Arla on Linux 2.6.27
Bo Brantén
bosse at acc.umu.se
Wed Oct 29 00:34:30 CET 2008
A few persons asked me to post the patch in this format instead, so here
it is:
diff -uprN arla-cvs/nnpfs/linux/nnpfs_blocks.c arla-cvs-new/nnpfs/linux/nnpfs_blocks.c
--- arla-cvs/nnpfs/linux/nnpfs_blocks.c 2008-03-08 22:38:16.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_blocks.c 2008-10-06 19:13:20.000000000 +0200
@@ -403,12 +403,21 @@ nnpfs_block_open(struct nnpfs_node *node
if (IS_ERR(dentry)) {
ret = PTR_ERR(dentry);
} else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
ret = vfs_create(nd.dentry->d_inode, dentry, S_IRUSR|S_IWUSR, &nd);
+#else
+ ret = vfs_create(nd.path.dentry->d_inode, dentry, S_IRUSR|S_IWUSR, &nd);
+#endif
dput(dentry);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
mutex_unlock(&nd.dentry->d_inode->i_mutex);
path_release(&nd);
+#else
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
+ path_put(&nd.path);
+#endif
if (ret) {
printk("nnpfs_block_open(%s) create failed: %d\n", cachename, -ret);
@@ -422,12 +431,20 @@ nnpfs_block_open(struct nnpfs_node *node
ret = nnpfs_block_extend(node, offset);
}
} else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
struct file *f = dentry_open(nd.dentry, nd.mnt, flags);
+#else
+ struct file *f = dentry_open(nd.path.dentry, nd.path.mnt, flags);
+#endif
if (IS_ERR(f)) {
ret = PTR_ERR(f);
printk("nnpfs_block_open(%s) open failed: %d\n", cachename, -ret);
nnpfs_debug_oops();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
path_release(&nd);
+#else
+ path_put(&nd.path);
+#endif
} else {
*file = f;
}
diff -uprN arla-cvs/nnpfs/linux/nnpfs_inodeops.c arla-cvs-new/nnpfs/linux/nnpfs_inodeops.c
--- arla-cvs/nnpfs/linux/nnpfs_inodeops.c 2008-03-08 22:40:10.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_inodeops.c 2008-10-27 17:58:25.000000000 +0100
@@ -138,12 +138,14 @@ nnpfs_print_path(struct dentry *dentry)
*
*/
+#if 0
void
nnpfs_print_lock(char *s, struct semaphore *sem)
{
NNPFSDEB(XDEBLOCK, ("lock: %s sem: %p count: %d\n",
s, sem, (int)atomic_read(&sem->count)));
}
+#endif
/*
*
@@ -596,8 +598,13 @@ check_rights (nnpfs_rights rights, int m
* We don't hold i_mutex.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
static int
nnpfs_permission(struct inode *inode, int mode, struct nameidata *nd)
+#else
+static int
+nnpfs_permission(struct inode *inode, int mode)
+#endif
{
int error = 0;
nnpfs_pag_t pag = nnpfs_get_pag();
diff -uprN arla-cvs/nnpfs/linux/nnpfs_message.c arla-cvs-new/nnpfs/linux/nnpfs_message.c
--- arla-cvs/nnpfs/linux/nnpfs_message.c 2006-12-11 17:40:24.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_message.c 2008-10-06 19:51:49.000000000 +0200
@@ -735,9 +735,15 @@ nnpfs_message_version(struct nnpfs *nnpf
"nnpfs_message_version failed path_lookup, "
"errno: %d\n", error);
} else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
nnpfsp->cacheroot = mntget(nd.mnt);
nnpfsp->cachedir = dget(nd.dentry);
path_release(&nd);
+#else
+ nnpfsp->cacheroot = mntget(nd.path.mnt);
+ nnpfsp->cachedir = dget(nd.path.dentry);
+ path_put(&nd.path);
+#endif
nnpfsp->uid = current->fsuid;
nnpfsp->gid = current->fsgid;
diff -uprN arla-cvs/nnpfs/linux/nnpfs_syscalls.c arla-cvs-new/nnpfs/linux/nnpfs_syscalls.c
--- arla-cvs/nnpfs/linux/nnpfs_syscalls.c 2007-01-03 15:26:27.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_syscalls.c 2008-10-28 23:33:30.000000000 +0100
@@ -147,6 +147,8 @@ static int nnpfs_sec_registered = 0;
#define SEC2PAG(s) (nnpfs_pag_t)(unsigned long)(s)
#define PAG2SEC(p) (void *)(unsigned long)(p)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+
static int
nnpfs_sec_task_alloc(struct task_struct *p)
{
@@ -164,6 +166,8 @@ nnpfs_sec_task_free(struct task_struct *
p->security = NULL;
}
+#endif
+
static nnpfs_pag_t
nnpfs_get_pag_sec(void)
{
@@ -188,11 +192,13 @@ nnpfs_set_pag_sec(void)
return 0;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
static struct security_operations nnpfs_sec_ops = {
.task_alloc_security = nnpfs_sec_task_alloc,
.task_free_security = nnpfs_sec_task_free,
// .task_reparent_to_init = nnpfs_sec_reparent_to_init,
};
+#endif
#endif /* CONFIG_SECURITY */
@@ -244,7 +250,11 @@ store_pag(nnpfs_pag_t pagnum)
{
struct group_info *old_gi = current->group_info;
struct group_info *new_gi;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
int nblocks, count;
+#else
+ unsigned int nblocks, count;
+#endif
int found = 0;
int i, k;
@@ -528,7 +538,11 @@ user_path2dentry (struct nameidata *nd,
putname(kname);
if (error)
return ERR_PTR(error);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
return nd->dentry;
+#else
+ return nd->path.dentry;
+#endif
}
asmlinkage long
@@ -675,7 +689,11 @@ sys_afs_int (int operation,
unlock:
if (dentry)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
path_release(&nd);
+#else
+ path_put(&nd.path);
+#endif
NNPFSDEB(XDEBSYS, ("nnpfs_syscall returns error: %ld\n", error));
@@ -780,7 +798,11 @@ static int nnpfs_init_procfs(void)
{
struct proc_dir_entry *entry;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
nnpfs_procfs_dir = proc_mkdir(NNPFS_PROC_DIR, proc_root_fs);
+#else
+ nnpfs_procfs_dir = proc_mkdir("fs/" NNPFS_PROC_DIR, NULL);
+#endif
if (nnpfs_procfs_dir == NULL)
return -ENOMEM;
@@ -789,7 +811,11 @@ static int nnpfs_init_procfs(void)
entry = create_proc_entry(NNPFS_PROC_NODE, 0666, nnpfs_procfs_dir);
if (entry == NULL) {
NNPFSDEB(XDEBSYS, ("nnpfs_init_procfs: no node\n"));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
remove_proc_entry(NNPFS_PROC_DIR, proc_root_fs);
+#else
+ remove_proc_entry("fs/" NNPFS_PROC_DIR, NULL);
+#endif
return -ENOMEM;
}
@@ -815,7 +841,11 @@ static void nnpfs_exit_procfs(void)
}
#endif /* SYSCALLCOMPAT */
remove_proc_entry(NNPFS_PROC_NODE, nnpfs_procfs_dir);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
remove_proc_entry(NNPFS_PROC_DIR, proc_root_fs);
+#else
+ remove_proc_entry("fs/" NNPFS_PROC_DIR, NULL);
+#endif
}
#ifdef GROUPPAGS
@@ -840,12 +870,14 @@ void
install_afs_syscall(void)
{
#ifdef CONFIG_SECURITY
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
if (register_security(&nnpfs_sec_ops))
NNPFSDEB(XDEBSYS,
("install_afs_syscall: nnpfs_init_sec failed\n"));
else
nnpfs_sec_registered = 1;
#endif
+#endif
nnpfs_init_procfs();
@@ -888,9 +920,11 @@ restore_afs_syscall (void)
#endif /* SYSCALLHACK */
#ifdef CONFIG_SECURITY
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
if (nnpfs_sec_registered)
if (unregister_security(&nnpfs_sec_ops))
printk(KERN_EMERG "nnpfs_exit_sec: couldn't unregister\n");
+#endif
#endif /* !CONFIG_SECURITY */
#ifdef GROUPPAGS
diff -uprN arla-cvs/nnpfs/linux/nnpfs_syscalls-lossage.c arla-cvs-new/nnpfs/linux/nnpfs_syscalls-lossage.c
--- arla-cvs/nnpfs/linux/nnpfs_syscalls-lossage.c 2006-12-11 17:31:45.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_syscalls-lossage.c 2008-10-06 19:17:03.000000000 +0200
@@ -63,6 +63,11 @@ const char * __attribute__((weak))
unsigned long *offset,
char **modname, char *namebuf);
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)
+#ifdef __x86_64__
+extern rwlock_t tasklist_lock __attribute__((weak));
+#endif
+#endif
static void **
get_start_addr(void) {
#ifdef __x86_64__
diff -uprN arla-cvs/nnpfs/linux/nnpfs_vfsops.c arla-cvs-new/nnpfs/linux/nnpfs_vfsops.c
--- arla-cvs/nnpfs/linux/nnpfs_vfsops.c 2006-12-11 17:43:35.000000000 +0100
+++ arla-cvs-new/nnpfs/linux/nnpfs_vfsops.c 2008-10-06 20:50:41.000000000 +0200
@@ -49,9 +49,13 @@ RCSID("$Id: nnpfs_vfsops.c,v 1.109 2006/
struct nnpfs nnpfs[NNNPFS];
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
static void nnpfs_read_inode(struct inode *inode);
+#endif
static void nnpfs_put_super(struct super_block *sb);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
static void nnpfs_put_inode(struct inode *inode);
+#endif
static void nnpfs_write_super(struct super_block * sb);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
@@ -61,8 +65,10 @@ static int nnpfs_statfs(struct super_blo
#endif
static struct super_operations nnpfs_sops = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
read_inode : nnpfs_read_inode,
put_inode : nnpfs_put_inode,
+#endif
alloc_inode : nnpfs_node_alloc,
destroy_inode : nnpfs_node_free,
drop_inode : generic_delete_inode,
@@ -189,7 +195,11 @@ nnpfs_read_super (struct super_block * s
if (error)
ddev = ERR_PTR(error);
else
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
ddev = nd.dentry;
+#else
+ ddev = nd.path.dentry;
+#endif
if (!IS_ERR(ddev)) {
minordevice = MINOR(ddev->d_inode->i_rdev);
@@ -273,6 +283,7 @@ nnpfs_put_super(struct super_block *sb)
NNPFSDEB(XDEBVFOPS, ("nnpfs_put_super exiting\n"));
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
static void
nnpfs_read_inode(struct inode *inode)
{
@@ -339,6 +350,7 @@ nnpfs_put_inode(struct inode *inode)
up(&nnpfsp->inactive_sem);
}
+#endif // LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
static int
nnpfs_statfs_int(struct super_block *sb, struct kstatfs *buf)
@@ -352,7 +364,15 @@ nnpfs_statfs_int(struct super_block *sb,
tmp.f_bavail = 1024*1024*2-50;
tmp.f_files = 1024*1024;
tmp.f_ffree = 1024*1024-100;
+ tmp.f_fsid.val[0] = 0;
+ tmp.f_fsid.val[1] = 0;
tmp.f_namelen = NAME_MAX;
+ tmp.f_frsize = 0;
+ tmp.f_spare[0] = 0;
+ tmp.f_spare[1] = 0;
+ tmp.f_spare[2] = 0;
+ tmp.f_spare[3] = 0;
+ tmp.f_spare[4] = 0;
*buf = tmp;
return 0;
}
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