commit 82264746678ab1248faa47d06e1d3dc0fccdf2f7
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Sun Nov 25 13:34:04 2007 -0500
Unionfs: update our inode size correctly upon partial write
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/mmap.c b/fs/unionfs/mmap.c
index ea5ef3d..8c07eed 100644
--- a/fs/unionfs/mmap.c
+++ b/fs/unionfs/mmap.c
@@ -250,7 +250,6 @@ static int unionfs_commit_write(struct file *file, struct
page *page,
int err = -ENOMEM;
struct inode *inode, *lower_inode;
struct file *lower_file = NULL;
- loff_t pos;
unsigned bytes = to - from;
char *page_data = NULL;
mm_segment_t old_fs;
@@ -293,12 +292,8 @@ static int unionfs_commit_write(struct file *file, struct
page *page,
if (err < 0)
goto out;
- inode->i_blocks = lower_inode->i_blocks;
- /* we may have to update i_size */
- pos = page_offset(page) + to;
- if (pos > i_size_read(inode))
- i_size_write(inode, pos);
- /* if vfs_write succeeded above, sync up our times */
+ /* if vfs_write succeeded above, sync up our times/sizes */
+ fsstack_copy_inode_size(inode, lower_inode);
unionfs_copy_attr_times(inode);
mark_inode_dirty_sync(inode);
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