btrfs: declare rsv_count as unsigned int instead of int

rsv_count ultimately gets passed to start_transaction() which
now takes an unsigned int as its num_items parameter.
The value of rsv_count should always be positive so declare it
as being unsigned.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index b6695c4..7031e96 100644 (file)
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2263,7 +2263,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
        u64 drop_end;
        int ret = 0;
        int err = 0;
-       int rsv_count;
+       unsigned int rsv_count;
        bool same_page;
        bool no_holes = btrfs_fs_incompat(root->fs_info, NO_HOLES);
        u64 ino_size;