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author | Chris Mason <chris.mason@oracle.com> | 2008-02-19 16:24:18 -0500 |
---|---|---|
committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:00 -0400 |
commit | 0740c82bc7585a23e100c9a59d5e2abbf99459fb (patch) | |
tree | 66d27b4009e1d74623fed610c0cade55767e159d /fs/btrfs/file.c | |
parent | d99cb30a11ea117ad0f58cda09aa43438ebbf81c (diff) |
Btrfs: Properly cast before shifting
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r-- | fs/btrfs/file.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 51466dcd44e0..5fa450452f9b 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c | |||
@@ -764,7 +764,7 @@ static int prepare_pages(struct btrfs_root *root, struct file *file, | |||
764 | } | 764 | } |
765 | if (start_pos < inode->i_size) { | 765 | if (start_pos < inode->i_size) { |
766 | u64 last_pos; | 766 | u64 last_pos; |
767 | last_pos = (index + num_pages) << PAGE_CACHE_SHIFT; | 767 | last_pos = ((u64)index + num_pages) << PAGE_CACHE_SHIFT; |
768 | lock_extent(&BTRFS_I(inode)->io_tree, | 768 | lock_extent(&BTRFS_I(inode)->io_tree, |
769 | start_pos, last_pos - 1, GFP_NOFS); | 769 | start_pos, last_pos - 1, GFP_NOFS); |
770 | clear_extent_bits(&BTRFS_I(inode)->io_tree, start_pos, | 770 | clear_extent_bits(&BTRFS_I(inode)->io_tree, start_pos, |