int
afs_osi_Stat(struct osi_file *afile, struct osi_stat *astat)
{
AFS_STATCNT(osi_Stat);
astat->size = i_size_read(OSIFILE_INODE(afile));
astat->mtime = OSIFILE_INODE(afile)->i_mtime.tv_sec;
astat->atime = OSIFILE_INODE(afile)->i_atime.tv_sec;
return 0;
}
int
afs_osi_Stat(struct osi_file *afile, struct osi_stat *astat)
{
AFS_STATCNT(osi_Stat);
ObtainWriteLock(&afs_xosi, 320);
astat->size = i_size_read(OSIFILE_INODE(afile));
astat->mtime = OSIFILE_INODE(afile)->i_mtime.tv_sec;
astat->atime = OSIFILE_INODE(afile)->i_atime.tv_sec;
ReleaseWriteLock(&afs_xosi);
return 0;
}
int
afs_osi_Stat(struct osi_file *afile, struct osi_stat *astat)
{
afs_int32 code;
AFS_STATCNT(osi_Stat);
ObtainWriteLock(&afs_xosi, 320);
astat->size = i_size_read(OSIFILE_INODE(afile));
astat->mtime = OSIFILE_INODE(afile)->i_mtime;
astat->atime = OSIFILE_INODE(afile)->i_atime;
code = 0;
ReleaseWriteLock(&afs_xosi);
return code;
}
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);
astat->size = i_size_read(OSIFILE_INODE(afile));
#if defined(AFS_LINUX26_ENV)
astat->mtime = OSIFILE_INODE(afile)->i_mtime.tv_sec;
astat->atime = OSIFILE_INODE(afile)->i_atime.tv_sec;
#else
astat->mtime = OSIFILE_INODE(afile)->i_mtime;
astat->atime = OSIFILE_INODE(afile)->i_atime;
#endif
code = 0;
MReleaseWriteLock(&afs_xosi);
return code;
}
int
osi_UFSClose(struct osi_file *afile)
{
AFS_STATCNT(osi_Close);
if (afile) {
if (OSIFILE_INODE(afile)) {
filp_close(afile->filp, NULL);
}
}
kfree(afile);
return 0;
}
int
osi_UFSClose(register struct osi_file *afile)
{
AFS_STATCNT(osi_Close);
if (afile) {
if (OSIFILE_INODE(afile)) {
filp_close(afile->filp, NULL);
}
}
osi_FreeLargeSpace(afile);
return 0;
}
int
osi_UFSTruncate(struct osi_file *afile, afs_int32 asize)
{
afs_int32 code;
struct osi_stat tstat;
struct iattr newattrs;
struct inode *inode = OSIFILE_INODE(afile);
AFS_STATCNT(osi_Truncate);
/* This routine only shrinks files, and most systems
* have very slow truncates, even when the file is already
* small enough. Check now and save some time.
*/
code = afs_osi_Stat(afile, &tstat);
if (code || tstat.size <= asize)
return code;
ObtainWriteLock(&afs_xosi, 321);
AFS_GUNLOCK();
afs_linux_lock_inode(inode);
#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
down_write(&inode->i_alloc_sem);
#endif
newattrs.ia_size = asize;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
newattrs.ia_ctime = CURRENT_TIME;
/* avoid notify_change() since it wants to update dentry->d_parent */
#ifdef HAVE_LINUX_SETATTR_PREPARE
code = setattr_prepare(file_dentry(afile->filp), &newattrs);
#else
code = inode_change_ok(inode, &newattrs);
#endif
if (!code)
code = afs_inode_setattr(afile, &newattrs);
if (!code)
truncate_inode_pages(&inode->i_data, asize);
code = -code;
#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
up_write(&inode->i_alloc_sem);
#endif
afs_linux_unlock_inode(inode);
AFS_GLOCK();
ReleaseWriteLock(&afs_xosi);
return code;
}
int
osi_UFSTruncate(struct osi_file *afile, afs_int32 asize)
{
afs_int32 code;
struct osi_stat tstat;
struct iattr newattrs;
struct inode *inode = OSIFILE_INODE(afile);
AFS_STATCNT(osi_Truncate);
/* This routine only shrinks files, and most systems
* have very slow truncates, even when the file is already
* small enough. Check now and save some time.
*/
code = afs_osi_Stat(afile, &tstat);
if (code || tstat.size <= asize)
return code;
ObtainWriteLock(&afs_xosi, 321);
AFS_GUNLOCK();
#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
down_write(&inode->i_alloc_sem);
#endif
#ifdef STRUCT_INODE_HAS_I_MUTEX
mutex_lock(&inode->i_mutex);
#else
down(&inode->i_sem);
#endif
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
i_size_write(inode, 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 (!code) {
truncate_inode_pages(inode, asize);
if (inode->i_op && inode->i_op->truncate)
inode->i_op->truncate(inode);
}
#endif
code = -code;
#ifdef STRUCT_INODE_HAS_I_MUTEX
mutex_unlock(&inode->i_mutex);
#else
up(&inode->i_sem);
#endif
#ifdef STRUCT_INODE_HAS_I_ALLOC_SEM
up_write(&inode->i_alloc_sem);
#endif
AFS_GLOCK();
ReleaseWriteLock(&afs_xosi);
return code;
}
