X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libsysio%2Fsrc%2Ffs.c;fp=libsysio%2Fsrc%2Ffs.c;h=0000000000000000000000000000000000000000;hb=cdfbc722f4d63d3ed3740cbb549062f712010d90;hp=0c9bd52f1c44a7a39e009d0e35ba03310d254029;hpb=fc75c4b4f597f095fc16d6119427f17f0d8e2a85;p=fs%2Flustre-release.git diff --git a/libsysio/src/fs.c b/libsysio/src/fs.c deleted file mode 100644 index 0c9bd52..0000000 --- a/libsysio/src/fs.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * This Cplant(TM) source code is the property of Sandia National - * Laboratories. - * - * This Cplant(TM) source code is copyrighted by Sandia National - * Laboratories. - * - * The redistribution of this Cplant(TM) source code is subject to the - * terms of the GNU Lesser General Public License - * (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html) - * - * Cplant(TM) Copyright 1998-2003 Sandia Corporation. - * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive - * license for use of this work by or on behalf of the US Government. - * Export of this program may require a license from the United States - * Government. - */ - -/* - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Questions or comments about this library should be sent to: - * - * Lee Ward - * Sandia National Laboratories, New Mexico - * P.O. Box 5800 - * Albuquerque, NM 87185-1110 - * - * lee@sandia.gov - */ - -#include -#include -#include -#include -#include -#include -#include - -#include "sysio.h" -#include "fs.h" -#include "inode.h" - -/* - * File system abstractipon support. - */ - -/* - * The "file system switch". - */ -static LIST_HEAD(, fsswent) fsswitch = { NULL }; - -/* - * Lookup named entry in the switch. - */ -struct fsswent * -_sysio_fssw_lookup(const char *name) -{ - struct fsswent *fssw; - - if (!fsswitch.lh_first) - return NULL; - - fssw = fsswitch.lh_first; - do { - if (strcmp(fssw->fssw_name, name) == 0) - return fssw; - fssw = fssw->fssw_link.le_next; - } while (fssw); - return NULL; -} - -/* - * Register driver. - */ -int -_sysio_fssw_register(const char *name, struct fssw_ops *ops) -{ - struct fsswent *fssw; - - fssw = _sysio_fssw_lookup(name); - if (fssw) - return -EEXIST; - - fssw = malloc(sizeof(struct fsswent) + strlen(name) + 1); - if (!fssw) - return -ENOMEM; - fssw->fssw_name = (char *)fssw + sizeof(struct fsswent); - (void )strcpy((char *)fssw->fssw_name, name); - fssw->fssw_ops = *ops; - - LIST_INSERT_HEAD(&fsswitch, fssw, fssw_link); - - return 0; -} - -#ifdef ZERO_SUM_MEMORY -/* - * Shutdown - */ -void -_sysio_fssw_shutdown() -{ - struct fsswent *fssw; - - while ((fssw = fsswitch.lh_first)) { - LIST_REMOVE(fssw, fssw_link); - free(fssw); - } -} -#endif - -/* - * Allocate and initialize a new file system record. - */ -struct filesys * -_sysio_fs_new(struct filesys_ops *ops, unsigned flags, void *private) -{ - struct filesys *fs; - - fs = malloc(sizeof(struct filesys)); - if (!fs) - return NULL; - FS_INIT(fs, flags, ops, private); - return fs; -} - -/* - * Dispose of given file system record. - */ -void -_sysio_fs_gone(struct filesys *fs) -{ - size_t n; - struct itable_entry *head; - - if (fs->fs_ref) - abort(); - n = FS_ITBLSIZ; - do { - head = &fs->fs_itbl[--n]; - while (head->lh_first) - _sysio_i_gone(head->lh_first); - } while (n); - if (n) - abort(); - - (*fs->fs_ops.fsop_gone)(fs); - free(fs); -}