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Diffstat (limited to 'fs/9p/vfs_file.c')
-rw-r--r--fs/9p/vfs_file.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c2483e97beee..d384a8b77ee8 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -80,10 +80,6 @@ int v9fs_file_open(struct inode *inode, struct file *file)
p9_client_clunk(fid);
return err;
}
- if (file->f_flags & O_TRUNC) {
- i_size_write(inode, 0);
- inode->i_blocks = 0;
- }
if ((file->f_flags & O_APPEND) &&
(!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses)))
generic_file_llseek(file, 0, SEEK_END);
@@ -133,7 +129,7 @@ out_error:
static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
{
int res = 0;
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
@@ -302,7 +298,7 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
int ret = -ENOLCK;
p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
@@ -338,7 +334,7 @@ out_err:
static int v9fs_file_flock_dotl(struct file *filp, int cmd,
struct file_lock *fl)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
int ret = -ENOLCK;
p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
@@ -529,7 +525,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
if (!count)
goto out;
- retval = v9fs_file_write_internal(filp->f_path.dentry->d_inode,
+ retval = v9fs_file_write_internal(file_inode(filp),
filp->private_data,
data, count, &origin, 1);
/* update offset on successful write */
@@ -604,7 +600,7 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
struct v9fs_inode *v9inode;
struct page *page = vmf->page;
struct file *filp = vma->vm_file;
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
p9_debug(P9_DEBUG_VFS, "page %p fid %lx\n",
@@ -620,6 +616,7 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
lock_page(page);
if (page->mapping != inode->i_mapping)
goto out_unlock;
+ wait_for_stable_page(page);
return VM_FAULT_LOCKED;
out_unlock: