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-rw-r--r--fs/smb/client/file.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 1421bde045c2..cb907e18cc35 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -998,7 +998,10 @@ int cifs_open(struct inode *inode, struct file *file)
/* Get the cached handle as SMB2 close is deferred */
if (OPEN_FMODE(file->f_flags) & FMODE_WRITE) {
- rc = cifs_get_writable_path(tcon, full_path, FIND_WR_FSUID_ONLY, &cfile);
+ rc = cifs_get_writable_path(tcon, full_path,
+ FIND_WR_FSUID_ONLY |
+ FIND_WR_NO_PENDING_DELETE,
+ &cfile);
} else {
rc = cifs_get_readable_path(tcon, full_path, &cfile);
}
@@ -2530,6 +2533,9 @@ refind_writable:
continue;
if (with_delete && !(open_file->fid.access & DELETE))
continue;
+ if ((flags & FIND_WR_NO_PENDING_DELETE) &&
+ open_file->status_file_deleted)
+ continue;
if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) {
if (!open_file->invalidHandle) {
/* found a good writable file */
@@ -2647,6 +2653,16 @@ cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
spin_unlock(&tcon->open_file_lock);
free_dentry_path(page);
*ret_file = find_readable_file(cinode, 0);
+ if (*ret_file) {
+ spin_lock(&cinode->open_file_lock);
+ if ((*ret_file)->status_file_deleted) {
+ spin_unlock(&cinode->open_file_lock);
+ cifsFileInfo_put(*ret_file);
+ *ret_file = NULL;
+ } else {
+ spin_unlock(&cinode->open_file_lock);
+ }
+ }
return *ret_file ? 0 : -ENOENT;
}
@@ -2999,38 +3015,38 @@ static const struct vm_operations_struct cifs_file_vm_ops = {
.page_mkwrite = cifs_page_mkwrite,
};
-int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
+int cifs_file_strict_mmap_prepare(struct vm_area_desc *desc)
{
int xid, rc = 0;
- struct inode *inode = file_inode(file);
+ struct inode *inode = file_inode(desc->file);
xid = get_xid();
if (!CIFS_CACHE_READ(CIFS_I(inode)))
rc = cifs_zap_mapping(inode);
if (!rc)
- rc = generic_file_mmap(file, vma);
+ rc = generic_file_mmap_prepare(desc);
if (!rc)
- vma->vm_ops = &cifs_file_vm_ops;
+ desc->vm_ops = &cifs_file_vm_ops;
free_xid(xid);
return rc;
}
-int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
+int cifs_file_mmap_prepare(struct vm_area_desc *desc)
{
int rc, xid;
xid = get_xid();
- rc = cifs_revalidate_file(file);
+ rc = cifs_revalidate_file(desc->file);
if (rc)
cifs_dbg(FYI, "Validation prior to mmap failed, error=%d\n",
rc);
if (!rc)
- rc = generic_file_mmap(file, vma);
+ rc = generic_file_mmap_prepare(desc);
if (!rc)
- vma->vm_ops = &cifs_file_vm_ops;
+ desc->vm_ops = &cifs_file_vm_ops;
free_xid(xid);
return rc;