Btrfs: fix off-by-one in cow_file_range_inline()

Btrfs could still inline file data if its size is same as
page size, so don't skip max value here.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d1c69beb054f..75c6de26405c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -249,8 +249,8 @@ static noinline int cow_file_range_inline(struct btrfs_root *root,
                 data_len = compressed_size;
 
         if (start > 0 ||
-            actual_end >= PAGE_CACHE_SIZE ||
-            data_len >= BTRFS_MAX_INLINE_DATA_SIZE(root) ||
+            actual_end > PAGE_CACHE_SIZE ||
+            data_len > BTRFS_MAX_INLINE_DATA_SIZE(root) ||
             (!compressed_size &&
             (actual_end & (root->sectorsize - 1)) == 0) ||
             end + 1 < isize ||