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Diffstat (limited to 'fs/btrfs/ordered-data.c')
-rw-r--r--fs/btrfs/ordered-data.c40
1 files changed, 29 insertions, 11 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 1957b14b329a..1952ac85222c 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -272,25 +272,30 @@ void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry,
spin_unlock_irq(&tree->lock);
}
+static void finish_ordered_fn(struct btrfs_work *work)
+{
+ struct btrfs_ordered_extent *ordered_extent;
+
+ ordered_extent = container_of(work, struct btrfs_ordered_extent, work);
+ btrfs_finish_ordered_io(ordered_extent);
+}
+
/*
* Mark all ordered extents io inside the specified range finished.
*
- * @page: The invovled page for the opeartion.
+ * @page: The involved page for the operation.
* For uncompressed buffered IO, the page status also needs to be
* updated to indicate whether the pending ordered io is finished.
* Can be NULL for direct IO and compressed write.
* For these cases, callers are ensured they won't execute the
* endio function twice.
- * @finish_func: The function to be executed when all the IO of an ordered
- * extent are finished.
*
* This function is called for endio, thus the range must have ordered
- * extent(s) coveri it.
+ * extent(s) covering it.
*/
void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
- struct page *page, u64 file_offset,
- u64 num_bytes, btrfs_func_t finish_func,
- bool uptodate)
+ struct page *page, u64 file_offset,
+ u64 num_bytes, bool uptodate)
{
struct btrfs_ordered_inode_tree *tree = &inode->ordered_tree;
struct btrfs_fs_info *fs_info = inode->root->fs_info;
@@ -401,8 +406,9 @@ void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
set_bit(BTRFS_ORDERED_IO_DONE, &entry->flags);
cond_wake_up(&entry->wait);
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_mark_finished(inode, entry);
spin_unlock_irqrestore(&tree->lock, flags);
- btrfs_init_work(&entry->work, finish_func, NULL, NULL);
+ btrfs_init_work(&entry->work, finish_ordered_fn, NULL, NULL);
btrfs_queue_work(wq, &entry->work);
spin_lock_irqsave(&tree->lock, flags);
}
@@ -473,6 +479,7 @@ out:
if (finished && cached && entry) {
*cached = entry;
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_dec_test_pending(inode, entry);
}
spin_unlock_irqrestore(&tree->lock, flags);
return finished;
@@ -807,8 +814,10 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino
entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
if (!in_range(file_offset, entry->file_offset, entry->num_bytes))
entry = NULL;
- if (entry)
+ if (entry) {
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_lookup(inode, entry);
+ }
out:
spin_unlock_irqrestore(&tree->lock, flags);
return entry;
@@ -848,8 +857,10 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
break;
}
out:
- if (entry)
+ if (entry) {
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_lookup_range(inode, entry);
+ }
spin_unlock_irq(&tree->lock);
return entry;
}
@@ -878,6 +889,7 @@ void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
ASSERT(list_empty(&ordered->log_list));
list_add_tail(&ordered->log_list, list);
refcount_inc(&ordered->refs);
+ trace_btrfs_ordered_extent_lookup_for_logging(inode, ordered);
}
spin_unlock_irq(&tree->lock);
}
@@ -901,6 +913,7 @@ btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset)
entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_lookup_first(inode, entry);
out:
spin_unlock_irq(&tree->lock);
return entry;
@@ -975,8 +988,11 @@ struct btrfs_ordered_extent *btrfs_lookup_first_ordered_range(
/* No ordered extent in the range */
entry = NULL;
out:
- if (entry)
+ if (entry) {
refcount_inc(&entry->refs);
+ trace_btrfs_ordered_extent_lookup_first_range(inode, entry);
+ }
+
spin_unlock_irq(&tree->lock);
return entry;
}
@@ -1055,6 +1071,8 @@ int btrfs_split_ordered_extent(struct btrfs_ordered_extent *ordered, u64 pre,
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int ret = 0;
+ trace_btrfs_ordered_extent_split(BTRFS_I(inode), ordered);
+
spin_lock_irq(&tree->lock);
/* Remove from tree once */
node = &ordered->rb_node;