aboutsummaryrefslogtreecommitdiffstats
path: root/fs/bfs/file.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bfs/file.c')
-rw-r--r--fs/bfs/file.c14
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)