2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
17 #include <afs/afsint.h>
20 #include <afs/ihandle.h>
25 /* returns 0 on success, errno on failure */
27 ReallyRead(DirHandle * file, int block, char *data)
33 fdP = IH_OPEN(file->dirh_handle);
38 nBytes = FDH_PREAD(fdP, data, AFS_PAGESIZE, ((afs_foff_t)block) * AFS_PAGESIZE);
39 if (nBytes != AFS_PAGESIZE) {
51 /* returns 0 on success, errno on failure */
53 ReallyWrite(DirHandle * file, int block, char *data)
56 extern int VolumeChanged;
62 fdP = IH_OPEN(file->dirh_handle);
67 nBytes = FDH_PWRITE(fdP, data, AFS_PAGESIZE, ((afs_foff_t)block) * AFS_PAGESIZE);
68 if (nBytes != AFS_PAGESIZE) {
81 /* SetSalvageDirHandle:
82 * Create a handle to a directory entry and reference it (IH_INIT).
83 * The handle needs to be dereferenced with the FidZap() routine.
86 SetSalvageDirHandle(DirHandle * dir, VolumeId volume, afs_int32 device,
89 private int SalvageCacheCheck = 1;
90 memset(dir, 0, sizeof(DirHandle));
92 dir->dirh_volume = volume;
93 dir->dirh_device = device;
94 dir->dirh_inode = inode;
95 IH_INIT(dir->dirh_handle, device, volume, inode);
97 /* Always re-read for a new dirhandle */
98 dir->dirh_cacheCheck = SalvageCacheCheck++;
102 FidZap(DirHandle * file)
104 IH_RELEASE(file->dirh_handle);
105 memset(file, 0, sizeof(DirHandle));
109 FidZero(DirHandle * file)
111 memset(file, 0, sizeof(DirHandle));
115 FidEq(DirHandle * afile, DirHandle * bfile)
117 if (afile->dirh_volume != bfile->dirh_volume)
119 if (afile->dirh_device != bfile->dirh_device)
121 if (afile->dirh_cacheCheck != bfile->dirh_cacheCheck)
123 if (afile->dirh_inode != bfile->dirh_inode)
129 FidVolEq(DirHandle * afile, afs_int32 vid)
131 if (afile->dirh_volume != vid)
137 FidCpy(DirHandle * tofile, DirHandle * fromfile)
140 IH_COPY(tofile->dirh_handle, fromfile->dirh_handle);
147 osi_Panic("%s\n", msg);