diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2021-02-04 13:22:04 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2021-02-09 04:46:06 +0300 |
| commit | 24533f6a9ad633d6ff0332844fadafb9ecf4a917 (patch) | |
| tree | d15f089c186672a3f6d7191fd1bfa2794d5758a2 /fs/btrfs/ordered-data.c | |
| parent | 08f455593fff701e103876d4db5d3f4f6d0ff871 (diff) | |
| download | linux-24533f6a9ad633d6ff0332844fadafb9ecf4a917.tar.xz | |
btrfs: save irq flags when looking up an ordered extent
A following patch will add another caller of
btrfs_lookup_ordered_extent(), but from a bio's endio context.
btrfs_lookup_ordered_extent() uses spin_lock_irq() which unconditionally
disables interrupts. Change this to spin_lock_irqsave() so interrupts
aren't disabled and re-enabled unconditionally.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ordered-data.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 2dc707f02f00..fe235ab935d3 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -767,9 +767,10 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino struct btrfs_ordered_inode_tree *tree; struct rb_node *node; struct btrfs_ordered_extent *entry = NULL; + unsigned long flags; tree = &inode->ordered_tree; - spin_lock_irq(&tree->lock); + spin_lock_irqsave(&tree->lock, flags); node = tree_search(tree, file_offset); if (!node) goto out; @@ -780,7 +781,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino if (entry) refcount_inc(&entry->refs); out: - spin_unlock_irq(&tree->lock); + spin_unlock_irqrestore(&tree->lock, flags); return entry; } |