btrfs: defrag, use unsigned type for extent thresh

Signed type mismatches the ioctl structure, all extent calculations are
done on unsigned types.

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 0ff212757b955cf90e3f0e7736145e1ef432264e..87a7267a6bb2f50e2d0d28b57985937858533a06 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -885,7 +885,7 @@ out_unlock:
  * file you want to defrag, we return 0 to let you know to skip this
  * part of the file
  */
-static int check_defrag_in_cache(struct inode *inode, u64 offset, int thresh)
+static int check_defrag_in_cache(struct inode *inode, u64 offset, u32 thresh)
 {
        struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
        struct extent_map *em = NULL;
@@ -920,7 +920,7 @@ static int check_defrag_in_cache(struct inode *inode, u64 offset, int thresh)
  */
 static int find_new_extents(struct btrfs_root *root,
                            struct inode *inode, u64 newer_than,
-                           u64 *off, int thresh)
+                           u64 *off, u32 thresh)
 {
        struct btrfs_path *path;
        struct btrfs_key min_key;
@@ -1029,7 +1029,7 @@ static bool defrag_check_next_extent(struct inode *inode, struct extent_map *em)
        return ret;
 }
 
-static int should_defrag_range(struct inode *inode, u64 start, int thresh,
+static int should_defrag_range(struct inode *inode, u64 start, u32 thresh,
                               u64 *last_len, u64 *skip, u64 *defrag_end,
                               int compress)
 {
@@ -1259,7 +1259,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
        int ret;
        int defrag_count = 0;
        int compress_type = BTRFS_COMPRESS_ZLIB;
-       int extent_thresh = range->extent_thresh;
+       u32 extent_thresh = range->extent_thresh;
        unsigned long max_cluster = (256 * 1024) >> PAGE_CACHE_SHIFT;
        unsigned long cluster = max_cluster;
        u64 new_align = ~((u64)128 * 1024 - 1);