smb/client/file.c

630 cifs_has_mand_locks(struct cifsInodeInfo *cinode)
635 	down_read(&cinode->lock_sem);
636 	list_for_each_entry(cur, &cinode->llist, llist) {
642 	up_read(&cinode->lock_sem);
662 	struct cifsInodeInfo *cinode = CIFS_I(inode);
712 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
717 	cifs_down_write(&cinode->lock_sem);
718 	list_add(&fdlocks->llist, &cinode->llist);
719 	up_write(&cinode->lock_sem);
733 	spin_lock(&cinode->open_file_lock);
735 		list_add(&cfile->flist, &cinode->openFileList);
737 		list_add_tail(&cfile->flist, &cinode->openFileList);
738 	spin_unlock(&cinode->open_file_lock);
844  * cinode->open_file_lock and cifs_file->file_info_lock.
1131 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1138 	down_read_nested(&cinode->lock_sem, SINGLE_DEPTH_NESTING);
1139 	if (cinode->can_cache_brlcks) {
1141 		up_read(&cinode->lock_sem);
1154 	up_read(&cinode->lock_sem);
1167 	struct cifsInodeInfo *cinode;
1302 	cinode = CIFS_I(inode);
1331 	if (server->ops->is_read_op(oplock) && cifs_has_mand_locks(cinode)) {
1362 	struct cifsInodeInfo *cinode = CIFS_I(inode);
1364 	return (cifs_sb->ctx->closetimeo && cinode->lease_granted && dclose &&
1365 			(cinode->oplock == CIFS_CACHE_RHW_FLG ||
1366 			 cinode->oplock == CIFS_CACHE_RH_FLG) &&
1367 			!test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags));
1374 	struct cifsInodeInfo *cinode = CIFS_I(inode);
1386 			if (test_and_clear_bit(NETFS_ICTX_MODIFIED_ATTR, &cinode->netfs.flags)) {
1390 			spin_lock(&cinode->deferred_lock);
1406 				spin_unlock(&cinode->deferred_lock);
1409 			spin_unlock(&cinode->deferred_lock);
1578 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1580 	list_for_each_entry(cur, &cinode->llist, llist) {
1604 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1608 	down_read(&cinode->lock_sem);
1621 	} else if (!cinode->can_cache_brlcks)
1626 	up_read(&cinode->lock_sem);
1633 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1634 	cifs_down_write(&cinode->lock_sem);
1636 	up_write(&cinode->lock_sem);
1650 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1656 	cifs_down_write(&cinode->lock_sem);
1661 	if (!exist && cinode->can_cache_brlcks) {
1663 		up_write(&cinode->lock_sem);
1673 		up_write(&cinode->lock_sem);
1679 		cifs_down_write(&cinode->lock_sem);
1683 	up_write(&cinode->lock_sem);
1699 	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
1705 	down_read(&cinode->lock_sem);
1708 	if (lock_is_unlock(flock) && !cinode->can_cache_brlcks) {
1713 	up_read(&cinode->lock_sem);
1727 	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
1733 	cifs_down_write(&cinode->lock_sem);
1734 	if (!cinode->can_cache_brlcks) {
1735 		up_write(&cinode->lock_sem);
1740 	up_write(&cinode->lock_sem);
1866 	 * added to the list while we are holding cinode->lock_sem that
1932 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
1940 	cifs_down_write(&cinode->lock_sem);
1941 	if (!cinode->can_cache_brlcks) {
1942 		up_write(&cinode->lock_sem);
1955 	cinode->can_cache_brlcks = false;
1956 	up_write(&cinode->lock_sem);
2092 	struct cifsInodeInfo *cinode = CIFS_I(inode);
2096 	spin_lock(&cinode->open_file_lock);
2098 	list_for_each_entry(open_file, &cinode->openFileList, flist) {
2105 	spin_unlock(&cinode->open_file_lock);
2135 	struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
2158 	cifs_down_write(&cinode->lock_sem);
2171 			if (cinode->can_cache_brlcks) {
2228 	up_write(&cinode->lock_sem);
2604 		struct cifsInodeInfo *cinode;
2614 		cinode = CIFS_I(d_inode(cfile->dentry));
2617 		return cifs_get_writable_file(cinode, flags, ret_file);
2636 		struct cifsInodeInfo *cinode;
2646 		cinode = CIFS_I(d_inode(cfile->dentry));
2649 		*ret_file = find_readable_file(cinode, 0);
2790 	struct cifsInodeInfo *cinode = CIFS_I(inode);
2803 	down_read(&cinode->lock_sem);
2820 	up_read(&cinode->lock_sem);
2831 	struct cifsInodeInfo *cinode = CIFS_I(inode);
2838 	written = cifs_get_writer(cinode);
2842 	if (CIFS_CACHE_WRITE(cinode)) {
2859 	if (CIFS_CACHE_READ(cinode)) {
2870 		cinode->oplock = 0;
2873 	cifs_put_writer(cinode);
2895 	struct cifsInodeInfo *cinode = CIFS_I(inode);
2901 		if (written > 0 && CIFS_CACHE_READ(cinode)) {
2906 			cinode->oplock = 0;
2911 	written = cifs_get_writer(cinode);
2924 	cifs_put_writer(cinode);
2932 	struct cifsInodeInfo *cinode = CIFS_I(inode);
2947 	if (!CIFS_CACHE_READ(cinode))
2965 		down_read(&cinode->lock_sem);
2971 		up_read(&cinode->lock_sem);
2978 		down_read(&cinode->lock_sem);
2984 		up_read(&cinode->lock_sem);
3093 	struct cifsInodeInfo *cinode = CIFS_I(inode);
3104 	 * being freed while we are accessing cinode. Otherwise, _cifsFileInfo_put()
3108 	wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS,
3117 	server->ops->downgrade_oplock(server, cinode, cfile->oplock_level,
3120 	if (!CIFS_CACHE_WRITE(cinode) && CIFS_CACHE_READ(cinode) &&
3121 						cifs_has_mand_locks(cinode)) {
3124 		cinode->oplock = 0;
3128 		if (CIFS_CACHE_READ(cinode))
3133 		if (!CIFS_CACHE_READ(cinode) || purge_cache) {
3139 		if (CIFS_CACHE_WRITE(cinode))
3154 	if (!CIFS_CACHE_HANDLE(cinode) && !list_empty(&cinode->deferred_closes))
3155 		cifs_close_deferred_file(cinode);
3167 	spin_lock(&cinode->open_file_lock);
3169 	if (!oplock_break_cancelled && !list_empty(&cinode->openFileList)) {
3170 		spin_unlock(&cinode->open_file_lock);
3172 						  volatile_fid, net_fid, cinode);
3175 		spin_unlock(&cinode->open_file_lock);
3179 	cifs_done_oplock_break(cinode);