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Fix compilation of fuse with 2.6.24
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10609 3c298f89-4303-0410-b956-a3cf2f4a3e73
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florian
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246
package/fuse/patches/300-2.6.24_fixes.patch
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246
package/fuse/patches/300-2.6.24_fixes.patch
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@ -0,0 +1,246 @@
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# HG changeset patch
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# User mszeredi
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# Date 1197485983 0
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# Node ID 5b8914cfe0fb7ccfb6e7f61512374d8541f2a193
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# Parent 81a85541800582144b7381e0b022c10245facc61
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Fix kernel module compile for 2.6.24
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--- a/kernel/dir.c Wed Dec 12 14:33:17 2007 +0000
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+++ b/kernel/dir.c Wed Dec 12 18:59:43 2007 +0000
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@@ -191,7 +191,7 @@ static int invalid_nodeid(u64 nodeid)
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return !nodeid || nodeid == FUSE_ROOT_ID;
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}
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-static struct dentry_operations fuse_dentry_operations = {
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+struct dentry_operations fuse_dentry_operations = {
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.d_revalidate = fuse_dentry_revalidate,
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};
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@@ -378,6 +378,7 @@ static int fuse_create_open(struct inode
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}
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fuse_put_request(fc, forget_req);
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d_instantiate(entry, inode);
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+ fuse_invalidate_attr(dir);
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fuse_change_timeout(entry, &outentry);
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file = lookup_instantiate_filp(nd, entry, generic_file_open);
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if (IS_ERR(file)) {
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@@ -619,6 +620,9 @@ static int fuse_rename(struct inode *old
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err = req->out.h.error;
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fuse_put_request(fc, req);
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if (!err) {
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+ /* ctime changes */
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+ fuse_invalidate_attr(oldent->d_inode);
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+
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fuse_invalidate_attr(olddir);
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if (olddir != newdir)
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fuse_invalidate_attr(newdir);
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--- a/kernel/fuse_i.h Wed Dec 12 14:33:17 2007 +0000
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+++ b/kernel/fuse_i.h Wed Dec 12 18:59:43 2007 +0000
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@@ -47,6 +47,9 @@
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
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# define KERNEL_2_6_23_PLUS
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+#endif
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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+# define KERNEL_2_6_24_PLUS
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#endif
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#if defined(__arm__) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
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@@ -647,3 +650,5 @@ int fuse_valid_type(int m);
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* Is task allowed to perform filesystem operation?
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*/
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int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task);
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+
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+extern struct dentry_operations fuse_dentry_operations;
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--- a/kernel/inode.c Wed Dec 12 14:33:17 2007 +0000
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+++ b/kernel/inode.c Wed Dec 12 18:59:43 2007 +0000
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@@ -520,21 +520,26 @@ static struct inode *get_root_inode(stru
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#ifdef HAVE_EXPORTFS_H
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#include <linux/exportfs.h>
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#endif
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-static struct dentry *fuse_get_dentry(struct super_block *sb, void *vobjp)
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+
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+struct fuse_inode_handle
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{
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- __u32 *objp = vobjp;
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- unsigned long nodeid = objp[0];
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- __u32 generation = objp[1];
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+ u64 nodeid;
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+ u32 generation;
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+};
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+
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+static struct dentry *fuse_get_dentry(struct super_block *sb,
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+ struct fuse_inode_handle *handle)
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+{
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struct inode *inode;
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struct dentry *entry;
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- if (nodeid == 0)
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+ if (handle->nodeid == 0)
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return ERR_PTR(-ESTALE);
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- inode = ilookup5(sb, nodeid, fuse_inode_eq, &nodeid);
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+ inode = ilookup5(sb, handle->nodeid, fuse_inode_eq, &handle->nodeid);
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if (!inode)
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return ERR_PTR(-ESTALE);
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- if (inode->i_generation != generation) {
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+ if (inode->i_generation != handle->generation) {
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iput(inode);
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return ERR_PTR(-ESTALE);
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}
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@@ -544,42 +549,130 @@ static struct dentry *fuse_get_dentry(st
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iput(inode);
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return ERR_PTR(-ENOMEM);
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}
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+ entry->d_op = &fuse_dentry_operations;
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return entry;
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}
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-static int fuse_encode_fh(struct dentry *dentry, __u32 *fh, int *max_len,
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- int connectable)
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+static int fuse_encode_fh(struct dentry *dentry, u32 *fh, int *max_len,
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+ int connectable)
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{
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struct inode *inode = dentry->d_inode;
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int len = *max_len;
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int type = 1;
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+ u64 nodeid;
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+ u32 generation;
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- if (len < 2 || (connectable && len < 4))
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- return 255;
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+ if (len < 3 || (connectable && len < 6))
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+ return 255;
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- len = 2;
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- fh[0] = get_fuse_inode(inode)->nodeid;
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- fh[1] = inode->i_generation;
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+ nodeid = get_fuse_inode(inode)->nodeid;
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+ generation = inode->i_generation;
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+
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+ len = 3;
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+ fh[0] = (u32)(nodeid >> 32);
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+ fh[1] = (u32)(nodeid & 0xffffffff);
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+ fh[2] = generation;
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+
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if (connectable && !S_ISDIR(inode->i_mode)) {
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struct inode *parent;
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spin_lock(&dentry->d_lock);
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parent = dentry->d_parent->d_inode;
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- fh[2] = get_fuse_inode(parent)->nodeid;
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- fh[3] = parent->i_generation;
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+ nodeid = get_fuse_inode(parent)->nodeid;
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+ generation = parent->i_generation;
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+
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+ fh[3] = (u32)(nodeid >> 32);
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+ fh[4] = (u32)(nodeid & 0xffffffff);
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+ fh[5] = generation;
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spin_unlock(&dentry->d_lock);
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- len = 4;
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+
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+ len = 6;
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type = 2;
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}
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+
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*max_len = len;
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return type;
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}
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+#ifdef KERNEL_2_6_24_PLUS
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+static struct dentry *fuse_fh_to_dentry(struct super_block *sb,
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+ struct fid *fid, int fh_len, int fh_type)
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+{
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+ struct fuse_inode_handle handle;
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+
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+ if (fh_len < 3 || fh_type > 2)
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+ return NULL;
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+
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+ handle.nodeid = (u64) fid->raw[0] << 32;
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+ handle.nodeid |= (u64) fid->raw[1];
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+ handle.generation = fid->raw[2];
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+ return fuse_get_dentry(sb, &handle);
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+}
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+
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+static struct dentry *fuse_fh_to_parent(struct super_block *sb,
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+ struct fid *fid, int fh_len, int fh_type)
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+{
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+ struct fuse_inode_handle parent;
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+
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+ if (fh_type != 2 || fh_len < 6)
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+ return NULL;
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+
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+ parent.nodeid = (u64) fid->raw[3] << 32;
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+ parent.nodeid |= (u64) fid->raw[4];
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+ parent.generation = fid->raw[5];
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+ return fuse_get_dentry(sb, &parent);
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+}
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+
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+
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+static const struct export_operations fuse_export_operations = {
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+ .fh_to_dentry = fuse_fh_to_dentry,
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+ .fh_to_parent = fuse_fh_to_parent,
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+ .encode_fh = fuse_encode_fh,
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+};
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+#else
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+static struct dentry *fuse_get_dentry_old(struct super_block *sb, void *objp)
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+{
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+ return fuse_get_dentry(sb, objp);
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+}
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+
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+static struct dentry *fuse_decode_fh(struct super_block *sb, u32 *fh,
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+ int fh_len, int fileid_type,
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+ int (*acceptable)(void *context, struct dentry *de),
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+ void *context)
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+{
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+ struct fuse_inode_handle handle;
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+ struct fuse_inode_handle parent;
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+
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+ if (fh_len < 3 || fileid_type > 2)
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+ return NULL;
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+
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+ if (fileid_type == 2) {
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+ if (fh_len < 6)
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+ return NULL;
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+
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+ parent.nodeid = (u64) fh[3] << 32;
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+ parent.nodeid |= (u64) fh[4];
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+ parent.generation = fh[5];
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+ } else {
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+ parent.nodeid = 0;
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+ parent.generation = 0;
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+ }
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+
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+ handle.nodeid = (u64) fh[0] << 32;
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+ handle.nodeid |= (u64) fh[1];
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+ handle.generation = fh[2];
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+
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+ return ret = fuse_export_operations.
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+ find_exported_dentry(sb, &handle, &parent, acceptable, context);
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+}
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+
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static struct export_operations fuse_export_operations = {
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- .get_dentry = fuse_get_dentry,
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+ .get_dentry = fuse_get_dentry_old,
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.encode_fh = fuse_encode_fh,
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+ .decode_fh = fuse_decode_fh,
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};
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+#endif
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#endif
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static struct super_operations fuse_super_operations = {
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@@ -845,8 +938,12 @@ static decl_subsys(fuse, NULL, NULL);
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static decl_subsys(fuse, NULL, NULL);
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static decl_subsys(connections, NULL, NULL);
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+#ifdef KERNEL_2_6_24_PLUS
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+static void fuse_inode_init_once(struct kmem_cache *cachep, void *foo)
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+#else
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static void fuse_inode_init_once(void *foo, struct kmem_cache *cachep,
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unsigned long flags)
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+#endif
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{
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struct inode * inode = foo;
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