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-rw-r--r--fs/hfsplus/inode.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 486021773911..88bf1b562641 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -31,10 +31,19 @@ static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
+ 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,
hfsplus_get_block,
&HFSPLUS_I(mapping->host).phys_size);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)