[PATCH 5/6] Btrfs: fix wrong write range for filemap_fdatawrite_range()
From: Wang Shilong <hidden>
Date: 2014-07-17 03:49:37
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
filemap_fdatawrite_range() expect the third arg to be @end not @len, fix it. Signed-off-by: Wang Shilong <redacted> --- fs/btrfs/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e2c3d63..ed8b55c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c@@ -7567,7 +7567,8 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, count = iov_iter_count(iter); if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, &BTRFS_I(inode)->runtime_flags)) - filemap_fdatawrite_range(inode->i_mapping, offset, count); + filemap_fdatawrite_range(inode->i_mapping, offset, + offset + count - 1); if (rw & WRITE) { /*
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1.8.2.1