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-rw-r--r--fs/udf/inode.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852bcf6f..ecddcc2ed74 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -127,9 +127,16 @@ static int udf_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,
- udf_get_block);
+ int ret;
+
+ ret = block_write_begin(mapping, pos, len, flags, pagep, udf_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 udf_bmap(struct address_space *mapping, sector_t block)