smb/client/misc.c

579 void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
584 		cinode->oplock = CIFS_CACHE_WRITE_FLG | CIFS_CACHE_READ_FLG;
586 			 &cinode->netfs.inode);
588 		cinode->oplock = CIFS_CACHE_READ_FLG;
590 			 &cinode->netfs.inode);
592 		cinode->oplock = 0;
599 int cifs_get_writer(struct cifsInodeInfo *cinode)
604 	rc = wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_OPLOCK_BREAK,
609 	spin_lock(&cinode->writers_lock);
610 	if (!cinode->writers)
611 		set_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
612 	cinode->writers++;
614 	if (test_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags)) {
615 		cinode->writers--;
616 		if (cinode->writers == 0) {
617 			clear_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
618 			wake_up_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS);
620 		spin_unlock(&cinode->writers_lock);
623 	spin_unlock(&cinode->writers_lock);
627 void cifs_put_writer(struct cifsInodeInfo *cinode)
629 	spin_lock(&cinode->writers_lock);
630 	cinode->writers--;
631 	if (cinode->writers == 0) {
632 		clear_bit(CIFS_INODE_PENDING_WRITERS, &cinode->flags);
633 		wake_up_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS);
635 	spin_unlock(&cinode->writers_lock);
661 void cifs_done_oplock_break(struct cifsInodeInfo *cinode)
663 	clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
664 	wake_up_bit(&cinode->flags, CIFS_INODE_PENDING_OPLOCK_BREAK);
884 	struct cifsInodeInfo *cinode = CIFS_I(inode);
887 	spin_lock(&cinode->open_file_lock);
895 		list_for_each_entry(cfile, &cinode->openFileList, flist) {
901 		list_for_each_entry(cfile, &cinode->openFileList, flist)
904 	spin_unlock(&cinode->open_file_lock);