}
static void setup_iops(struct inode *cache_inode,
- struct inode_operations *iops,
- struct inode_operations *cache_iops)
+ struct inode_operations *smfs_iops,
+ struct inode_operations *iops)
{
- if (cache_inode->i_op && cache_iops && iops) {
- if (cache_inode->i_op->create)
- iops->create = cache_iops->create;
- if (cache_inode->i_op->lookup)
- iops->lookup = cache_iops->lookup;
- if (cache_inode->i_op->link)
- iops->link = cache_iops->link;
- if (cache_inode->i_op->unlink)
- iops->unlink = cache_iops->unlink;
- if (cache_inode->i_op->symlink)
- iops->symlink = cache_iops->symlink;
- if (cache_inode->i_op->mkdir)
- iops->mkdir = cache_iops->mkdir;
- if (cache_inode->i_op->rmdir)
- iops->rmdir = cache_iops->rmdir;
- if (cache_inode->i_op->mknod)
- iops->mknod = cache_iops->mknod;
- if (cache_inode->i_op->rename)
- iops->rename = cache_iops->rename;
- if (cache_inode->i_op->readlink)
- iops->readlink = cache_iops->readlink;
- if (cache_inode->i_op->follow_link)
- iops->follow_link = cache_iops->follow_link;
- if (cache_inode->i_op->truncate)
- iops->truncate = cache_iops->truncate;
- if (cache_inode->i_op->permission)
- iops->permission = cache_iops->permission;
+ LASSERT(cache_inode->i_op && smfs_iops && iops);
+
+ if (cache_inode->i_op->create)
+ iops->create = smfs_iops->create;
+ if (cache_inode->i_op->lookup)
+ iops->lookup = smfs_iops->lookup;
+ if (cache_inode->i_op->link)
+ iops->link = smfs_iops->link;
+ if (cache_inode->i_op->unlink)
+ iops->unlink = smfs_iops->unlink;
+ if (cache_inode->i_op->symlink)
+ iops->symlink = smfs_iops->symlink;
+ if (cache_inode->i_op->mkdir)
+ iops->mkdir = smfs_iops->mkdir;
+ if (cache_inode->i_op->rmdir)
+ iops->rmdir = smfs_iops->rmdir;
+ if (cache_inode->i_op->mknod)
+ iops->mknod = smfs_iops->mknod;
+ if (cache_inode->i_op->rename)
+ iops->rename = smfs_iops->rename;
+ if (cache_inode->i_op->readlink)
+ iops->readlink = smfs_iops->readlink;
+ if (cache_inode->i_op->follow_link)
+ iops->follow_link = smfs_iops->follow_link;
+ if (cache_inode->i_op->truncate)
+ iops->truncate = smfs_iops->truncate;
+ if (cache_inode->i_op->permission)
+ iops->permission = smfs_iops->permission;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
- if (cache_inode->i_op->revalidate)
- iops->revalidate = cache_iops->revalidate;
+ if (cache_inode->i_op->revalidate)
+ iops->revalidate = smfs_iops->revalidate;
#endif
- if (cache_inode->i_op->setattr)
- iops->setattr = cache_iops->setattr;
- if (cache_inode->i_op->getattr)
- iops->getattr = cache_iops->getattr;
- if (cache_inode->i_op->setxattr)
- iops->setxattr = cache_iops->setxattr;
- if (cache_inode->i_op->getxattr)
- iops->getxattr = cache_iops->getxattr;
- if (cache_inode->i_op->listxattr)
- iops->listxattr = cache_iops->listxattr;
- if (cache_inode->i_op->removexattr)
- iops->removexattr = cache_iops->removexattr;
+ if (cache_inode->i_op->setattr)
+ iops->setattr = smfs_iops->setattr;
+ if (cache_inode->i_op->getattr)
+ iops->getattr = smfs_iops->getattr;
+ if (cache_inode->i_op->setxattr)
+ iops->setxattr = smfs_iops->setxattr;
+ if (cache_inode->i_op->getxattr)
+ iops->getxattr = smfs_iops->getxattr;
+ if (cache_inode->i_op->listxattr)
+ iops->listxattr = smfs_iops->listxattr;
+ if (cache_inode->i_op->removexattr)
+ iops->removexattr = smfs_iops->removexattr;
#if HAVE_LOOKUP_RAW
- if (cache_inode->i_op->lookup_raw)
- iops->lookup_raw = cache_iops->lookup_raw;
+ if (cache_inode->i_op->lookup_raw)
+ iops->lookup_raw = smfs_iops->lookup_raw;
#endif
- }
+
}
static void setup_fops(struct inode *cache_inode,
- struct file_operations *fops,
- struct file_operations *cache_fops)
+ struct file_operations *smfs_fops,
+ struct file_operations *fops)
{
- if (cache_inode->i_fop && cache_fops && fops) {
- if (cache_inode->i_fop->llseek)
- fops->llseek = cache_fops->llseek;
- if (cache_inode->i_fop->read)
- fops->read = cache_fops->read;
- if (cache_inode->i_fop->write)
- fops->write = cache_fops->write;
- if (cache_inode->i_fop->readdir)
- fops->readdir = cache_fops->readdir;
- if (cache_inode->i_fop->poll)
- fops->poll = cache_fops->poll;
- if (cache_inode->i_fop->ioctl)
- fops->ioctl = cache_fops->ioctl;
- if (cache_inode->i_fop->mmap)
- fops->mmap = cache_fops->mmap;
- if (cache_inode->i_fop->flush)
- fops->flush = cache_fops->flush;
- if (cache_inode->i_fop->fsync)
- fops->fsync = cache_fops->fsync;
- if (cache_inode->i_fop->fasync)
- fops->fasync = cache_fops->fasync;
- if (cache_inode->i_fop->lock)
- fops->lock = cache_fops->lock;
- if (cache_inode->i_fop->readv)
- fops->readv = cache_fops->readv;
- if (cache_inode->i_fop->writev)
- fops->writev = cache_fops->writev;
- if (cache_inode->i_fop->sendpage)
- fops->sendpage = cache_fops->sendpage;
- if (cache_inode->i_fop->get_unmapped_area)
- fops->get_unmapped_area = cache_fops->get_unmapped_area;
-
- /* for dir file we also need replace the open and release method,
- * because we need initialize the cache file structs. */
- fops->open = cache_fops->open;
- fops->release = cache_fops->release;
- }
+ LASSERT(cache_inode->i_fop && smfs_fops && fops);
+
+ if (cache_inode->i_fop->llseek)
+ fops->llseek = smfs_fops->llseek;
+ if (cache_inode->i_fop->read)
+ fops->read = smfs_fops->read;
+ if (cache_inode->i_fop->write)
+ fops->write = smfs_fops->write;
+ if (cache_inode->i_fop->readdir)
+ fops->readdir = smfs_fops->readdir;
+ if (cache_inode->i_fop->poll)
+ fops->poll = smfs_fops->poll;
+ if (cache_inode->i_fop->ioctl)
+ fops->ioctl = smfs_fops->ioctl;
+ if (cache_inode->i_fop->mmap)
+ fops->mmap = smfs_fops->mmap;
+ if (cache_inode->i_fop->flush)
+ fops->flush = smfs_fops->flush;
+ if (cache_inode->i_fop->fsync)
+ fops->fsync = smfs_fops->fsync;
+ if (cache_inode->i_fop->fasync)
+ fops->fasync = smfs_fops->fasync;
+ if (cache_inode->i_fop->lock)
+ fops->lock = smfs_fops->lock;
+ if (cache_inode->i_fop->readv)
+ fops->readv = smfs_fops->readv;
+ if (cache_inode->i_fop->writev)
+ fops->writev = smfs_fops->writev;
+ if (cache_inode->i_fop->sendpage)
+ fops->sendpage = smfs_fops->sendpage;
+ if (cache_inode->i_fop->get_unmapped_area)
+ fops->get_unmapped_area = smfs_fops->get_unmapped_area;
+
+ /* for dir file we also need replace the open and release method,
+ * because we need initialize the cache file structs. */
+ fops->open = smfs_fops->open;
+ fops->release = smfs_fops->release;
}
-static void setup_sm_file_ops(struct inode *cache_inode, struct inode *inode,
- struct inode_operations *cache_iops,
- struct file_operations *cache_fops)
+static void setup_sm_file_ops(struct inode *inode)
{
- struct smfs_super_info *smb;
- struct inode_operations *iops;
- struct file_operations *fops;
-
- smb = S2SMI(inode->i_sb);
-
- if (smb->smsi_ops_check & FILE_OPS_CHECK)
- return;
-
- iops = cache_fiops(smb);
- fops = cache_ffops(smb);
-
- setup_iops(cache_inode, iops, cache_iops);
- setup_fops(cache_inode, fops, cache_fops);
+ struct smfs_super_info *smb = S2SMI(inode->i_sb);
+ struct inode *cache_inode = I2CI(inode);
+
+ setup_iops(cache_inode, &smfs_file_iops, &smb->sm_ops->sm_file_iops);
+ setup_fops(cache_inode, &smfs_file_fops, &smb->sm_ops->sm_file_fops);
lock_kernel();
smb->smsi_ops_check |= FILE_OPS_CHECK;
unlock_kernel();
}
-static void setup_sm_dir_ops(struct inode *cache_inode, struct inode *inode,
- struct inode_operations *cache_dir_iops,
- struct file_operations *cache_dir_fops)
+static void setup_sm_dir_ops(struct inode *inode)
{
- struct smfs_super_info *smb;
- struct inode_operations *iops;
- struct file_operations *fops;
-
- smb = S2SMI(inode->i_sb);
-
- if (smb->smsi_ops_check & DIR_OPS_CHECK)
- return;
-
- iops = cache_diops(smb);
- fops = cache_dfops(smb);
-
- setup_iops(cache_inode, iops, cache_dir_iops);
- setup_fops(cache_inode, fops, cache_dir_fops);
+ struct smfs_super_info *smb = S2SMI(inode->i_sb);
+ struct inode *cache_inode = I2CI(inode);
+
+ setup_iops(cache_inode, &smfs_dir_iops, &smb->sm_ops->sm_dir_iops);
+ setup_fops(cache_inode, &smfs_dir_fops, &smb->sm_ops->sm_dir_fops);
lock_kernel();
smb->smsi_ops_check |= DIR_OPS_CHECK;
unlock_kernel();
}
-static void setup_sm_symlink_ops(struct inode *cache_inode, struct inode *inode,
- struct inode_operations *cache_sym_iops,
- struct file_operations *cache_sym_fops)
+static void setup_sm_symlink_ops(struct inode *inode)
{
- struct smfs_super_info *smb;
- struct inode_operations *iops;
- struct file_operations *fops;
-
- smb = S2SMI(inode->i_sb);
-
- if (smb->smsi_ops_check & SYMLINK_OPS_CHECK)
- return;
-
- iops = cache_siops(smb);
- fops = cache_sfops(smb);
-
- setup_iops(cache_inode, iops, cache_sym_iops);
- setup_fops(cache_inode, fops, cache_sym_fops);
+ struct smfs_super_info *smb = S2SMI(inode->i_sb);
+ struct inode *cache_inode = I2CI(inode);
+
+ setup_iops(cache_inode, &smfs_sym_iops, &smb->sm_ops->sm_sym_iops);
+ setup_fops(cache_inode, &smfs_sym_fops, &smb->sm_ops->sm_sym_fops);
lock_kernel();
smb->smsi_ops_check |= SYMLINK_OPS_CHECK;
unlock_kernel();
}
+#define SMFS_IOPEN_INO 1
-void sm_set_inode_ops(struct inode *cache_inode, struct inode *inode)
+void sm_set_inode_ops(struct inode *inode)
{
struct smfs_super_info *smb = S2SMI(inode->i_sb);
- /* XXX now set the correct sm_{file,dir,sym}_iops */
+ //iopen stuff
+ if (inode->i_ino == SMFS_IOPEN_INO) {
+ inode->i_op = &smfs_iopen_iops;
+ inode->i_fop = &smfs_iopen_fops;
+ return;
+ }
+
+ /* set the correct sm_{file,dir,sym}_iops */
if (S_ISDIR(inode->i_mode)) {
- setup_sm_dir_ops(cache_inode, inode,
- &smfs_dir_iops,
- &smfs_dir_fops);
- inode->i_op = cache_diops(smb);
- inode->i_fop = cache_dfops(smb);
+ if (!(smb->smsi_ops_check & DIR_OPS_CHECK))
+ setup_sm_dir_ops(inode);
+ inode->i_op = &smb->sm_ops->sm_dir_iops;
+ inode->i_fop = &smb->sm_ops->sm_dir_fops;
} else if (S_ISREG(inode->i_mode)) {
- setup_sm_file_ops(cache_inode, inode,
- &smfs_file_iops,
- &smfs_file_fops);
- CDEBUG(D_INODE, "inode %lu, i_op at %p\n",
- inode->i_ino, inode->i_op);
- inode->i_fop = cache_ffops(smb);
- inode->i_op = cache_fiops(smb);
+ if (!(smb->smsi_ops_check & FILE_OPS_CHECK))
+ setup_sm_file_ops(inode);
+ inode->i_fop = &smb->sm_ops->sm_file_fops;
+ inode->i_op = &smb->sm_ops->sm_file_iops;
} else if (S_ISLNK(inode->i_mode)) {
- setup_sm_symlink_ops(cache_inode, inode,
- &smfs_sym_iops,
- &smfs_sym_fops);
- inode->i_op = cache_siops(smb);
- inode->i_fop = cache_sfops(smb);
- CDEBUG(D_INODE, "inode %lu, i_op at %p\n",
- inode->i_ino, inode->i_op);
+ if (!(smb->smsi_ops_check & SYMLINK_OPS_CHECK))
+ setup_sm_symlink_ops(inode);
+ inode->i_op = &smb->sm_ops->sm_sym_iops;
+ inode->i_fop = &smb->sm_ops->sm_sym_fops;
}
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff