author: Christoph Hellwig <hch@lst.de> 2010-06-04 11:29:55 +0200
committer: Al Viro <viro@zeniv.linux.org.uk> 2010-08-09 16:47:31 -0400
commit: 282dc178849882289d30e58b54be6b2799b351aa
parent: ea0f04e59543bafb3d2cbe37a0d375acb0bb2c34
Commit Summary:
Diffstat:
1 file changed, 9 insertions, 1 deletion
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 277575ddc05c..16829722be93 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -320,10 +320,19 @@ static int qnx4_write_begin(struct file *file, struct address_space *mapping,
struct page **pagep, void **fsdata)
{
struct qnx4_inode_info *qnx4_inode = qnx4_i(mapping->host);
+ int ret;
+
*pagep = NULL;
- return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+ ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
qnx4_get_block,
&qnx4_inode->mmu_private);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t qnx4_bmap(struct address_space *mapping, sector_t block)
{