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Diffstat (limited to 'fs/btrfs/ordered-data.c')
-rw-r--r--fs/btrfs/ordered-data.c74
1 files changed, 33 insertions, 41 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 7fedebbee558..5df02c707aee 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -237,14 +237,14 @@ static void insert_ordered_extent(struct btrfs_ordered_extent *entry)
/* One ref for the tree. */
refcount_inc(&entry->refs);
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
node = tree_insert(&inode->ordered_tree, entry->file_offset,
&entry->rb_node);
if (unlikely(node))
btrfs_panic(fs_info, -EEXIST,
"inconsistency in ordered tree at offset %llu",
entry->file_offset);
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
spin_lock(&root->ordered_extent_lock);
list_add_tail(&entry->root_extent_list,
@@ -328,9 +328,9 @@ void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry,
{
struct btrfs_inode *inode = entry->inode;
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
list_add_tail(&sum->list, &entry->list);
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
}
void btrfs_mark_ordered_extent_error(struct btrfs_ordered_extent *ordered)
@@ -417,15 +417,14 @@ void btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
bool uptodate)
{
struct btrfs_inode *inode = ordered->inode;
- unsigned long flags;
bool ret;
trace_btrfs_finish_ordered_extent(inode, file_offset, len, uptodate);
- spin_lock_irqsave(&inode->ordered_tree_lock, flags);
+ spin_lock(&inode->ordered_tree_lock);
ret = can_finish_ordered_extent(ordered, folio, file_offset, len,
uptodate);
- spin_unlock_irqrestore(&inode->ordered_tree_lock, flags);
+ spin_unlock(&inode->ordered_tree_lock);
/*
* If this is a COW write it means we created new extent maps for the
@@ -481,18 +480,16 @@ void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
{
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
- unsigned long flags;
u64 cur = file_offset;
+ const u64 end = file_offset + num_bytes;
- trace_btrfs_writepage_end_io_hook(inode, file_offset,
- file_offset + num_bytes - 1,
- uptodate);
+ trace_btrfs_writepage_end_io_hook(inode, file_offset, end - 1, uptodate);
- spin_lock_irqsave(&inode->ordered_tree_lock, flags);
- while (cur < file_offset + num_bytes) {
+ spin_lock(&inode->ordered_tree_lock);
+ while (cur < end) {
u64 entry_end;
- u64 end;
- u32 len;
+ u64 this_end;
+ u64 len;
node = ordered_tree_search(inode, cur);
/* No ordered extents at all */
@@ -535,19 +532,18 @@ void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
* |
* cur
*/
- end = min(entry->file_offset + entry->num_bytes,
- file_offset + num_bytes) - 1;
- ASSERT(end + 1 - cur < U32_MAX);
- len = end + 1 - cur;
+ this_end = min(entry_end, end);
+ len = this_end - cur;
+ ASSERT(len < U32_MAX);
if (can_finish_ordered_extent(entry, folio, cur, len, uptodate)) {
- spin_unlock_irqrestore(&inode->ordered_tree_lock, flags);
+ spin_unlock(&inode->ordered_tree_lock);
btrfs_queue_ordered_fn(entry);
- spin_lock_irqsave(&inode->ordered_tree_lock, flags);
+ spin_lock(&inode->ordered_tree_lock);
}
cur += len;
}
- spin_unlock_irqrestore(&inode->ordered_tree_lock, flags);
+ spin_unlock(&inode->ordered_tree_lock);
}
/*
@@ -573,10 +569,9 @@ bool btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
{
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
- unsigned long flags;
bool finished = false;
- spin_lock_irqsave(&inode->ordered_tree_lock, flags);
+ spin_lock(&inode->ordered_tree_lock);
if (cached && *cached) {
entry = *cached;
goto have_entry;
@@ -613,7 +608,7 @@ out:
refcount_inc(&entry->refs);
trace_btrfs_ordered_extent_dec_test_pending(inode, entry);
}
- spin_unlock_irqrestore(&inode->ordered_tree_lock, flags);
+ spin_unlock(&inode->ordered_tree_lock);
return finished;
}
@@ -678,7 +673,7 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
percpu_counter_add_batch(&fs_info->ordered_bytes, -entry->num_bytes,
fs_info->delalloc_batch);
- spin_lock_irq(&btrfs_inode->ordered_tree_lock);
+ spin_lock(&btrfs_inode->ordered_tree_lock);
node = &entry->rb_node;
rb_erase(node, &btrfs_inode->ordered_tree);
RB_CLEAR_NODE(node);
@@ -686,7 +681,7 @@ void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
btrfs_inode->ordered_tree_last = NULL;
set_bit(BTRFS_ORDERED_COMPLETE, &entry->flags);
pending = test_and_clear_bit(BTRFS_ORDERED_PENDING, &entry->flags);
- spin_unlock_irq(&btrfs_inode->ordered_tree_lock);
+ spin_unlock(&btrfs_inode->ordered_tree_lock);
/*
* The current running transaction is waiting on us, we need to let it
@@ -971,9 +966,8 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino
{
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
- unsigned long flags;
- spin_lock_irqsave(&inode->ordered_tree_lock, flags);
+ spin_lock(&inode->ordered_tree_lock);
node = ordered_tree_search(inode, file_offset);
if (!node)
goto out;
@@ -986,7 +980,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino
trace_btrfs_ordered_extent_lookup(inode, entry);
}
out:
- spin_unlock_irqrestore(&inode->ordered_tree_lock, flags);
+ spin_unlock(&inode->ordered_tree_lock);
return entry;
}
@@ -999,7 +993,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
node = ordered_tree_search(inode, file_offset);
if (!node) {
node = ordered_tree_search(inode, file_offset + len);
@@ -1026,7 +1020,7 @@ out:
refcount_inc(&entry->refs);
trace_btrfs_ordered_extent_lookup_range(inode, entry);
}
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
return entry;
}
@@ -1041,7 +1035,7 @@ void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
btrfs_assert_inode_locked(inode);
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
for (n = rb_first(&inode->ordered_tree); n; n = rb_next(n)) {
struct btrfs_ordered_extent *ordered;
@@ -1055,7 +1049,7 @@ void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
refcount_inc(&ordered->refs);
trace_btrfs_ordered_extent_lookup_for_logging(inode, ordered);
}
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
}
/*
@@ -1068,7 +1062,7 @@ btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset)
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
node = ordered_tree_search(inode, file_offset);
if (!node)
goto out;
@@ -1077,7 +1071,7 @@ btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset)
refcount_inc(&entry->refs);
trace_btrfs_ordered_extent_lookup_first(inode, entry);
out:
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
return entry;
}
@@ -1099,7 +1093,7 @@ struct btrfs_ordered_extent *btrfs_lookup_first_ordered_range(
struct rb_node *next;
struct btrfs_ordered_extent *entry = NULL;
- spin_lock_irq(&inode->ordered_tree_lock);
+ spin_lock(&inode->ordered_tree_lock);
node = inode->ordered_tree.rb_node;
/*
* Here we don't want to use tree_search() which will use tree->last
@@ -1154,7 +1148,7 @@ out:
trace_btrfs_ordered_extent_lookup_first_range(inode, entry);
}
- spin_unlock_irq(&inode->ordered_tree_lock);
+ spin_unlock(&inode->ordered_tree_lock);
return entry;
}
@@ -1286,9 +1280,7 @@ struct btrfs_ordered_extent *btrfs_split_ordered_extent(
/*
* Take the root's ordered_extent_lock to avoid a race with
* btrfs_wait_ordered_extents() when updating the disk_bytenr and
- * disk_num_bytes fields of the ordered extent below. And we disable
- * IRQs because the inode's ordered_tree_lock is used in IRQ context
- * elsewhere.
+ * disk_num_bytes fields of the ordered extent below.
*
* There's no concern about a previous caller of
* btrfs_wait_ordered_extents() getting the trimmed ordered extent
generated by cgit (git 2.34.1) at 2025-12-04 09:20:55 +0000