/*!
* Check if the given name exists as a cell or alias. Locks afs_xcell.
* \param aname
* \return
*/
int
afs_CellOrAliasExists(char *aname)
{
int ret;
ObtainReadLock(&afs_xcell);
ret = afs_CellOrAliasExists_nl(aname);
ReleaseReadLock(&afs_xcell);
return ret;
}
/*!
* Create new cell alias entry and update dynroot vnode.
* \param alias
* \param cell
* \return
*/
afs_int32
afs_NewCellAlias(char *alias, char *cell)
{
struct cell_alias *tc;
ObtainSharedLock(&afs_xcell, 681);
if (afs_CellOrAliasExists_nl(alias)) {
ReleaseSharedLock(&afs_xcell);
return EEXIST;
}
UpgradeSToWLock(&afs_xcell, 682);
tc = (struct cell_alias *)afs_osi_Alloc(sizeof(struct cell_alias));
tc->alias = afs_strdup(alias);
tc->cell = afs_strdup(cell);
tc->next = afs_cellalias_head;
tc->index = afs_cellalias_index++;
afs_cellalias_head = tc;
ReleaseWriteLock(&afs_xcell);
afs_DynrootInvalidate();
return 0;
}
