btrfs: switch search_file_offset_in_bio to return bool

Function search_file_offset_in_bio() finds the file offset in the
file_offset_ret, and we use the return value to indicate if it is
successful, so use bool.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 89e9415..fff09e5 100644 (file)
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -345,8 +345,8 @@ out:
  *
  * @inode is used to determine if the bvec page really belongs to @inode.
  *
- * Return 0 if we can't find the file offset
- * Return >0 if we find the file offset and restore it to @file_offset_ret
+ * Return false if we can't find the file offset
+ * Return true if we find the file offset and restore it to @file_offset_ret
  */
 static int search_file_offset_in_bio(struct bio *bio, struct inode *inode,
                                     u64 disk_bytenr, u64 *file_offset_ret)
@@ -354,7 +354,7 @@ static int search_file_offset_in_bio(struct bio *bio, struct inode *inode,
        struct bvec_iter iter;
        struct bio_vec bvec;
        u64 cur = bio->bi_iter.bi_sector << SECTOR_SHIFT;
-       int ret = 0;
+       bool ret = false;
 
        bio_for_each_segment(bvec, bio, iter) {
                struct page *page = bvec.bv_page;
@@ -368,7 +368,7 @@ static int search_file_offset_in_bio(struct bio *bio, struct inode *inode,
                ASSERT(in_range(disk_bytenr, cur, bvec.bv_len));
                if (page->mapping && page->mapping->host &&
                    page->mapping->host == inode) {
-                       ret = 1;
+                       ret = true;
                        *file_offset_ret = page_offset(page) + bvec.bv_offset +
                                           disk_bytenr - cur;
                        break;