diff options
Diffstat (limited to 'fs/bfs/file.c')
| -rw-r--r-- | fs/bfs/file.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/bfs/file.c b/fs/bfs/file.c index 88b9a3ff44e..8fc2e9c9739 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -168,9 +168,17 @@ static int bfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - *pagep = NULL; - return block_write_begin(file, mapping, pos, len, flags, - pagep, fsdata, bfs_get_block); + int ret; + + ret = block_write_begin(mapping, pos, len, flags, pagep, + bfs_get_block); + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; } static sector_t bfs_bmap(struct address_space *mapping, sector_t block) |