/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#endif
#include <dirent.h>
#include <sys/stat.h>
-#ifdef AFS_PTHREAD_ENV
-#include <assert.h>
-#else /* AFS_PTHREAD_ENV */
-#include <afs/assert.h>
-#endif /* AFS_PTHREAD_ENV */
+#include <afs/afs_assert.h>
#include <rx/xdr.h>
#include <afs/afsint.h>
#include "volinodes.h"
#include "vol_prototypes.h"
+#include "common.h"
#ifdef AFS_AIX_ENV
#include <sys/lockf.h>
#define afs_open open
#endif /* !O_LARGEFILE */
-/*@printflike@*/ extern void Log(const char *format, ...);
-
-#define nFILES (sizeof (stuff)/sizeof(struct stuff))
/* Note: the volume creation functions herein leave the destroyMe flag in the
volume header ON: this means that the volumes will not be attached by the
#ifdef FSSYNC_BUILD_CLIENT
static void
-RemoveInodes(Device dev, VolumeId vid)
+RemoveInodes(struct afs_inode_info *stuff, Device dev, VolumeId vid)
{
- register int i;
+ int i;
IHandle_t *handle;
/* This relies on the fact that IDEC only needs the device and NT only
* needs the dev and vid to decrement volume special files.
*/
IH_INIT(handle, dev, vid, -1);
- for (i = 0; i < nFILES; i++) {
+ for (i = 0; i < MAXINODETYPE; i++) {
Inode inode = *stuff[i].inode;
if (VALID_INO(inode))
IH_DEC(handle, inode, vid);
Inode nearInode = 0;
char *part, *name;
struct stat st;
+ struct VolumeHeader tempHeader;
+ struct afs_inode_info stuff[MAXINODETYPE];
+ afs_ino_str_t stmp;
# ifdef AFS_DEMAND_ATTACH_FS
int locktype = 0;
# endif /* AFS_DEMAND_ATTACH_FS */
+ init_inode_info(&tempHeader, stuff);
+
*ec = 0;
memset(&vol, 0, sizeof(vol));
vol.id = volumeId;
}
device = partition->device;
- for (i = 0; i < nFILES; i++) {
- register struct stuff *p = &stuff[i];
+ for (i = 0; i < MAXINODETYPE; i++) {
+ struct afs_inode_info *p = &stuff[i];
if (p->obsolete)
continue;
#ifdef AFS_NAMEI_ENV
(p->inodeType == VI_LINKTABLE) ? vol.parentId : vol.id,
INODESPECIAL, p->inodeType, vol.parentId);
if (!(VALID_INO(*(p->inode)))) {
- if (errno == EEXIST) {
+ if (errno == EEXIST && (p->inodeType == VI_LINKTABLE)) {
/* Increment the reference count instead. */
IHandle_t *lh;
int code;
-#ifdef AFS_NT40_ENV
- *(p->inode) = nt_MakeSpecIno(VI_LINKTABLE);
-#else
*(p->inode) = namei_MakeSpecIno(vol.parentId, VI_LINKTABLE);
-#endif
IH_INIT(lh, device, parentId, *(p->inode));
fdP = IH_OPEN(lh);
if (fdP == NULL) {
bad:
if (handle)
IH_RELEASE(handle);
- RemoveInodes(device, vol.id);
+ RemoveInodes(stuff, device, vol.id);
if (!*ec) {
*ec = VNOVOL;
}
fdP = IH_OPEN(handle);
if (fdP == NULL) {
Log("VCreateVolume: Problem iopen inode %s (err=%d)\n",
- PrintInode(NULL, *(p->inode)), errno);
- goto bad;
- }
- if (FDH_SEEK(fdP, 0, SEEK_SET) < 0) {
- Log("VCreateVolume: Problem lseek inode %s (err=%d)\n",
- PrintInode(NULL, *(p->inode)), errno);
- FDH_REALLYCLOSE(fdP);
+ PrintInode(stmp, *(p->inode)), errno);
goto bad;
}
- if (FDH_WRITE(fdP, (char *)&p->stamp, sizeof(p->stamp)) !=
+ if (FDH_PWRITE(fdP, (char *)&p->stamp, sizeof(p->stamp), 0) !=
sizeof(p->stamp)) {
Log("VCreateVolume: Problem writing to inode %s (err=%d)\n",
- PrintInode(NULL, *(p->inode)), errno);
+ PrintInode(stmp, *(p->inode)), errno);
FDH_REALLYCLOSE(fdP);
goto bad;
}
fdP = IH_OPEN(handle);
if (fdP == NULL) {
Log("VCreateVolume: Problem iopen inode %s (err=%d)\n",
- PrintInode(NULL, tempHeader.volumeInfo), errno);
+ PrintInode(stmp, tempHeader.volumeInfo), errno);
goto bad;
}
- if (FDH_SEEK(fdP, 0, SEEK_SET) < 0) {
- Log("VCreateVolume: Problem lseek inode %s (err=%d)\n",
- PrintInode(NULL, tempHeader.volumeInfo), errno);
- FDH_REALLYCLOSE(fdP);
- goto bad;
- }
- if (FDH_WRITE(fdP, (char *)&vol, sizeof(vol)) != sizeof(vol)) {
+ if (FDH_PWRITE(fdP, (char *)&vol, sizeof(vol), 0) != sizeof(vol)) {
Log("VCreateVolume: Problem writing to inode %s (err=%d)\n",
- PrintInode(NULL, tempHeader.volumeInfo), errno);
+ PrintInode(stmp, tempHeader.volumeInfo), errno);
FDH_REALLYCLOSE(fdP);
goto bad;
}
void
-AssignVolumeName(register VolumeDiskData * vol, char *name, char *ext)
+AssignVolumeName(VolumeDiskData * vol, char *name, char *ext)
{
VOL_LOCK;
AssignVolumeName_r(vol, name, ext);
}
void
-AssignVolumeName_r(register VolumeDiskData * vol, char *name, char *ext)
+AssignVolumeName_r(VolumeDiskData * vol, char *name, char *ext)
{
- register char *dot;
+ char *dot;
strncpy(vol->name, name, VNAMESIZE - 1);
vol->name[VNAMESIZE - 1] = '\0';
dot = strrchr(vol->name, '.');
}
void
-ClearVolumeStats(register VolumeDiskData * vol)
+ClearVolumeStats(VolumeDiskData * vol)
{
VOL_LOCK;
ClearVolumeStats_r(vol);
}
void
-ClearVolumeStats_r(register VolumeDiskData * vol)
+ClearVolumeStats_r(VolumeDiskData * vol)
{
memset(vol->weekUse, 0, sizeof(vol->weekUse));
vol->dayUse = 0;
return code;
}
-#ifdef AFS_PTHREAD_ENV
-# define AFS_LF_LOCK(lf) assert(pthread_mutex_lock(&((lf)->mutex)) == 0)
-# define AFS_LF_UNLOCK(lf) assert(pthread_mutex_unlock(&((lf)->mutex)) == 0)
-#else
-# define AFS_LF_LOCK(lf)
-# define AFS_LF_UNLOCK(lf)
-#endif /* AFS_PTHREAD_ENV */
-
/**
* initialize a struct VLockFile.
*
memset(lf, 0, sizeof(*lf));
lf->path = strdup(path);
lf->fd = INVALID_FD;
-#ifdef AFS_PTHREAD_ENV
- assert(pthread_mutex_init(&lf->mutex, NULL) == 0);
-#endif /* AFS_PTHREAD_ENV */
+ MUTEX_INIT(&lf->mutex, "vlockfile", MUTEX_DEFAULT, 0);
}
#ifdef AFS_NT40_ENV
void
VLockFileReinit(struct VLockFile *lf)
{
-#ifdef AFS_PTHREAD_ENV
- assert(pthread_mutex_lock(&lf->mutex) == 0);
-#endif /* AFS_PTHREAD_ENV */
+ MUTEX_ENTER(&lf->mutex);
if (lf->fd != INVALID_FD) {
_VCloseFd(lf->fd);
lf->refcount = 0;
-#ifdef AFS_PTHREAD_ENV
- assert(pthread_mutex_unlock(&lf->mutex) == 0);
-#endif /* AFS_PTHREAD_ENV */
+ MUTEX_EXIT(&lf->mutex);
}
/**
{
int code;
- assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
+ osi_Assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
- AFS_LF_LOCK(lf);
+ MUTEX_ENTER(&lf->mutex);
if (lf->fd == INVALID_FD) {
lf->fd = _VOpenPath(lf->path);
if (lf->fd == INVALID_FD) {
- AFS_LF_UNLOCK(lf);
+ MUTEX_EXIT(&lf->mutex);
return EIO;
}
}
lf->refcount++;
- AFS_LF_UNLOCK(lf);
+ MUTEX_EXIT(&lf->mutex);
code = _VLockFd(lf->fd, offset, locktype, nonblock);
if (code) {
- AFS_LF_LOCK(lf);
+ MUTEX_ENTER(&lf->mutex);
if (--lf->refcount < 1) {
_VCloseFd(lf->fd);
lf->fd = INVALID_FD;
}
- AFS_LF_UNLOCK(lf);
+ MUTEX_EXIT(&lf->mutex);
}
return code;
void
VLockFileUnlock(struct VLockFile *lf, afs_uint32 offset)
{
- AFS_LF_LOCK(lf);
+ MUTEX_ENTER(&lf->mutex);
- assert(lf->fd != INVALID_FD);
+ osi_Assert(lf->fd != INVALID_FD);
if (--lf->refcount < 1) {
_VCloseFd(lf->fd);
_VUnlockFd(lf->fd, offset);
}
- AFS_LF_UNLOCK(lf);
+ MUTEX_EXIT(&lf->mutex);
}
#ifdef AFS_DEMAND_ATTACH_FS
void
VDiskLockInit(struct VDiskLock *dl, struct VLockFile *lf, afs_uint32 offset)
{
- assert(lf);
+ osi_Assert(lf);
memset(dl, 0, sizeof(*dl));
Lock_Init(&dl->rwlock);
- assert(pthread_mutex_init(&dl->mutex, NULL) == 0);
- assert(pthread_cond_init(&dl->cv, NULL) == 0);
+ MUTEX_INIT(&dl->mutex, "disklock", MUTEX_DEFAULT, 0);
+ CV_INIT(&dl->cv, "disklock cv", CV_DEFAULT, 0);
dl->lockfile = lf;
dl->offset = offset;
}
VGetDiskLock(struct VDiskLock *dl, int locktype, int nonblock)
{
int code = 0;
- assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
+ osi_Assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
if (nonblock) {
if (locktype == READ_LOCK) {
ObtainWriteLock(&dl->rwlock);
}
- assert(pthread_mutex_lock(&dl->mutex) == 0);
+ MUTEX_ENTER(&dl->mutex);
if ((dl->flags & VDISKLOCK_ACQUIRING)) {
/* Some other thread is waiting to acquire an fs lock. If nonblock=1,
code = EBUSY;
} else {
while ((dl->flags & VDISKLOCK_ACQUIRING)) {
- assert(pthread_cond_wait(&dl->cv, &dl->mutex) == 0);
+ CV_WAIT(&dl->cv, &dl->mutex);
}
}
}
/* mark that we are waiting on the fs lock */
dl->flags |= VDISKLOCK_ACQUIRING;
- assert(pthread_mutex_unlock(&dl->mutex) == 0);
+ MUTEX_EXIT(&dl->mutex);
code = VLockFileLock(dl->lockfile, dl->offset, locktype, nonblock);
- assert(pthread_mutex_lock(&dl->mutex) == 0);
+ MUTEX_ENTER(&dl->mutex);
dl->flags &= ~VDISKLOCK_ACQUIRING;
dl->flags |= VDISKLOCK_ACQUIRED;
}
- assert(pthread_cond_broadcast(&dl->cv) == 0);
+ CV_BROADCAST(&dl->cv);
}
}
++dl->lockers;
}
- assert(pthread_mutex_unlock(&dl->mutex) == 0);
+ MUTEX_EXIT(&dl->mutex);
return code;
}
void
VReleaseDiskLock(struct VDiskLock *dl, int locktype)
{
- assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
+ osi_Assert(locktype == READ_LOCK || locktype == WRITE_LOCK);
- assert(pthread_mutex_lock(&dl->mutex) == 0);
- assert(dl->lockers > 0);
+ MUTEX_ENTER(&dl->mutex);
+ osi_Assert(dl->lockers > 0);
if (--dl->lockers < 1) {
/* no threads are holding this lock anymore, so we can release the
dl->flags &= ~VDISKLOCK_ACQUIRED;
}
- assert(pthread_mutex_unlock(&dl->mutex) == 0);
+ MUTEX_EXIT(&dl->mutex);
if (locktype == READ_LOCK) {
ReleaseReadLock(&dl->rwlock);
git://git.openafs.org / openafs.git / blobdiff