* directory or online at http://www.openafs.org/dl/license10.html
*/
-#include "../afs/param.h" /* Should be always first */
-#include "../afs/sysincludes.h" /* Standard vendor system headers */
-#include "../afs/afsincludes.h" /* Afs-based standard headers */
-#include "../afs/afs_stats.h" /* afs statistics */
+#include <afsconfig.h>
+#include "afs/param.h"
+RCSID
+ ("$Header$");
-int afs_osicred_initialized=0;
-struct AFS_UCRED afs_osi_cred;
+#ifdef AFS_LINUX24_ENV
+#include "h/module.h" /* early to avoid printf->printk mapping */
+#endif
+#include "afs/sysincludes.h" /* Standard vendor system headers */
+#include "afsincludes.h" /* Afs-based standard headers */
+#include "afs/afs_stats.h" /* afs statistics */
+#include "h/smp_lock.h"
+
+
+int afs_osicred_initialized = 0;
+struct AFS_UCRED afs_osi_cred;
afs_lock_t afs_xosi; /* lock is for tvattr */
extern struct osi_dev cacheDev;
extern struct super_block *afs_cacheSBp;
-void *osi_UFSOpen(ainode)
- afs_int32 ainode;
+void *
+osi_UFSOpen(afs_int32 ainode)
{
- struct inode *ip;
register struct osi_file *afile = NULL;
extern int cacheDiskType;
afs_int32 code = 0;
- int dummy;
struct inode *tip = NULL;
struct file *filp = NULL;
AFS_STATCNT(osi_UFSOpen);
- if(cacheDiskType != AFS_FCACHE_TYPE_UFS) {
+ if (cacheDiskType != AFS_FCACHE_TYPE_UFS) {
osi_Panic("UFSOpen called for non-UFS cache\n");
}
if (!afs_osicred_initialized) {
/* valid for alpha_osf, SunOS, Ultrix */
- bzero((char *)&afs_osi_cred, sizeof(struct AFS_UCRED));
+ memset((char *)&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
crhold(&afs_osi_cred); /* don't let it evaporate, since it is static */
afs_osicred_initialized = 1;
}
- afile = (struct osi_file *) osi_AllocSmallSpace(sizeof(struct osi_file));
+ afile = (struct osi_file *)osi_AllocLargeSpace(sizeof(struct osi_file));
AFS_GUNLOCK();
if (!afile) {
osi_Panic("osi_UFSOpen: Failed to allocate %d bytes for osi_file.\n",
- sizeof(struct osi_file));
+ sizeof(struct osi_file));
}
memset(afile, 0, sizeof(struct osi_file));
filp = &afile->file;
filp->f_dentry = &afile->dentry;
- tip = iget(afs_cacheSBp, (u_long)ainode);
+ tip = iget(afs_cacheSBp, (u_long) ainode);
if (!tip)
osi_Panic("Can't get inode %d\n", ainode);
FILE_INODE(filp) = tip;
- tip->i_flags |= MS_NOATIME; /* Disable updating access times. */
+ tip->i_flags |= MS_NOATIME; /* Disable updating access times. */
filp->f_flags = O_RDWR;
+#if defined(AFS_LINUX26_ENV)
+ filp->f_mapping = tip->i_mapping;
+#endif
+#if defined(AFS_LINUX24_ENV)
+ filp->f_op = fops_get(tip->i_fop);
+#else
filp->f_op = tip->i_op->default_file_ops;
+#endif
if (filp->f_op && filp->f_op->open)
code = filp->f_op->open(tip, filp);
if (code)
afile->size = tip->i_size;
AFS_GLOCK();
afile->offset = 0;
- afile->proc = (int (*)()) 0;
- afile->inum = ainode; /* for hint validity checking */
+ afile->proc = (int (*)())0;
+ afile->inum = ainode; /* for hint validity checking */
return (void *)afile;
}
-afs_osi_Stat(afile, astat)
- register struct osi_file *afile;
- register struct osi_stat *astat; {
+int
+afs_osi_Stat(register struct osi_file *afile, register struct osi_stat *astat)
+{
register afs_int32 code;
AFS_STATCNT(osi_Stat);
- MObtainWriteLock(&afs_xosi,320);
+ MObtainWriteLock(&afs_xosi, 320);
astat->size = FILE_INODE(&afile->file)->i_size;
astat->blksize = FILE_INODE(&afile->file)->i_blksize;
+#if defined(AFS_LINUX26_ENV)
+ astat->mtime = FILE_INODE(&afile->file)->i_mtime.tv_sec;
+ astat->atime = FILE_INODE(&afile->file)->i_atime.tv_sec;
+#else
astat->mtime = FILE_INODE(&afile->file)->i_mtime;
astat->atime = FILE_INODE(&afile->file)->i_atime;
+#endif
code = 0;
MReleaseWriteLock(&afs_xosi);
return code;
}
-osi_UFSClose(afile)
- register struct osi_file *afile;
- {
- AFS_STATCNT(osi_Close);
- if (afile) {
- if (FILE_INODE(&afile->file)) {
- struct file *filp = &afile->file;
- if (filp->f_op && filp->f_op->release)
- filp->f_op->release(FILE_INODE(filp), filp);
- iput(FILE_INODE(filp));
- }
- }
-
- osi_FreeSmallSpace(afile);
- return 0;
- }
-
-osi_UFSTruncate(afile, asize)
- register struct osi_file *afile;
- afs_int32 asize; {
- struct AFS_UCRED *oldCred;
+int
+osi_UFSClose(register struct osi_file *afile)
+{
+ AFS_STATCNT(osi_Close);
+ if (afile) {
+ if (FILE_INODE(&afile->file)) {
+ struct file *filp = &afile->file;
+ if (filp->f_op && filp->f_op->release)
+ filp->f_op->release(FILE_INODE(filp), filp);
+ iput(FILE_INODE(filp));
+ }
+ }
+
+ osi_FreeLargeSpace(afile);
+ return 0;
+}
+
+int
+osi_UFSTruncate(register struct osi_file *afile, afs_int32 asize)
+{
register afs_int32 code;
struct osi_stat tstat;
struct iattr newattrs;
* small enough. Check now and save some time.
*/
code = afs_osi_Stat(afile, &tstat);
- if (code || tstat.size <= asize) return code;
- MObtainWriteLock(&afs_xosi,321);
+ if (code || tstat.size <= asize)
+ return code;
+ MObtainWriteLock(&afs_xosi, 321);
AFS_GUNLOCK();
+#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
+ down_write(&inode->i_alloc_sem);
+#endif
down(&inode->i_sem);
- inode->i_size = newattrs.ia_size = asize;
+ newattrs.ia_size = asize;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
+#if defined(AFS_LINUX24_ENV)
+ newattrs.ia_ctime = CURRENT_TIME;
+
+ /* avoid notify_change() since it wants to update dentry->d_parent */
+ lock_kernel();
+ code = inode_change_ok(inode, &newattrs);
+ if (!code)
+#ifdef INODE_SETATTR_NOT_VOID
+ code = inode_setattr(inode, &newattrs);
+#else
+ inode_setattr(inode, &newattrs);
+#endif
+ unlock_kernel();
+ if (!code)
+ truncate_inode_pages(&inode->i_data, asize);
+#else
+ inode->i_size = asize;
if (inode->i_sb->s_op && inode->i_sb->s_op->notify_change) {
code = inode->i_sb->s_op->notify_change(&afile->dentry, &newattrs);
}
if (inode->i_op && inode->i_op->truncate)
inode->i_op->truncate(inode);
}
+#endif
code = -code;
up(&inode->i_sem);
+#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
+ up_write(&inode->i_alloc_sem);
+#endif
AFS_GLOCK();
MReleaseWriteLock(&afs_xosi);
return code;
/* Generic read interface */
-afs_osi_Read(afile, offset, aptr, asize)
- register struct osi_file *afile;
- int offset;
- char *aptr;
- afs_int32 asize; {
- struct AFS_UCRED *oldCred;
- unsigned int resid;
+int
+afs_osi_Read(register struct osi_file *afile, int offset, void *aptr,
+ afs_int32 asize)
+{
+ size_t resid;
register afs_int32 code;
- register afs_int32 cnt1=0;
AFS_STATCNT(osi_Read);
/**
* If the osi_file passed in is NULL, panic only if AFS is not shutting
* down. No point in crashing when we are already shutting down
*/
- if ( !afile ) {
- if ( !afs_shuttingdown )
+ if (!afile) {
+ if (!afs_shuttingdown)
osi_Panic("osi_Read called with null param");
else
return EIO;
}
- if (offset != -1) afile->offset = offset;
+ if (offset != -1)
+ afile->offset = offset;
AFS_GUNLOCK();
code = osi_rdwr(UIO_READ, afile, (caddr_t) aptr, asize, &resid);
AFS_GLOCK();
if (code == 0) {
code = asize - resid;
afile->offset += code;
- }
- else {
+ } else {
afs_Trace2(afs_iclSetp, CM_TRACE_READFAILED, ICL_TYPE_INT32, resid,
- ICL_TYPE_INT32, code);
+ ICL_TYPE_INT32, code);
code = -1;
}
return code;
}
/* Generic write interface */
-afs_osi_Write(afile, offset, aptr, asize)
- register struct osi_file *afile;
- char *aptr;
- afs_int32 offset;
- afs_int32 asize; {
- struct AFS_UCRED *oldCred;
- unsigned int resid;
+int
+afs_osi_Write(register struct osi_file *afile, afs_int32 offset, void *aptr,
+ afs_int32 asize)
+{
+ size_t resid;
register afs_int32 code;
AFS_STATCNT(osi_Write);
- if ( !afile )
- osi_Panic("afs_osi_Write called with null param");
- if (offset != -1) afile->offset = offset;
+ if (!afile) {
+ if (!afs_shuttingdown)
+ osi_Panic("afs_osi_Write called with null param");
+ else
+ return EIO;
+ }
+ if (offset != -1)
+ afile->offset = offset;
AFS_GUNLOCK();
- code = osi_rdwr(UIO_WRITE, afile, (caddr_t)aptr, asize, &resid);
+ code = osi_rdwr(UIO_WRITE, afile, (caddr_t) aptr, asize, &resid);
AFS_GLOCK();
if (code == 0) {
code = asize - resid;
afile->offset += code;
- }
- else {
- if (code == ENOSPC) afs_warnuser("\n\n\n*** Cache partition is FULL - Decrease cachesize!!! ***\n\n");
+ } else {
+ if (code == ENOSPC)
+ afs_warnuser
+ ("\n\n\n*** Cache partition is FULL - Decrease cachesize!!! ***\n\n");
code = -1;
}
if (afile->proc) {
- (*afile->proc)(afile, code);
+ (*afile->proc) (afile, code);
}
return code;
}
/* This work should be handled by physstrat in ca/machdep.c.
This routine written from the RT NFS port strategy routine.
It has been generalized a bit, but should still be pretty clear. */
-int afs_osi_MapStrategy(aproc, bp)
- int (*aproc)();
- register struct buf *bp;
+int
+afs_osi_MapStrategy(int (*aproc) (struct buf * bp), register struct buf *bp)
{
afs_int32 returnCode;
}
void
-shutdown_osifile()
+shutdown_osifile(void)
{
- extern int afs_cold_shutdown;
+ extern int afs_cold_shutdown;
- AFS_STATCNT(shutdown_osifile);
- if (afs_cold_shutdown) {
- afs_osicred_initialized = 0;
- }
+ AFS_STATCNT(shutdown_osifile);
+ if (afs_cold_shutdown) {
+ afs_osicred_initialized = 0;
+ }
}
-
git://git.openafs.org / openafs.git / blobdiff