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-rw-r--r--fs/hostfs/hostfs_kern.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 87ac189..7943ff1 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -849,13 +849,14 @@ int hostfs_permission(struct inode *ino, int desired)
int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
{
+ struct inode *inode = dentry->d_inode;
struct hostfs_iattr attrs;
char *name;
int err;
- int fd = HOSTFS_I(dentry->d_inode)->fd;
+ int fd = HOSTFS_I(inode)->fd;
- err = inode_change_ok(dentry->d_inode, attr);
+ err = inode_change_ok(inode, attr);
if (err)
return err;
@@ -905,7 +906,18 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
if (err)
return err;
- return inode_setattr(dentry->d_inode, attr);
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode)) {
+ int error;
+
+ error = vmtruncate(inode, attr->ia_size);
+ if (err)
+ return err;
+ }
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
}
static const struct inode_operations hostfs_iops = {