From 3b9efe808de75ef53254ff85a9daae9b4e0aa52d Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 16 Mar 2008 20:32:45 +0000
Subject: [PATCH] Fix compilation of fuse with 2.6.24
SVN-Revision: 10609
---
package/fuse/patches/300-2.6.24_fixes.patch | 246 ++++++++++++++++++++
1 file changed, 246 insertions(+)
create mode 100644 package/fuse/patches/300-2.6.24_fixes.patch
diff --git a/package/fuse/patches/300-2.6.24_fixes.patch b/package/fuse/patches/300-2.6.24_fixes.patch
new file mode 100644
index 0000000000..e8f761e371
--- /dev/null
+++ b/package/fuse/patches/300-2.6.24_fixes.patch
@@ -0,0 +1,246 @@
+# HG changeset patch
+# User mszeredi
+# Date 1197485983 0
+# Node ID 5b8914cfe0fb7ccfb6e7f61512374d8541f2a193
+# Parent 81a85541800582144b7381e0b022c10245facc61
+Fix kernel module compile for 2.6.24
+
+--- a/kernel/dir.c Wed Dec 12 14:33:17 2007 +0000
++++ b/kernel/dir.c Wed Dec 12 18:59:43 2007 +0000
+@@ -191,7 +191,7 @@ static int invalid_nodeid(u64 nodeid)
+ return !nodeid || nodeid == FUSE_ROOT_ID;
+ }
+
+-static struct dentry_operations fuse_dentry_operations = {
++struct dentry_operations fuse_dentry_operations = {
+ .d_revalidate = fuse_dentry_revalidate,
+ };
+
+@@ -378,6 +378,7 @@ static int fuse_create_open(struct inode
+ }
+ fuse_put_request(fc, forget_req);
+ d_instantiate(entry, inode);
++ fuse_invalidate_attr(dir);
+ fuse_change_timeout(entry, &outentry);
+ file = lookup_instantiate_filp(nd, entry, generic_file_open);
+ if (IS_ERR(file)) {
+@@ -619,6 +620,9 @@ static int fuse_rename(struct inode *old
+ err = req->out.h.error;
+ fuse_put_request(fc, req);
+ if (!err) {
++ /* ctime changes */
++ fuse_invalidate_attr(oldent->d_inode);
++
+ fuse_invalidate_attr(olddir);
+ if (olddir != newdir)
+ fuse_invalidate_attr(newdir);
+--- a/kernel/fuse_i.h Wed Dec 12 14:33:17 2007 +0000
++++ b/kernel/fuse_i.h Wed Dec 12 18:59:43 2007 +0000
+@@ -47,6 +47,9 @@
+ #endif
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
+ # define KERNEL_2_6_23_PLUS
++#endif
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++# define KERNEL_2_6_24_PLUS
+ #endif
+
+ #if defined(__arm__) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+@@ -647,3 +650,5 @@ int fuse_valid_type(int m);
+ * Is task allowed to perform filesystem operation?
+ */
+ int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task);
++
++extern struct dentry_operations fuse_dentry_operations;
+--- a/kernel/inode.c Wed Dec 12 14:33:17 2007 +0000
++++ b/kernel/inode.c Wed Dec 12 18:59:43 2007 +0000
+@@ -520,21 +520,26 @@ static struct inode *get_root_inode(stru
+ #ifdef HAVE_EXPORTFS_H
+ #include <linux/exportfs.h>
+ #endif
+-static struct dentry *fuse_get_dentry(struct super_block *sb, void *vobjp)
++
++struct fuse_inode_handle
+ {
+- __u32 *objp = vobjp;
+- unsigned long nodeid = objp[0];
+- __u32 generation = objp[1];
++ u64 nodeid;
++ u32 generation;
++};
++
++static struct dentry *fuse_get_dentry(struct super_block *sb,
++ struct fuse_inode_handle *handle)
++{
+ struct inode *inode;
+ struct dentry *entry;
+
+- if (nodeid == 0)
++ if (handle->nodeid == 0)
+ return ERR_PTR(-ESTALE);
+
+- inode = ilookup5(sb, nodeid, fuse_inode_eq, &nodeid);
++ inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);
+ if (!inode)
+ return ERR_PTR(-ESTALE);
+- if (inode->i_generation != generation) {
++ if (inode->i_generation != handle->generation) {
+ iput(inode);
+ return ERR_PTR(-ESTALE);
+ }
+@@ -544,42 +549,130 @@ static struct dentry *fuse_get_dentry(st
+ iput(inode);
+ return ERR_PTR(-ENOMEM);
+ }
++ entry->d_op = &fuse_dentry_operations;
+
+ return entry;
+ }
+
+-static int fuse_encode_fh(struct dentry *dentry, __u32 *fh, int *max_len,
+- int connectable)
++static int fuse_encode_fh(struct dentry *dentry, u32 *fh, int *max_len,
++ int connectable)
+ {
+ struct inode *inode = dentry->d_inode;
+ int len = *max_len;
+ int type = 1;
++ u64 nodeid;
++ u32 generation;
+
+- if (len < 2 || (connectable && len < 4))
+- return 255;
++ if (len < 3 || (connectable && len < 6))
++ return 255;
+
+- len = 2;
+- fh[0] = get_fuse_inode(inode)->nodeid;
+- fh[1] = inode->i_generation;
++ nodeid = get_fuse_inode(inode)->nodeid;
++ generation = inode->i_generation;
++
++ len = 3;
++ fh[0] = (u32)(nodeid >> 32);
++ fh[1] = (u32)(nodeid & 0xffffffff);
++ fh[2] = generation;
++
+ if (connectable && !S_ISDIR(inode->i_mode)) {
+ struct inode *parent;
+
+ spin_lock(&dentry->d_lock);
+ parent = dentry->d_parent->d_inode;
+- fh[2] = get_fuse_inode(parent)->nodeid;
+- fh[3] = parent->i_generation;
++ nodeid = get_fuse_inode(parent)->nodeid;
++ generation = parent->i_generation;
++
++ fh[3] = (u32)(nodeid >> 32);
++ fh[4] = (u32)(nodeid & 0xffffffff);
++ fh[5] = generation;
+ spin_unlock(&dentry->d_lock);
+- len = 4;
++
++ len = 6;
+ type = 2;
+ }
++
+ *max_len = len;
+ return type;
+ }
+
++#ifdef KERNEL_2_6_24_PLUS
++static struct dentry *fuse_fh_to_dentry(struct super_block *sb,
++ struct fid *fid, int fh_len, int fh_type)
++{
++ struct fuse_inode_handle handle;
++
++ if (fh_len < 3 || fh_type > 2)
++ return NULL;
++
++ handle.nodeid = (u64) fid->raw[0] << 32;
++ handle.nodeid |= (u64) fid->raw[1];
++ handle.generation = fid->raw[2];
++ return fuse_get_dentry(sb, &handle);
++}
++
++static struct dentry *fuse_fh_to_parent(struct super_block *sb,
++ struct fid *fid, int fh_len, int fh_type)
++{
++ struct fuse_inode_handle parent;
++
++ if (fh_type != 2 || fh_len < 6)
++ return NULL;
++
++ parent.nodeid = (u64) fid->raw[3] << 32;
++ parent.nodeid |= (u64) fid->raw[4];
++ parent.generation = fid->raw[5];
++ return fuse_get_dentry(sb, &parent);
++}
++
++
++static const struct export_operations fuse_export_operations = {
++ .fh_to_dentry = fuse_fh_to_dentry,
++ .fh_to_parent = fuse_fh_to_parent,
++ .encode_fh = fuse_encode_fh,
++};
++#else
++static struct dentry *fuse_get_dentry_old(struct super_block *sb, void *objp)
++{
++ return fuse_get_dentry(sb, objp);
++}
++
++static struct dentry *fuse_decode_fh(struct super_block *sb, u32 *fh,
++ int fh_len, int fileid_type,
++ int (*acceptable)(void *context, struct dentry *de),
++ void *context)
++{
++ struct fuse_inode_handle handle;
++ struct fuse_inode_handle parent;
++
++ if (fh_len < 3 || fileid_type > 2)
++ return NULL;
++
++ if (fileid_type == 2) {
++ if (fh_len < 6)
++ return NULL;
++
++ parent.nodeid = (u64) fh[3] << 32;
++ parent.nodeid |= (u64) fh[4];
++ parent.generation = fh[5];
++ } else {
++ parent.nodeid = 0;
++ parent.generation = 0;
++ }
++
++ handle.nodeid = (u64) fh[0] << 32;
++ handle.nodeid |= (u64) fh[1];
++ handle.generation = fh[2];
++
++ return ret = fuse_export_operations.
++ find_exported_dentry(sb, &handle, &parent, acceptable, context);
++}
++
+ static struct export_operations fuse_export_operations = {
+- .get_dentry = fuse_get_dentry,
++ .get_dentry = fuse_get_dentry_old,
+ .encode_fh = fuse_encode_fh,
++ .decode_fh = fuse_decode_fh,
+ };
++#endif
+ #endif
+
+ static struct super_operations fuse_super_operations = {
+@@ -845,8 +938,12 @@ static decl_subsys(fuse, NULL, NULL);
+ static decl_subsys(fuse, NULL, NULL);
+ static decl_subsys(connections, NULL, NULL);
+
++#ifdef KERNEL_2_6_24_PLUS
++static void fuse_inode_init_once(struct kmem_cache *cachep, void *foo)
++#else
+ static void fuse_inode_init_once(void *foo, struct kmem_cache *cachep,
+ unsigned long flags)
++#endif
+ {
+ struct inode * inode = foo;
+
+
--
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