diff options
Diffstat (limited to 'fs/smb/client/file.c')
| -rw-r--r-- | fs/smb/client/file.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index a34de8ed5ed1..60103d5305d6 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -229,7 +229,8 @@ static void cifs_issue_read(struct netfs_io_subrequest *subreq) return; failed: - netfs_read_subreq_terminated(subreq, rc, false); + subreq->error = rc; + netfs_read_subreq_terminated(subreq); } /* @@ -1006,6 +1007,11 @@ int cifs_open(struct inode *inode, struct file *file) } else { _cifsFileInfo_put(cfile, true, false); } + } else { + /* hard link on the defeered close file */ + rc = cifs_get_hardlink_path(tcon, inode, file); + if (rc) + cifs_close_deferred_file(CIFS_I(inode)); } if (server->oplocks) @@ -2070,6 +2076,29 @@ cifs_move_llist(struct list_head *source, struct list_head *dest) list_move(li, dest); } +int +cifs_get_hardlink_path(struct cifs_tcon *tcon, struct inode *inode, + struct file *file) +{ + struct cifsFileInfo *open_file = NULL; + struct cifsInodeInfo *cinode = CIFS_I(inode); + int rc = 0; + + spin_lock(&tcon->open_file_lock); + spin_lock(&cinode->open_file_lock); + + list_for_each_entry(open_file, &cinode->openFileList, flist) { + if (file->f_flags == open_file->f_flags) { + rc = -EINVAL; + break; + } + } + + spin_unlock(&cinode->open_file_lock); + spin_unlock(&tcon->open_file_lock); + return rc; +} + void cifs_free_llist(struct list_head *llist) { |