diff options
| author | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
|---|---|---|
| committer | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
| commit | dfdbf3f6e2d279f2a46ed95614cb4bf07657394d (patch) | |
| tree | 2cc05669c5d3e47f7d4b28e31076b6dc6e771f36 /fs/reiserfs/inode.c | |
| parent | effff5718c380983788fe6c380671c18e15ac7c2 (diff) | |
Digi del-5.6 Complete2.6.31-digi-201102151558
Diffstat (limited to 'fs/reiserfs/inode.c')
| -rw-r--r-- | fs/reiserfs/inode.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index a14d6cd9eeda..d240c15bf086 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2531,6 +2531,12 @@ static int reiserfs_writepage(struct page *page, struct writeback_control *wbc) return reiserfs_write_full_page(page, wbc); } +static void reiserfs_truncate_failed_write(struct inode *inode) +{ + truncate_inode_pages(inode->i_mapping, inode->i_size); + reiserfs_truncate_file(inode, 0); +} + static int reiserfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, @@ -2597,6 +2603,8 @@ static int reiserfs_write_begin(struct file *file, if (ret) { unlock_page(page); page_cache_release(page); + /* Truncate allocated blocks */ + reiserfs_truncate_failed_write(inode); } return ret; } @@ -2689,8 +2697,7 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, ** transaction tracking stuff when the size changes. So, we have ** to do the i_size updates here. */ - pos += copied; - if (pos > inode->i_size) { + if (pos + copied > inode->i_size) { struct reiserfs_transaction_handle myth; reiserfs_write_lock(inode->i_sb); /* If the file have grown beyond the border where it @@ -2708,7 +2715,7 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, goto journal_error; } reiserfs_update_inode_transaction(inode); - inode->i_size = pos; + inode->i_size = pos + copied; /* * this will just nest into our transaction. It's important * to use mark_inode_dirty so the inode gets pushed around on the @@ -2735,6 +2742,10 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, out: unlock_page(page); page_cache_release(page); + + if (pos + len > inode->i_size) + reiserfs_truncate_failed_write(inode); + return ret == 0 ? copied : ret; journal_error: |