btrfs: replace offset_in_entry with in_range

No point in duplicating the functionality just use the generic helper
that has the same semantics.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 985a215..07b0b42 100644 (file)
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -107,17 +107,6 @@ static struct rb_node *__tree_search(struct rb_root *root, u64 file_offset,
        return NULL;
 }
 
-/*
- * helper to check if a given offset is inside a given entry
- */
-static int offset_in_entry(struct btrfs_ordered_extent *entry, u64 file_offset)
-{
-       if (file_offset < entry->file_offset ||
-           entry->file_offset + entry->num_bytes <= file_offset)
-               return 0;
-       return 1;
-}
-
 static int range_overlaps(struct btrfs_ordered_extent *entry, u64 file_offset,
                          u64 len)
 {
@@ -142,7 +131,7 @@ static inline struct rb_node *tree_search(struct btrfs_ordered_inode_tree *tree,
        if (tree->last) {
                entry = rb_entry(tree->last, struct btrfs_ordered_extent,
                                 rb_node);
-               if (offset_in_entry(entry, file_offset))
+               if (in_range(file_offset, entry->file_offset, entry->num_bytes))
                        return tree->last;
        }
        ret = __tree_search(root, file_offset, &prev);
@@ -349,7 +338,7 @@ bool btrfs_dec_test_first_ordered_pending(struct btrfs_inode *inode,
                goto out;
 
        entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
-       if (!offset_in_entry(entry, *file_offset))
+       if (!in_range(*file_offset, entry->file_offset, entry->num_bytes))
                goto out;
 
        dec_start = max(*file_offset, entry->file_offset);
@@ -428,7 +417,7 @@ bool btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
 
        entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
 have_entry:
-       if (!offset_in_entry(entry, file_offset))
+       if (!in_range(file_offset, entry->file_offset, entry->num_bytes))
                goto out;
 
        if (io_size > entry->bytes_left)
@@ -779,7 +768,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *ino
                goto out;
 
        entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
-       if (!offset_in_entry(entry, file_offset))
+       if (!in_range(file_offset, entry->file_offset, entry->num_bytes))
                entry = NULL;
        if (entry)
                refcount_inc(&entry->refs);