PATCH v14: Arla CVS Current on Linux 2.6.3x to 4.6
Bo Branten
bosse at acc.umu.se
Thu May 19 17:37:57 CEST 2016
PATCH v14: Arla CVS Current on Linux 2.6.3x to 4.6
Updated for the Linux kernel v4.6.
Bo Branten
-------------- next part --------------
diff -uprN -Xnodiff arla-cvs-old/nnpfs/include/nnpfs/nnpfs_attr.h arla/nnpfs/include/nnpfs/nnpfs_attr.h
--- arla-cvs-old/nnpfs/include/nnpfs/nnpfs_attr.h 2006-10-24 18:33:30.000000000 +0200
+++ arla/nnpfs/include/nnpfs/nnpfs_attr.h 2016-01-22 12:51:07.000000000 +0100
@@ -113,8 +113,18 @@ struct nnpfs_attr {
uint32_t xa_nlink;
uint32_t xa_type;
+#ifndef __KERNEL__
uint32_t xa_uid;
uint32_t xa_gid;
+#else
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
+ kuid_t xa_uid;
+ kgid_t xa_gid;
+#else
+ uint32_t xa_uid;
+ uint32_t xa_gid;
+#endif
+#endif
uint32_t xa_atime;
uint32_t xa_mtime;
diff -uprN -Xnodiff arla-cvs-old/nnpfs/include/nnpfs/nnpfs_message.h arla/nnpfs/include/nnpfs/nnpfs_message.h
--- arla-cvs-old/nnpfs/include/nnpfs/nnpfs_message.h 2009-02-24 21:20:55.000000000 +0100
+++ arla/nnpfs/include/nnpfs/nnpfs_message.h 2016-01-22 12:53:29.000000000 +0100
@@ -52,7 +52,15 @@ typedef uint16_t nnpfs_rights;
* The nnpfs_cred, if pag == 0, use uid
*/
typedef struct nnpfs_cred {
+#ifndef __KERNEL__
uint32_t uid;
+#else
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
+ kuid_t uid;
+#else
+ uint32_t uid;
+#endif
+#endif
nnpfs_pag_t pag;
} nnpfs_cred;
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs/nnpfs_fs.h arla/nnpfs/linux/nnpfs/nnpfs_fs.h
--- arla-cvs-old/nnpfs/linux/nnpfs/nnpfs_fs.h 2006-10-24 18:33:48.000000000 +0200
+++ arla/nnpfs/linux/nnpfs/nnpfs_fs.h 2016-01-13 22:57:06.000000000 +0100
@@ -84,8 +84,13 @@ struct nnpfs {
struct vfsmount *cacheroot; /* simplify open of cache blocks */
struct dentry *cachedir;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
uid_t uid; /* keep track of daemon's identity */
gid_t gid;
+#else
+ kuid_t uid; /* keep track of daemon's identity */
+ kgid_t gid;
+#endif
struct {
int recurse;
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs/nnpfs_locl.h arla/nnpfs/linux/nnpfs/nnpfs_locl.h
--- arla-cvs-old/nnpfs/linux/nnpfs/nnpfs_locl.h 2010-08-08 22:43:06.000000000 +0200
+++ arla/nnpfs/linux/nnpfs/nnpfs_locl.h 2016-01-13 23:01:10.000000000 +0100
@@ -51,7 +51,9 @@
#include <linux/stat.h>
#include <linux/string.h>
#include <linux/namei.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
#include <linux/smp_lock.h>
+#endif
#include <linux/wait.h>
/*
@@ -138,10 +140,17 @@ typedef __u32 uint32_t;
int
nnpfs_fetch_root(struct inode *i);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
int
nnpfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name,
void *data, struct vfsmount *mnt);
+#else
+struct dentry*
+nnpfs_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name,
+ void *data);
+#endif
extern struct dentry_operations nnpfs_dentry_operations;
@@ -194,10 +203,21 @@ nnpfs_iwritecount (struct inode *inode)
* Help function to read the dentry->d_count a portable way
*/
+/*#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)*/
static inline int
nnpfs_dcount (const struct dentry *dentry)
+/*#else
+static inline int
+nnpfs_dcount (struct dentry *dentry)
+#endif*/
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
return atomic_read(&dentry->d_count);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
+ return atomic_read((const atomic_t*)&dentry->d_count);
+#else
+ return d_count(dentry);;
+#endif
}
extern
@@ -229,7 +249,12 @@ nnpfs_fixup_syscall_lossage(void);
#endif
#define nnpfs_dev_t dev_t
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
#define nnpfs_d_entry_unhashed(d) hlist_unhashed(d)
+#else
+#define nnpfs_d_entry_unhashed(d) hlist_bl_unhashed(d)
+#endif
#define NNPFS_NOOP while(0){}
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_blocks.c arla/nnpfs/linux/nnpfs_blocks.c
--- arla-cvs-old/nnpfs/linux/nnpfs_blocks.c 2010-08-08 22:43:04.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_blocks.c 2016-02-20 19:44:39.000000000 +0100
@@ -43,6 +43,11 @@
#include <linux/mount.h>
#include <linux/mm.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)
+extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
+ const char *, unsigned int, struct path *);
+#endif
+
/*
* return true if block is in cache
*/
@@ -290,7 +295,13 @@ nnpfs_block_extend(struct nnpfs_node *no
backnode = backfile->f_mapping->host;
mutex_lock(&backnode->i_mutex);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)
ret = vmtruncate(backnode, nnpfs_blocksize);
+#else
+ ret = inode_newsize_ok(backnode, nnpfs_blocksize);
+ if(!ret)
+ truncate_setsize(backnode, nnpfs_blocksize);
+#endif
mutex_unlock(&backnode->i_mutex);
filp_close(backfile, NULL);
@@ -313,19 +324,27 @@ nnpfs_block_open(struct nnpfs_node *node
struct file **file)
{
char cachename[NNPFS_CACHE_PATH_SIZE];
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+ char full_cachename[NNPFS_CACHE_PATH_SIZE];
+#endif
uint64_t blockindex = nnpfs_block_index(offset);
uint32_t id = node->index;
struct nnpfs *nnpfsp = NNPFS_FROM_XNODE(node);
struct inode *inode = XNODE_TO_VNODE(node);
int flags = O_LARGEFILE | flag;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct nameidata nd;
+#else
+ struct path path;
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
uid_t saveuid;
gid_t savegid;
- int ret;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)
+#else
const struct cred *old_cred;
struct cred *override_cred;
#endif
+ int ret;
BUG_ON(!nnpfsp);
BUG_ON(flags & O_CREAT && file != NULL);
@@ -334,12 +353,22 @@ nnpfs_block_open(struct nnpfs_node *node
ret = snprintf(cachename, sizeof(cachename),
NNPFS_CACHE_DIR_PATH,
id / 0x100, id % 0x100);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+ ret = snprintf(full_cachename, sizeof(cachename),
+ "/usr/arla/cache/" NNPFS_CACHE_DIR_PATH,
+ id / 0x100, id % 0x100);
+#endif
} else {
ret = snprintf(cachename, sizeof(cachename),
NNPFS_CACHE_FILE_PATH,
id / 0x100, id % 0x100,
(unsigned long long)blockindex);
-
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+ ret = snprintf(full_cachename, sizeof(cachename),
+ "/usr/arla/cache/" NNPFS_CACHE_FILE_PATH,
+ id / 0x100, id % 0x100,
+ (unsigned long long)blockindex);
+#endif
if (!nnpfs_block_have_p(node, offset) && (flags & O_CREAT) == 0) {
printk(KERN_EMERG "reading block %s: not there\n", cachename);
BUG();
@@ -350,14 +379,12 @@ nnpfs_block_open(struct nnpfs_node *node
BUG_ON(!nnpfsp->cachedir || !nnpfsp->cacheroot);
/* use the nfsd trick to give us access */
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
saveuid = current->fsuid;
savegid = current->fsgid;
current->fsuid = nnpfsp->uid;
current->fsgid = nnpfsp->gid;
#else
- saveuid = current_fsuid();
- savegid = current_fsgid();
override_cred = prepare_creds();
if (override_cred == NULL)
return -ENOMEM;
@@ -366,11 +393,23 @@ nnpfs_block_open(struct nnpfs_node *node
old_cred = override_creds(override_cred);
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
ret = vfs_path_lookup(nnpfsp->cachedir, nnpfsp->cacheroot,
cachename,
flags & O_CREAT ? LOOKUP_PARENT : 0,
&nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ ret = vfs_path_lookup(nnpfsp->cachedir, nnpfsp->cacheroot,
+ cachename, 0, &nd.path);
+#else
+ ret = vfs_path_lookup(nnpfsp->cachedir, nnpfsp->cacheroot,
+ cachename, 0, &path);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
if (ret) {
+#else
+ if (ret && !(flags & O_CREAT)) {
+#endif
uint32_t nmasks = node->data.nmasks;
uint32_t mask;
@@ -396,17 +435,37 @@ nnpfs_block_open(struct nnpfs_node *node
if (flags & O_CREAT) {
/* XXX mode bits on create -- S_IRUSR|S_IWUSR */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
struct dentry *dentry = lookup_create(&nd, 0);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ struct dentry *dentry = kern_path_create(AT_FDCWD, full_cachename, &nd.path, 0);
+#else
+ struct dentry *dentry = kern_path_create(AT_FDCWD, full_cachename, &path, 0);
+#endif
if (IS_ERR(dentry)) {
ret = PTR_ERR(dentry);
} else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
ret = vfs_create(nd.path.dentry->d_inode, dentry, S_IRUSR|S_IWUSR, &nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ /* XXX should the last argument to vfs_create: bool want_excl, be 0 or 1? */
+ ret = vfs_create(nd.path.dentry->d_inode, dentry, S_IRUSR|S_IWUSR, 0);
+#else
+ /* XXX should the last argument to vfs_create: bool want_excl, be 0 or 1? */
+ ret = vfs_create(path.dentry->d_inode, dentry, S_IRUSR|S_IWUSR, 0);
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
dput(dentry);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
+ path_put(&nd.path);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ done_path_create(&nd.path, dentry);
+#else
+ done_path_create(&path, dentry);
+#endif
}
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- path_put(&nd.path);
-
if (ret) {
printk("nnpfs_block_open(%s) create failed: %d\n", cachename, -ret);
nnpfs_debug_oops();
@@ -421,14 +480,22 @@ nnpfs_block_open(struct nnpfs_node *node
} else {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
struct file *f = dentry_open(nd.path.dentry, nd.path.mnt, flags);
-#else
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
struct file *f = dentry_open(nd.path.dentry, nd.path.mnt, flags, current_cred());
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ struct file *f = dentry_open(&nd.path, flags, current_cred());
+#else
+ struct file *f = dentry_open(&path, flags, current_cred());
#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(3,19,0)
path_put(&nd.path);
+#else
+ path_put(&path);
+#endif
} else {
*file = f;
}
@@ -437,7 +504,7 @@ nnpfs_block_open(struct nnpfs_node *node
/* path_release() is usually handled on close */
out:
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
current->fsuid = saveuid;
current->fsgid = savegid;
#else
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_common.c arla/nnpfs/linux/nnpfs_common.c
--- arla-cvs-old/nnpfs/linux/nnpfs_common.c 2006-12-11 17:31:46.000000000 +0100
+++ arla/nnpfs/linux/nnpfs_common.c 2016-01-14 16:15:00.000000000 +0100
@@ -112,10 +112,15 @@ nnpfs_print_aliases(const struct inode *
void
nnpfs_print_aliases_real(const struct inode *inode)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
struct list_head *alias;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ struct hlist_node *alias;
+#endif
struct dentry *dentry;
int bailout = 100;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
alias = inode->i_dentry.next;
while (alias != &inode->i_dentry) {
if (--bailout < 0) {
@@ -131,6 +136,26 @@ nnpfs_print_aliases_real(const struct in
}
alias = alias->next;
}
+#else
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ hlist_for_each_entry(dentry, alias, &inode->i_dentry, d_alias) {
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+#else
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+#endif
+ if (--bailout < 0) {
+ printk(" ...");
+ break;
+ }
+ if (dentry) {
+ printk(" %.*s(%p)", (int)dentry->d_name.len,
+ dentry->d_name.name, dentry);
+ if (nnpfs_d_entry_unhashed(&dentry->d_hash))
+ printk("(unhashed)");
+ }
+ }
+#endif
printk("\n");
}
@@ -146,7 +171,11 @@ nnpfs_print_children(const struct dentry
while (subdirs != &dentry->d_subdirs) {
struct list_head *tmp = subdirs;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct dentry *child = list_entry(tmp, struct dentry, d_u.d_child);
+#else
+ struct dentry *child = list_entry(tmp, struct dentry, d_child);
+#endif
printk(" %.*s(%p)", (int)child->d_name.len,
child->d_name.name, child);
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_dev.c arla/nnpfs/linux/nnpfs_dev.c
--- arla-cvs-old/nnpfs/linux/nnpfs_dev.c 2006-10-24 18:33:36.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_dev.c 2016-01-14 16:28:19.000000000 +0100
@@ -300,7 +300,9 @@ nnpfs_invalidate_all(struct nnpfs *nnpfs
NNPFSDEB(XDEBNODE, ("free_all_nnpfs_nodes starting\n"));
shrink_dcache_sb(nnpfs->sb);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
invalidate_inodes(nnpfs->sb);
+#endif
NNPFSDEB(XDEBNODE, ("free_all_nnpfs_nodes done\n"));
}
@@ -374,7 +376,11 @@ nnpfs_devclose(struct inode * inode, str
static ssize_t
nnpfs_devread(struct file *file, char *buf, size_t count, loff_t *ppos)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
nnpfs_dev_t dev = file->f_dentry->d_inode->i_rdev;
+#else
+ nnpfs_dev_t dev = file->f_path.dentry->d_inode->i_rdev;
+#endif
struct nnpfs *nnpfsp = &nnpfs[MINOR(dev)];
struct nnpfs_link *first;
int ret = 0, error = 0;
@@ -439,8 +445,12 @@ nnpfs_devwrite(struct file *file, const
NNPFSDEB(XDEBDEV, ("nnpfs_devwrite\n"));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
dev = file->f_dentry->d_inode->i_rdev;
- nnpfsp = &nnpfs[MINOR(dev)];
+#else
+ dev = file->f_path.dentry->d_inode->i_rdev;
+#endif
+ nnpfsp = &nnpfs[MINOR(dev)];
down(&nnpfsp->channel_sem);
if (nnpfsp->status & NNPFS_DEVWRITE) {
@@ -505,19 +515,37 @@ nnpfs_devwrite(struct file *file, const
/*
* Not used.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
static int
nnpfs_devioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
+#else
+static long
+nnpfs_unlocked_devioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+#endif
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
NNPFSDEB(XDEBDEV, ("nnpfs_devioctl dev = %d, flags = %d\n",
inode->i_rdev, file->f_flags));
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ NNPFSDEB(XDEBDEV, ("nnpfs_devioctl dev = %d, flags = %d\n",
+ file->f_dentry->d_inode->i_rdev, file->f_flags));
+#else
+ NNPFSDEB(XDEBDEV, ("nnpfs_devioctl dev = %d, flags = %d\n",
+ file->f_path.dentry->d_inode->i_rdev, file->f_flags));
+#endif
return -EINVAL;
}
static unsigned int
nnpfs_devpoll(struct file *file, poll_table *wait)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
nnpfs_dev_t dev = file->f_dentry->d_inode->i_rdev;
+#else
+ nnpfs_dev_t dev = file->f_path.dentry->d_inode->i_rdev;
+#endif
struct nnpfs *nnpfsp = &nnpfs[MINOR(dev)];
int ret = 0;
@@ -953,7 +981,11 @@ struct file_operations nnpfs_fops = {
read: nnpfs_devread,
write: nnpfs_devwrite,
poll: nnpfs_devpoll,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
ioctl: nnpfs_devioctl,
+#else
+ unlocked_ioctl: nnpfs_unlocked_devioctl,
+#endif
release: nnpfs_devclose,
open: nnpfs_devopen,
};
@@ -968,8 +1000,13 @@ nnpfs_init_device(void)
init_waitqueue_head(&(nnpfs[i].wait_queue));
nnpfs_initq(&nnpfs[i].messageq);
nnpfs_initq(&nnpfs[i].sleepq);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
init_MUTEX(&nnpfs[i].inactive_sem);
init_MUTEX(&nnpfs[i].channel_sem);
+#else
+ sema_init(&nnpfs[i].inactive_sem, 1);
+ sema_init(&nnpfs[i].channel_sem, 1);
+#endif
INIT_LIST_HEAD(&nnpfs[i].inactive_list);
nnpfs[i].nnodes = 0;
}
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_inodeops.c arla/nnpfs/linux/nnpfs_inodeops.c
--- arla-cvs-old/nnpfs/linux/nnpfs_inodeops.c 2010-08-08 22:43:04.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_inodeops.c 2016-05-09 17:13:03.000000000 +0200
@@ -40,13 +40,24 @@
#include <nnpfs/nnpfs_dev.h>
#include <nnpfs/nnpfs_dirent.h>
#include <nnpfs/nnpfs_syscalls.h>
+#include <linux/aio.h>
#include <linux/binfmts.h>
#include <linux/file.h>
#include <linux/pagemap.h>
#include <linux/page-flags.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0)
+#include <linux/uio.h>
+#endif
#include <linux/writeback.h>
#include <asm/fcntl.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)
+#define PAGE_CACHE_SIZE PAGE_SIZE
+#define PAGE_CACHE_SHIFT PAGE_SHIFT
+#define page_cache_get(page) get_page(page)
+#define page_cache_release(page) put_page(page)
+#endif
+
#ifdef RCSID
RCSID("$Id: nnpfs_inodeops.c,v 1.226 2010/08/08 20:43:04 tol Exp $");
#endif
@@ -54,11 +65,23 @@ RCSID("$Id: nnpfs_inodeops.c,v 1.226 201
static int
nnpfs_fsync_int(struct file *file, u_int flag);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
static int
nnpfs_d_revalidate(struct dentry *dentry, struct nameidata *nd);
-
+#else
static int
+nnpfs_d_revalidate(struct dentry *dentry, unsigned int flags);
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
+static
+int
nnpfs_d_delete(struct dentry *dentry);
+#else
+static
+int
+nnpfs_d_delete(const struct dentry *dentry);
+#endif
static void
nnpfs_d_release(struct dentry *dentry);
@@ -214,8 +237,13 @@ nnpfs_inode_valid(struct inode *inode)
* nnpfs_lookup now returns a dentry.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
static struct dentry *
nnpfs_lookup (struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+#else
+static struct dentry *
+nnpfs_lookup (struct inode *dir, struct dentry *dentry, unsigned int flags)
+#endif
{
struct nnpfs_message_getnode msg;
struct nnpfs *nnpfsp;
@@ -407,7 +435,11 @@ find_first_block(struct nnpfs_node *node
static int
nnpfs_fsync_int(struct file *file, u_int flag)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct nnpfs *nnpfsp = NNPFS_FROM_VNODE(inode);
struct nnpfs_node *xn = VNODE_TO_XNODE(inode);
loff_t len = i_size_read(inode);
@@ -474,15 +506,18 @@ nnpfs_fsync_int(struct file *file, u_int
*
*/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
static int
nnpfs_fsync(struct file *file, struct dentry *dentry, int datasync)
-#else
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
static int
nnpfs_fsync(struct file *file, int datasync)
+#else
+static int
+nnpfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
#endif
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)
struct dentry *dentry = file->f_path.dentry;
#endif
struct inode *inode = DENTRY_TO_INODE(dentry);
@@ -490,6 +525,8 @@ nnpfs_fsync(struct file *file, int datas
struct nnpfs_node *xn;
int error = 0;
+ (void)nnpfsp;
+
error = nnpfs_inode_valid(inode);
if (error)
return error;
@@ -622,11 +659,25 @@ check_rights (nnpfs_rights rights, int m
* We don't hold i_mutex.
*/
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) || LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
static int
nnpfs_permission(struct inode *inode, int mode)
+#else
+static int
+nnpfs_permission(struct inode *inode, int mode, unsigned int flags)
+#endif
{
int error = 0;
- nnpfs_pag_t pag = nnpfs_get_pag();
+ nnpfs_pag_t pag;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+ if (mode & MAY_NOT_BLOCK)
+ return -ECHILD;
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+#endif
+
+ pag = nnpfs_get_pag();
NNPFSDEB(XDEBVNOPS, ("nnpfs_access (%p) mode = 0%o aliases:", inode, mode));
nnpfs_print_aliases(inode);
@@ -784,11 +835,19 @@ nnpfs_data_valid(struct inode *inode, u_
int nnpfs_file_mmap(struct file * file, struct vm_area_struct * vma)
{
int flags, error = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct address_space *mapping = file->f_mapping;
NNPFSDEB(XDEBVNOPS, ("nnpfs_mmap inode: %p\n", inode));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
nnpfs_print_path(file->f_dentry);
+#else
+ nnpfs_print_path(file->f_path.dentry);
+#endif
NNPFSDEB(XDEBVNOPS, ("nnpfs_mmap aliases:"));
nnpfs_print_aliases(inode);
@@ -823,28 +882,51 @@ int nnpfs_file_mmap(struct file * file,
*
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
static ssize_t
nnpfs_aio_read(struct kiocb *iocb,
const struct iovec *iov, unsigned long nr_segs,
loff_t pos)
+#else
+static ssize_t
+nnpfs_read_iter(struct kiocb *iocb, struct iov_iter *to)
+#endif
{
int error = 0;
struct file *file = iocb->ki_filp;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0)
ssize_t count = iocb->ki_left;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,1,0)
+ ssize_t count = iocb->ki_nbytes;
+#else
+ ssize_t count = iov_iter_count(to);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct nnpfs_node *xn = VNODE_TO_XNODE(inode);
if (xn != NULL)
NNPFSDEB(XDEBVNOPS, ("nnpfs_read_file(%p): tokens: 0x%x\n",
inode, xn->tokens));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
error = nnpfs_data_valid(inode, NNPFS_DATA_R, pos, pos + count);
+#else
+ error = nnpfs_data_valid(inode, NNPFS_DATA_R, iocb->ki_pos, iocb->ki_pos + count);
+#endif
if (error) {
NNPFSDEB(XDEBVNOPS, ("nnpfs_read_file: data not valid %d\n", error));
return error;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
error = generic_file_aio_read(iocb, iov, nr_segs, pos);
+#else
+ error = generic_file_read_iter(iocb, to);
+#endif
NNPFSDEB(XDEBVNOPS, ("nnpfs_read_file: error = %d\n", error));
return error;
}
@@ -853,17 +935,36 @@ nnpfs_aio_read(struct kiocb *iocb,
*
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
static ssize_t
nnpfs_aio_write(struct kiocb *iocb,
const struct iovec *iov, unsigned long nr_segs,
loff_t pos)
+#else
+static ssize_t
+nnpfs_write_iter(struct kiocb *iocb, struct iov_iter *from)
+#endif
{
int error = 0;
struct file *file = iocb->ki_filp;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0)
ssize_t count = iocb->ki_left;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,1,0)
+ ssize_t count = iocb->ki_nbytes;
+#else
+ ssize_t count = iov_iter_count(from);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct nnpfs_node *xn = VNODE_TO_XNODE(inode);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
loff_t realpos = pos;
+#else
+ loff_t realpos = iocb->ki_pos;
+#endif
NNPFSDEB(XDEBVNOPS, ("nnpfs_aio_write(%p): tokens: 0x%x\n",
inode, xn->tokens));
@@ -877,7 +978,11 @@ nnpfs_aio_write(struct kiocb *iocb,
return error;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
error = generic_file_aio_write(iocb, iov, nr_segs, pos);
+#else
+ error = generic_file_write_iter(iocb, from);
+#endif
if (!IS_ERR_VALUE(error))
xn->flags |= NNPFS_DATA_DIRTY; /* XXX race */
@@ -885,9 +990,19 @@ nnpfs_aio_write(struct kiocb *iocb,
return error;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
static int
nnpfs_create(struct inode *dir, struct dentry *dentry,
int mode, struct nameidata *nd)
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+static int
+nnpfs_create(struct inode *dir, struct dentry *dentry,
+ umode_t mode, struct nameidata *nd)
+#else
+static int
+nnpfs_create(struct inode *dir, struct dentry *dentry,
+ umode_t mode, bool excl)
+#endif
{
struct nnpfs *nnpfsp;
struct nnpfs_node *xn;
@@ -1038,8 +1153,13 @@ nnpfs_rename (struct inode * old_dir, st
return error;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
static int
nnpfs_mkdir(struct inode * dir, struct dentry *dentry, int mode)
+#else
+static int
+nnpfs_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode)
+#endif
{
struct nnpfs *nnpfsp;
struct nnpfs_node *xn;
@@ -1252,12 +1372,21 @@ static int nnpfs_symlink(struct inode *d
/*
* We hold i_mutex.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
static int
nnpfs_readdir(struct file * file, void * dirent, filldir_t filldir)
+#else
+static int
+nnpfs_iterate(struct file * file, struct dir_context *ctx)
+#endif
{
int error;
loff_t offset, begin_offset;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct inode *cache_inode;
struct nnpfs_node *xn = VNODE_TO_XNODE(inode);
char *buf;
@@ -1281,6 +1410,7 @@ nnpfs_readdir(struct file * file, void *
cache_inode = backfile->f_mapping->host;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
while (file->f_pos < i_size_read(cache_inode)) {
NNPFSDEB(XDEBREADDIR,
("nnpfs_readdir file->f_pos: %d i_size: %d\n",
@@ -1293,6 +1423,20 @@ nnpfs_readdir(struct file * file, void *
mapping = backfile->f_mapping;
inpage = file->f_pos & (PAGE_CACHE_SIZE-1);
page_num = file->f_pos >> PAGE_CACHE_SHIFT;
+#else
+ while (ctx->pos < i_size_read(cache_inode)) {
+ NNPFSDEB(XDEBREADDIR,
+ ("nnpfs_readdir file->f_pos: %d i_size: %d\n",
+ (int) ctx->pos, (int) cache_inode->i_size));
+ begin_offset = ctx->pos &~ (NNPFS_DIRENT_BLOCKSIZE - 1);
+ offset = ctx->pos & (NNPFS_DIRENT_BLOCKSIZE - 1);
+ ctx->pos = begin_offset;
+ NNPFSDEB(XDEBREADDIR, ("nnpfs_readdir begin_offset: %d offset: %d\n",
+ (int)begin_offset, (int)offset));
+ mapping = backfile->f_mapping;
+ inpage = ctx->pos & (PAGE_CACHE_SIZE-1);
+ page_num = ctx->pos >> PAGE_CACHE_SHIFT;
+#endif
NNPFSDEB(XDEBREADDIR,
("nnpfs_readdir inpage: %d page_num: %lu\n",
@@ -1328,6 +1472,7 @@ nnpfs_readdir(struct file * file, void *
(int) xdirent->d_namlen,
(int) (offset+begin_offset)));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
if (xdirent->d_fileno != 0
&& (filldir_error = filldir (dirent,
xdirent->d_name,
@@ -1339,12 +1484,28 @@ nnpfs_readdir(struct file * file, void *
("nnpfs_readdir filldir: %d\n", filldir_error));
break;
}
+#else
+ if (xdirent->d_fileno != 0
+ && (filldir_error = dir_emit (ctx,
+ xdirent->d_name,
+ xdirent->d_namlen,
+ xdirent->d_fileno,
+ DT_UNKNOWN)) < 0) {
+ NNPFSDEB(XDEBREADDIR,
+ ("nnpfs_readdir filldir: %d\n", filldir_error));
+ break;
+ }
+#endif
offset += xdirent->d_reclen;
if (xdirent->d_reclen == 0) {
printk(KERN_EMERG "NNPFS Panic: "
"empty dirent at %lld in nnpfs_readdir, pos %d size %d\n",
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
(long long)offset, (int)file->f_pos,
+#else
+ (long long)offset, (int)ctx->pos,
+#endif
(int)cache_inode->i_size);
NNPFSDEB(XDEBVNOPS, ("inode: %p aliases:", inode));
nnpfs_print_aliases(inode);
@@ -1362,7 +1523,11 @@ nnpfs_readdir(struct file * file, void *
if (offset > NNPFS_DIRENT_BLOCKSIZE)
offset = NNPFS_DIRENT_BLOCKSIZE;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
file->f_pos = begin_offset + offset;
+#else
+ ctx->pos = begin_offset + offset;
+#endif
if (error || offset < NNPFS_DIRENT_BLOCKSIZE)
break;
@@ -1395,12 +1560,25 @@ nnpfs_readlink (struct dentry *dentry, c
* We don't hold i_mutex.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
static void *
nnpfs_follow_link (struct dentry *dentry,
struct nameidata *nd)
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
+static const char *
+nnpfs_follow_link (struct dentry *dentry,
+ void **page)
+#else
+static const char *
+nnpfs_get_link (struct dentry *dentry,
+ struct inode *inode,
+ struct delayed_call *done)
+#endif
{
int error = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
struct inode *inode = DENTRY_TO_INODE(dentry);
+#endif
NNPFSDEB(XDEBVNOPS, ("nnpfs_follow_link\n"));
@@ -1408,7 +1586,13 @@ nnpfs_follow_link (struct dentry *dentry
if (error)
return ERR_PTR(error);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
return page_follow_link_light(dentry, nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
+ return page_follow_link_light(dentry, page);
+#else
+ return page_get_link(dentry, inode, done);
+#endif
}
/*
@@ -1490,6 +1674,8 @@ nnpfs_release_file (struct inode *inode,
struct nnpfs_node *xn;
int error = 0;
+ (void)nnpfsp;
+
NNPFSDEB(XDEBVNOPS, ("nnpfs_release_file\n"));
error = nnpfs_inode_valid(inode);
@@ -1523,8 +1709,13 @@ nnpfs_flush(struct file *file, fl_owner_
{
NNPFSDEB(XDEBVNOPS, ("nnpfs_flush\n"));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
if (file && file->f_dentry && file->f_dentry->d_inode)
return nnpfs_release_file(file->f_dentry->d_inode, file);
+#else
+ if (file && file->f_path.dentry && file->f_path.dentry->d_inode)
+ return nnpfs_release_file(file->f_path.dentry->d_inode, file);
+#endif
else
return 0;
}
@@ -1533,10 +1724,24 @@ nnpfs_flush(struct file *file, fl_owner_
* Return 1 if `dentry' is still valid, otherwise 0.
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+static int
+nnpfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
+#else
static int
-nnpfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
+nnpfs_d_revalidate(struct dentry *dentry, unsigned int flags)
+#endif
{
struct inode *inode = DENTRY_TO_INODE(dentry);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
+ if (flags & LOOKUP_RCU)
+ return -ECHILD;
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+ if (nd && nd->flags & LOOKUP_RCU)
+ return -ECHILD;
+#endif
+
NNPFSDEB(XDEBVNOPS, ("nnpfs_d_revalidate %p \"%.*s\" (inode %p)\n",
dentry,
(int)dentry->d_name.len,
@@ -1582,9 +1787,15 @@ nnpfs_d_revalidate(struct dentry *dentry
return 0;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
static
int
nnpfs_d_delete(struct dentry *dentry)
+#else
+static
+int
+nnpfs_d_delete(const struct dentry *dentry)
+#endif
{
struct inode *inode;
struct nnpfs_node *xn;
@@ -1614,7 +1825,11 @@ nnpfs_splice_read(struct file *file, lof
unsigned int flags)
{
int error = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct inode *inode = file->f_dentry->d_inode;
+#else
+ struct inode *inode = file->f_path.dentry->d_inode;
+#endif
struct nnpfs_node *xn = VNODE_TO_XNODE(inode);
if (xn != NULL)
@@ -1707,6 +1922,8 @@ nnpfs_write_backpage(struct page *page,
int error;
+ (void)offset;
+
do {
error = pagecache_write_begin(backfile, mapping, 0, len,
AOP_FLAG_UNINTERRUPTIBLE,
@@ -1730,7 +1947,11 @@ nnpfs_write_backpage(struct page *page,
printk("nnpfs_write_backpage: EIO\n");
#ifdef NNPFS_SAFE_SYNC
else
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
(void)sync_page_range(mapping->host, mapping, offset, len);
+#else
+ (void)filemap_write_and_wait_range(mapping, offset, offset + len - 1);
+#endif
#endif
return error;
@@ -1747,6 +1968,8 @@ nnpfs_read_backpage(struct page *page, s
struct page *backpage;
unsigned long offset;
+ (void)offset;
+
backpage = read_mapping_page(mapping, n, backfile);
if (!IS_ERR(backpage)) {
wait_on_page_locked(backpage);
@@ -1894,11 +2117,17 @@ nnpfs_prepare_write(struct file *file, s
if (modsize > i_size_read(inode)) {
int error;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)
error = vmtruncate(inode, modsize);
+#else
+ error = inode_newsize_ok(inode, modsize);
+ if(!error)
+ truncate_setsize(inode, modsize);
+#endif
if (error) {
printk("nnpfs_prepare_write: truncate(%llu) -> %d\n",
modsize, -error);
- BUG(); /* XXX not correct */
+ /*BUG();*/ /* XXX not correct */
}
}
@@ -1925,7 +2154,6 @@ nnpfs_prepare_write(struct file *file, s
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
-
static int
nnpfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos,
unsigned len, unsigned flags, struct page **pagep, void **fsdata)
@@ -1933,58 +2161,67 @@ unsigned len, unsigned flags, struct pag
struct page *page;
pgoff_t index;
unsigned from;
+ int ret = 0;
index = pos >> PAGE_CACHE_SHIFT;
from = pos & (PAGE_CACHE_SIZE - 1);
-#ifdef AOP_FLAG_NOFS
page = grab_cache_page_write_begin(mapping, index, flags);
-#else
- page = __grab_cache_page(mapping, index);
-#endif
- if (page == NULL)
+ if (!page)
return -ENOMEM;
*pagep = page;
- return nnpfs_prepare_write(file, page, from, from + len);
-}
+ ret = nnpfs_prepare_write(file, page, from, from + len);
+ if (ret) {
+ unlock_page(page);
+ page_cache_release(page);
+ }
+ return ret;
+}
#endif
+/* XXX we use the system provided simple_commit_write instead so this function is unused for now */
+#if 0
static int
nnpfs_commit_write(struct file *file, struct page *page,
unsigned from, unsigned to)
{
- struct inode *inode = page->mapping->host;
- loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to;
+ struct inode *inode = page->mapping->host;
+ loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to;
- if (pos > inode->i_size) {
- i_size_write(inode, pos);
+ if (!PageUptodate(page))
+ SetPageUptodate(page);
- spin_lock(&inode->i_lock);
- inode->i_blocks = (pos + I_BLOCKS_UNIT - 1) >> I_BLOCKS_BITS;
- spin_unlock(&inode->i_lock);
- }
- set_page_dirty(page);
+ if (pos > inode->i_size) {
+ i_size_write(inode, pos);
+
+ spin_lock(&inode->i_lock);
+ inode->i_blocks = (pos + I_BLOCKS_UNIT - 1) >> I_BLOCKS_BITS;
+ spin_unlock(&inode->i_lock);
+ }
+ set_page_dirty(page);
#if 0
- {
- char *addr;
- kmap(page);
- addr = page_address(page);
- NNPFSDEB(XDEBVNOPS, ("nnpfs_commit_write(%p): %x%x%x%x\n",
+ {
+ char *addr;
+ kmap(page);
+ addr = page_address(page);
+ NNPFSDEB(XDEBVNOPS, ("nnpfs_commit_write(%p): %x%x%x%x\n",
file->f_mapping->host,
addr[0], addr[1], addr[2], addr[3]));
- kunmap(page);
- }
+ kunmap(page);
+ }
#endif
-
- return 0;
+
+ return 0;
}
+#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
-
+/* XXX we use the system provided simple_write_end instead so this function is unused for now */
+#if 0
static int
nnpfs_write_end(struct file *file, struct address_space *mapping, loff_t pos,
unsigned len, unsigned copied, struct page *page, void *fsdata)
@@ -1993,10 +2230,18 @@ nnpfs_write_end(struct file *file, struc
/* zero the stale part of the page if we did a short copy */
if (copied < len) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
void *kaddr = kmap_atomic(page, KM_USER0);
+#else
+ void *kaddr = kmap_atomic(page);
+#endif
memset(kaddr + from + copied, 0, len - copied);
flush_dcache_page(page);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
kunmap_atomic(kaddr, KM_USER0);
+#else
+ kunmap_atomic(kaddr);
+#endif
}
nnpfs_commit_write(file, page, from, from + copied);
@@ -2006,7 +2251,7 @@ nnpfs_write_end(struct file *file, struc
return copied;
}
-
+#endif
#endif
const
@@ -2015,10 +2260,10 @@ struct address_space_operations nnpfs_ao
.writepage = nnpfs_writepage,
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
.prepare_write = nnpfs_prepare_write,
- .commit_write = nnpfs_commit_write,
+ .commit_write = simple_commit_write,
#else
.write_begin = nnpfs_write_begin,
- .write_end = nnpfs_write_end,
+ .write_end = simple_write_end,
#endif
};
@@ -2027,8 +2272,13 @@ struct address_space_operations nnpfs_ao
*/
struct file_operations nnpfs_file_operations = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
.aio_read = nnpfs_aio_read,
.aio_write = nnpfs_aio_write,
+#else
+ .read_iter = nnpfs_read_iter,
+ .write_iter = nnpfs_write_iter,
+#endif
.mmap = nnpfs_file_mmap,
.open = nnpfs_open,
.flush = nnpfs_flush,
@@ -2041,7 +2291,11 @@ struct file_operations nnpfs_dead_operat
};
struct file_operations nnpfs_dir_operations = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
.readdir = nnpfs_readdir,
+#else
+ .iterate = nnpfs_iterate,
+#endif
.flush = nnpfs_flush,
};
@@ -2078,6 +2332,10 @@ struct inode_operations nnpfs_dead_inode
struct inode_operations nnpfs_link_inode_operations = {
.readlink = nnpfs_readlink,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
.follow_link = nnpfs_follow_link,
.put_link = page_put_link,
+#else
+ .get_link = nnpfs_get_link,
+#endif
};
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_load.c arla/nnpfs/linux/nnpfs_load.c
--- arla-cvs-old/nnpfs/linux/nnpfs_load.c 2006-10-31 11:02:41.000000000 +0100
+++ arla/nnpfs/linux/nnpfs_load.c 2016-01-13 20:14:02.000000000 +0100
@@ -54,7 +54,11 @@ extern struct file_operations nnpfs_fops
struct file_system_type nnpfs_fs_type = {
name: "nnpfs",
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
get_sb: nnpfs_get_sb,
+#else
+ mount: nnpfs_mount,
+#endif
kill_sb: kill_litter_super,
owner: THIS_MODULE,
};
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_message.c arla/nnpfs/linux/nnpfs_message.c
--- arla-cvs-old/nnpfs/linux/nnpfs_message.c 2010-08-08 22:43:05.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_message.c 2016-01-24 18:52:28.000000000 +0100
@@ -55,9 +55,15 @@ static void
nnpfs_d_remove(struct dentry *dentry)
{
NNPFSDEB(XDEBMSG, ("nnpfs_d_remove %p\n", dentry));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
spin_lock(&dcache_lock);
dget_locked(dentry);
spin_unlock(&dcache_lock);
+#else
+ spin_lock(&dentry->d_lock);
+ dget_dlock(dentry);
+ spin_unlock(&dentry->d_lock);
+#endif
d_drop(dentry);
dput(dentry);
}
@@ -121,7 +127,11 @@ nnpfs_message_installnode(struct nnpfs *
struct inode *di, *inode;
struct dentry *parent = NULL;
struct qstr sqstr;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
struct list_head *alias;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ struct hlist_node *alias;
+#endif
NNPFSDEB(XDEBMSG, ("nnpfs_message_installnode\n"));
@@ -176,12 +186,26 @@ nnpfs_message_installnode(struct nnpfs *
*
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
alias = di->i_dentry.next;
while (alias != &di->i_dentry) {
parent = list_entry(alias, struct dentry, d_alias);
- spin_lock(&dcache_lock);
- dget_locked(parent);
- spin_unlock(&dcache_lock);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ hlist_for_each_entry(parent, alias, &di->i_dentry, d_alias) {
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ hlist_for_each_entry(parent, &di->i_dentry, d_alias) {
+#else
+ hlist_for_each_entry(parent, &di->i_dentry, d_u.d_alias) {
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
+ spin_lock(&dcache_lock);
+ dget_locked(parent);
+ spin_unlock(&dcache_lock);
+#else
+ spin_lock(&parent->d_lock);
+ dget_dlock(parent);
+ spin_unlock(&parent->d_lock);
+#endif
dentry = d_lookup(parent, &sqstr);
NNPFSDEB(XDEBMSG,
("nnpfs_message_installnode: alias %p, lookup %p\n",
@@ -233,7 +257,9 @@ nnpfs_message_installnode(struct nnpfs *
dput(dentry);
dentry = NULL;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
alias = alias->next;
+#endif
dput(parent);
}
NNPFSDEB(XDEBMSG, ("nnpfs_message_installnode: done installing\n"));
@@ -268,7 +294,13 @@ nnpfs_message_installattr(struct nnpfs *
}
inode = XNODE_TO_VNODE(t);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ dentry = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
+#else
+ dentry = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
+#endif
NNPFSDEB(XDEBMSG, ("nnpfs_message_installattr name:%s\n",
dentry->d_name.name));
@@ -396,17 +428,35 @@ nnpfs_message_installdata(struct nnpfs *
static void
clear_all_children (struct inode *inode, int parent)
{
+ struct dentry *dentry;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
struct list_head *alias;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ struct hlist_node *alias;
+#endif
again:
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
spin_lock(&dcache_lock);
+#else
+ spin_lock(&inode->i_lock);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
alias = inode->i_dentry.next;
while (alias != &inode->i_dentry) {
- struct dentry *dentry;
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
+ hlist_for_each_entry(dentry, alias, &inode->i_dentry, d_alias) {
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+#else
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+#endif
struct list_head *subdirs;
struct nnpfs_dentry_data *xd;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
dentry = list_entry(alias, struct dentry, d_alias);
+#endif
if (dentry == NULL) {
printk(KERN_EMERG "NNPFS Panic: dentry in alias list is null\n");
break;
@@ -422,7 +472,11 @@ clear_all_children (struct inode *inode,
subdirs = dentry->d_subdirs.next;
while (subdirs != &dentry->d_subdirs) {
struct list_head *tmp = subdirs;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct dentry *child = list_entry(tmp, struct dentry, d_u.d_child);
+#else
+ struct dentry *child = list_entry(tmp, struct dentry, d_child);
+#endif
subdirs = tmp->next;
NNPFSDEB(XDEBMSG, ("clear_all_children child: %.*s inode: %p/%p "
"dcount: %d aliases:\n",
@@ -442,14 +496,24 @@ clear_all_children (struct inode *inode,
/* Throw immediately */
if (nnpfs_dcount(child) == 0) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
spin_unlock(&dcache_lock);
+#else
+ spin_unlock(&inode->i_lock);
+#endif
nnpfs_d_remove(child);
goto again;
}
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
alias = alias->next;
+#endif
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
spin_unlock(&dcache_lock);
+#else
+ spin_unlock(&inode->i_lock);
+#endif
}
static void
@@ -719,12 +783,22 @@ nnpfs_message_version(struct nnpfs *nnpf
/* sanity check before we look at it */
if (size == sizeof(*message) && message->version == NNPFS_VERSION) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct nameidata nd;
+#else
+ struct path path;
+#endif
int error;
uint64_t blocksize = message->blocksize;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
error = path_lookup(".", 0, &nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ error = kern_path(".", 0, &nd.path);
+#else
+ error = kern_path(".", 0, &path);
+#endif
if (error) {
/*
* Bad cache root, just return.
@@ -735,11 +809,17 @@ nnpfs_message_version(struct nnpfs *nnpf
"nnpfs_message_version failed path_lookup, "
"errno: %d\n", error);
} else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
nnpfsp->cacheroot = mntget(nd.path.mnt);
nnpfsp->cachedir = dget(nd.path.dentry);
path_put(&nd.path);
+#else
+ nnpfsp->cacheroot = mntget(path.mnt);
+ nnpfsp->cachedir = dget(path.dentry);
+ path_put(&path);
+#endif
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
nnpfsp->uid = current->fsuid;
nnpfsp->gid = current->fsgid;
#else
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_node.c arla/nnpfs/linux/nnpfs_node.c
--- arla-cvs-old/nnpfs/linux/nnpfs_node.c 2007-01-03 14:52:02.000000000 +0100
+++ arla/nnpfs/linux/nnpfs_node.c 2016-05-06 17:01:10.000000000 +0200
@@ -132,7 +132,12 @@ nnpfs_setsize(struct inode *inode, uint6
printk("nnpfs_setsize: truncating @0x%llu\n",
(unsigned long long)size);
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)
vmtruncate(inode, size); /* XXX retval */
+#else
+ if(!inode_newsize_ok(inode, size))
+ truncate_setsize(inode, size);
+#endif
nnpfs_block_truncate(xn, size);
}
}
@@ -150,9 +155,18 @@ nnpfs_attr2inode(const struct nnpfs_attr
struct timespec notime = {0};
inode->i_mode = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
inode->i_uid = 0;
inode->i_gid = 0;
+#else
+ inode->i_uid = KUIDT_INIT(0);
+ inode->i_gid = KGIDT_INIT(0);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
inode->i_nlink = 1;
+#else
+ set_nlink(inode, 1);
+#endif
inode->i_atime = notime;
inode->i_mtime = notime;
inode->i_ctime = notime;
@@ -169,7 +183,11 @@ nnpfs_attr2inode(const struct nnpfs_attr
if (XA_VALID_GID(attr))
inode->i_gid = attr->xa_gid;
if (XA_VALID_NLINK(attr))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0)
inode->i_nlink = attr->xa_nlink;
+#else
+ set_nlink(inode, attr->xa_nlink);
+#endif
if (XA_VALID_SIZE(attr)) {
nnpfs_setsize(inode, attr->xa_size);
@@ -266,6 +284,9 @@ nnpfs_fill_inode(struct inode *inode, st
inode->i_op = &nnpfs_link_inode_operations;
inode->i_fop = &nnpfs_link_operations;
inode->i_mapping->a_ops = &nnpfs_aops;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
+ inode_nohighmem(inode);
+#endif
} else {
inode->i_op = &nnpfs_dead_inode_operations;
inode->i_fop = &nnpfs_dead_operations;
@@ -510,12 +531,24 @@ nnpfs_has_pag(const struct nnpfs_node *x
int
nnpfs_node_users(struct inode *inode)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
struct list_head *pos;
+#else
+ struct hlist_node *pos;
+#endif
int users = 0;
/* XXX this should probably be protected somehow */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
list_for_each(pos, &inode->i_dentry) {
+#else
+ hlist_for_each(pos, &inode->i_dentry) {
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct dentry *dentry = list_entry(pos, struct dentry, d_alias);
+#else
+ struct dentry *dentry = list_entry(pos, struct dentry, d_u.d_alias);
+#endif
if (nnpfs_dcount(dentry) > 1)
users++;
}
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_syscalls.c arla/nnpfs/linux/nnpfs_syscalls.c
--- arla-cvs-old/nnpfs/linux/nnpfs_syscalls.c 2010-08-08 22:43:06.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_syscalls.c 2016-02-20 19:43:42.000000000 +0100
@@ -42,7 +42,9 @@
#include <nnpfs/nnpfs_syscalls.h>
#include <nnpfs/nnpfs_common.h>
#include <linux/file.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
#include <linux/smp_lock.h>
+#endif
#include <linux/smp.h>
#include <linux/proc_fs.h>
@@ -50,6 +52,11 @@
#include <linux/security.h>
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+#undef SYSCALLHACK
+/* the method to read 'lower_bound' does not work on kernel 3.7 and later, se nnpfs_syscalls-lossage.c */
+#endif
+
#if 0
#ifdef CONFIG_COMPAT
#include <linux/ioctl32.h>
@@ -82,12 +89,22 @@ typedef struct afsprocdata {
unsigned long syscall;
} afsprocdata;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
static int
nnpfs_procfs_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);
+#else
+static long
+nnpfs_procfs_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg);
+#endif
static struct file_operations nnpfs_procfs_fops = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
.ioctl = nnpfs_procfs_ioctl,
+#else
+ .unlocked_ioctl = nnpfs_procfs_ioctl,
+#endif
};
@@ -160,8 +177,10 @@ nnpfs_get_pag_sec(void)
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
return current->uid;
-#else
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
return current_uid();
+#else
+ { kuid_t kuid = current_uid(); return kuid.val; }
#endif
}
@@ -199,7 +218,12 @@ find_pag(struct group_info *gi)
NNPFSDEB(XDEBSYS, ("find_pag: ngroups = %d\n", gi->ngroups));
for (i = gi->ngroups - 1; i >= 0; i--) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
gid_t group = GROUP_AT(gi, i);
+#else
+ kgid_t kgroup = GROUP_AT(gi, i);
+ gid_t group = kgroup.val;
+#endif
if ((nnpfs_pag_t)group >= NNPFS_PAG_LLIM && (nnpfs_pag_t)group < NNPFS_PAG_ULIM) {
NNPFSDEB(XDEBSYS,
("find_pag: Existing pag %u at pos %u\n", group, i));
@@ -220,7 +244,12 @@ nnpfs_get_pag_group(void)
nnpfs_pag_t ret = current->uid;
#else
struct group_info *gi = get_current_groups();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
nnpfs_pag_t ret = current_uid();
+#else
+ kuid_t kuid = current_uid();
+ nnpfs_pag_t ret = kuid.val;
+#endif
#endif
int i;
@@ -230,7 +259,11 @@ nnpfs_get_pag_group(void)
i = find_pag(gi);
if (i != NNPFS_PAG_NOTFOUND)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
ret = GROUP_AT(gi, i);
+#else
+ { kgid_t kgid = GROUP_AT(gi, i); ret = kgid.val; }
+#endif
put_group_info(gi);
@@ -280,10 +313,17 @@ store_pag(nnpfs_pag_t pagnum)
count -= NGROUPS_PER_BLOCK;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
if (found)
GROUP_AT(new_gi, i) = pagnum;
else
GROUP_AT(new_gi, new_gi->ngroups - 1) = pagnum;
+#else
+ if (found)
+ { kgid_t kgid = KGIDT_INIT(pagnum); GROUP_AT(new_gi, i) = kgid; }
+ else
+ { kgid_t kgid = KGIDT_INIT(pagnum); GROUP_AT(new_gi, new_gi->ngroups - 1) = kgid; }
+#endif
set_current_groups(new_gi);
put_group_info(new_gi);
@@ -325,8 +365,10 @@ nnpfs_get_pag()
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
return current->uid;
-#else
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
return current_uid();
+#else
+ { kuid_t kuid = current_uid(); return kuid.val; }
#endif
}
@@ -432,7 +474,7 @@ nnpfs_setgroups16 (int gidsetsize, old_g
#endif /* SYSCALLHACK */
#endif /* GROUPPAGS */
-struct file_handle {
+struct nnpfs_file_handle {
nnpfs_dev_t dev;
ino_t inode;
__u32 gen;
@@ -519,26 +561,58 @@ nnpfs_debug_print (struct arlaViceIoctl
* follow symlinks iff `follow'
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
static struct dentry *
user_path2dentry (struct nameidata *nd, char *user_path, int follow)
+#else
+static struct dentry *
+user_path2dentry (struct path *path, char *user_path, int follow)
+#endif
{
char *kname;
int flags = 0;
int error = 0;
- kname = getname (user_path);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
+ kname = getname(user_path);
+#else
+ kname = __getname();
+#endif
+
if (IS_ERR(kname))
return ERR_PTR(PTR_ERR(kname));
if (follow)
flags |= LOOKUP_FOLLOW;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+ error = strncpy_from_user(kname, user_path, PATH_MAX);
+ if (error < 0 || error == PATH_MAX) {
+ __putname(kname);
+ return ERR_PTR(error);
+ }
+#endif
+
NNPFSDEB(XDEBMSG, ("nnpfs_syscall: looking up: %s\n", kname));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
error = path_lookup(kname, flags, nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ error = kern_path(kname, flags, &(nd->path));
+#else
+ error = kern_path(kname, flags, path);
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
putname(kname);
+#else
+ __putname(kname);
+#endif
if (error)
return ERR_PTR(error);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
return nd->path.dentry;
+#else
+ return path->dentry;
+#endif
}
asmlinkage long
@@ -553,13 +627,21 @@ sys_afs_int (int operation,
struct nnpfs_message_pioctl *msg = NULL;
struct nnpfs_message_wakeup *msg2;
struct dentry *dentry = NULL;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct nameidata nd;
+#else
+ struct path path;
+#endif
msg = kmalloc(sizeof(*msg), GFP_KERNEL);
if (msg == NULL)
return -ENOMEM;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
lock_kernel();
+#else
+ /* XXX lock_kernel() is removed, consider adding an private lock */
+#endif
NNPFSDEB(XDEBSYS, ("sys_afs kernel locked\n"));
@@ -597,7 +679,11 @@ sys_afs_int (int operation,
}
}
if (a_pathP != NULL) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
dentry = user_path2dentry (&nd, a_pathP, a_followSymlinks);
+#else
+ dentry = user_path2dentry (&path, a_pathP, a_followSymlinks);
+#endif
if (!dentry) {
error = -EINVAL;
goto unlock;
@@ -693,13 +779,21 @@ sys_afs_int (int operation,
unlock:
if (dentry)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
path_put(&nd.path);
+#else
+ path_put(&path);
+#endif
NNPFSDEB(XDEBSYS, ("nnpfs_syscall returns error: %ld\n", error));
NNPFSDEB(XDEBSYS, ("sys_afs kernel unlock\n"));
kfree(msg);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
unlock_kernel();
+#else
+ /* XXX see the comment at lock_kernel() above */
+#endif
return error;
}
@@ -748,9 +842,15 @@ sys_afs (int operation,
a_followSymlinks);
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
static int
nnpfs_procfs_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
+#else
+static long
+nnpfs_procfs_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+#endif
{
afsprocdata args;
long ret;
@@ -807,7 +907,11 @@ static int nnpfs_init_procfs(void)
nnpfs_procfs_dir->owner = THIS_MODULE;
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
entry = create_proc_entry(NNPFS_PROC_NODE, 0666, nnpfs_procfs_dir);
+#else
+ entry = proc_create(NNPFS_PROC_NODE, 0666, NULL, &nnpfs_procfs_fops);
+#endif
if (entry == NULL) {
NNPFSDEB(XDEBSYS, ("nnpfs_init_procfs: no node\n"));
remove_proc_entry("fs/" NNPFS_PROC_DIR, NULL);
@@ -817,7 +921,9 @@ static int nnpfs_init_procfs(void)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
entry->owner = THIS_MODULE;
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
entry->proc_fops = &nnpfs_procfs_fops;
+#endif
#ifdef SYSCALLCOMPAT
if (register_ioctl32_conversion(ARLA_VIOC_SYSCALL32, nnpfs_procfs_ioctl32)) {
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_syscalls-lossage.c arla/nnpfs/linux/nnpfs_syscalls-lossage.c
--- arla-cvs-old/nnpfs/linux/nnpfs_syscalls-lossage.c 2010-08-08 22:43:05.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_syscalls-lossage.c 2016-01-13 21:51:49.000000000 +0100
@@ -50,8 +50,17 @@
RCSID("$Id: nnpfs_syscalls-lossage.c,v 1.19 2010/08/08 20:43:05 tol Exp $");
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
+/* the method to read 'lower_bound' does not work on kernel 3.7 and later */
+#undef SYSCALLHACK
+#endif
+
#include <linux/kallsyms.h>
+#ifdef SYSCALLHACK
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
static void *lower_bound = &kernel_thread;
+#endif
+#endif
void * __attribute__((weak)) sys_call_table(void);
nnpfs_sys_call_function *nnpfs_sys_call_table =
@@ -66,6 +75,8 @@ const char * __attribute__((weak))
#ifdef __x86_64__
extern rwlock_t tasklist_lock __attribute__((weak));
#endif
+
+#ifdef SYSCALLHACK
static void **
get_start_addr(void) {
#ifdef __x86_64__
@@ -74,6 +85,7 @@ get_start_addr(void) {
return (void **)&mutex_lock;
#endif
}
+#endif
static inline int
kallsym_is_equal(unsigned long addr, const char *name)
@@ -142,6 +154,8 @@ verify(void **p) {
return 1;
}
+#ifdef SYSCALLHACK
+
static inline int looks_good(void **p)
{
if (*p <= (void*)lower_bound || *p >= (void*)p)
@@ -191,3 +205,5 @@ nnpfs_fixup_syscall_lossage(void)
return 0;
}
+
+#endif
diff -uprN -Xnodiff arla-cvs-old/nnpfs/linux/nnpfs_vfsops.c arla/nnpfs/linux/nnpfs_vfsops.c
--- arla-cvs-old/nnpfs/linux/nnpfs_vfsops.c 2010-08-08 22:43:06.000000000 +0200
+++ arla/nnpfs/linux/nnpfs_vfsops.c 2016-02-14 01:36:06.000000000 +0100
@@ -50,7 +50,9 @@ RCSID("$Id: nnpfs_vfsops.c,v 1.111 2010/
struct nnpfs nnpfs[NNNPFS];
static void nnpfs_put_super(struct super_block *sb);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
static void nnpfs_write_super(struct super_block * sb);
+#endif
static int nnpfs_statfs(struct dentry *dentry, struct kstatfs *buf);
@@ -59,7 +61,9 @@ static struct super_operations nnpfs_sop
destroy_inode : nnpfs_node_free,
drop_inode : generic_delete_inode,
put_super : nnpfs_put_super,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
write_super : nnpfs_write_super,
+#endif
statfs : nnpfs_statfs,
};
@@ -86,7 +90,11 @@ nnpfs_fetch_root(struct inode *i)
* root's priviliges (usually none, and none is needed).
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
msg.cred.uid = 0;
+#else
+ msg.cred.uid = KUIDT_INIT(0);
+#endif
msg.cred.pag = 0;
error = nnpfs_message_rpc(nnpfsp, &msg.header, sizeof(msg));
@@ -121,8 +129,13 @@ make_root_inode(struct nnpfs *nnpfsp)
XA_SET_MODE(&node.attr, S_IFDIR | 0777);
XA_SET_NLINK(&node.attr, 100);
XA_SET_SIZE(&node.attr, 0);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
XA_SET_UID(&node.attr, 0);
XA_SET_GID(&node.attr, 0);
+#else
+ XA_SET_UID(&node.attr, KUIDT_INIT(0));
+ XA_SET_GID(&node.attr, KGIDT_INIT(0));
+#endif
XA_SET_ATIME(&node.attr, 0);
XA_SET_MTIME(&node.attr, 0);
XA_SET_CTIME(&node.attr, 0);
@@ -151,7 +164,11 @@ make_root (struct super_block *sb)
nnpfs->root = inode;
/* XXX error handling */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
dp = d_alloc_root(inode);
+#else
+ dp = d_make_root(inode);
+#endif
nnpfs_d_init(dp);
sb->s_root = dp;
return 0;
@@ -175,13 +192,27 @@ nnpfs_read_super (struct super_block * s
NNPFSDEB(XDEBVFOPS, ("nnpfs_read_super: begin setting variables\n"));
if (data != NULL) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
struct nameidata nd;
+#else
+ struct path path;
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
error = path_lookup(data, 0, &nd);
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ error = kern_path(data, 0, &nd.path);
+#else
+ error = kern_path(data, 0, &path);
+#endif
if (error)
ddev = ERR_PTR(error);
else
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
ddev = nd.path.dentry;
+#else
+ ddev = path.dentry;
+#endif
if (!IS_ERR(ddev)) {
minordevice = MINOR(ddev->d_inode->i_rdev);
@@ -225,6 +256,7 @@ nnpfs_fill_super (struct super_block *sb
return 0;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
int
nnpfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name,
@@ -232,12 +264,23 @@ nnpfs_get_sb(struct file_system_type *fs
{
return get_sb_nodev(fs_type, flags, data, nnpfs_fill_super, mnt);
}
+#else
+struct dentry*
+nnpfs_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name,
+ void *data)
+{
+ return mount_nodev(fs_type, flags, data, nnpfs_fill_super);
+}
+#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
static void
nnpfs_write_super(struct super_block * sb)
{
sb->s_dirt = 0;
}
+#endif
/*
* XXX is this good?
@@ -276,7 +319,11 @@ nnpfs_statfs_int(struct super_block *sb,
tmp.f_spare[1] = 0;
tmp.f_spare[2] = 0;
tmp.f_spare[3] = 0;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
tmp.f_spare[4] = 0;
+#else
+ tmp.f_flags = 0;
+#endif
*buf = tmp;
return 0;
}
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