
1844 * we lock both at once, lockdep will report false positives saying
1845 * we have violated locking orders.
1846 */
1841void 1847void
1842xfs_lock_two_inodes( 1848xfs_lock_two_inodes(
1843 xfs_inode_t *ip0, 1849 xfs_inode_t *ip0,
@@ -1848,6 +1854,8 @@ xfs_lock_two_inodes(
1848 int attempts = 0; 1854 int attempts = 0;
1849 xfs_log_item_t *lp; 1855 xfs_log_item_t *lp;
1850 1856
1857 if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL))
1858 ASSERT((lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)) == 0);
1851 ASSERT(ip0->i_ino != ip1->i_ino); 1859 ASSERT(ip0->i_ino != ip1->i_ino);
1852 1860
1853 if (ip0->i_ino > ip1->i_ino) { 1861 if (ip0->i_ino > ip1->i_ino) {
@@ -3152,6 +3160,13 @@ error1: /* Just cancel transaction */
3152/* 3160/*
3153 * Zero file bytes between startoff and endoff inclusive. 3161 * Zero file bytes between startoff and endoff inclusive.
3154 * The iolock is held exclusive and no blocks are buffered. 3162 * The iolock is held exclusive and no blocks are buffered.
3163 *
3164 * This function is used by xfs_free_file_space() to zero
3165 * partial blocks when the range to free is not block aligned.
3166 * When unreserving space with boundaries that are not block
3167 * aligned we round up the start and round down the end
3168 * boundaries and then use this function to zero the parts of
3169 * the blocks that got dropped during the rounding.
3155 */ 3170 */
3156STATIC int 3171STATIC int
3157xfs_zero_remaining_bytes( 3172xfs_zero_remaining_bytes(
@@ -3168,6 +3183,17 @@ xfs_zero_remaining_bytes(
3168 int nimap; 3183 int nimap;
3169 int error = 0; 3184 int error = 0;
3170 3185
3186 /*
3187 * Avoid doing I/O beyond eof - it's not necessary
3188 * since nothing can read beyond eof. The space will
3189 * be zeroed when the file is extended anyway.
3190 */
3191 if (startoff >= ip->i_size)
3192 return 0;
3193
3194 if (endoff > ip->i_size)
3195 endoff = ip->i_size;
3196
3171 bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize, 3197 bp = xfs_buf_get_noaddr(mp->m_sb.sb_blocksize,
3172 XFS_IS_REALTIME_INODE(ip) ? 3198 XFS_IS_REALTIME_INODE(ip) ?
3173 mp->m_rtdev_targp : mp->m_ddev_targp); 3199 mp->m_rtdev_targp : mp->m_ddev_targp);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 00:35:30 -0500