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[Cluster-devel] cluster/gfs-kernel/src/gfs ops_export.c ops_ex ...



CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	fabbione sourceware org	2008-01-28 06:29:25

Modified files:
	gfs-kernel/src/gfs: ops_export.c ops_export.h ops_vm.c sys.c 

Log message:
	Update gfs to cope with 2.6.24 export op changes and other bits

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_export.c.diff?cvsroot=cluster&r1=1.12&r2=1.13
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_export.h.diff?cvsroot=cluster&r1=1.2&r2=1.3
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_vm.c.diff?cvsroot=cluster&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/sys.c.diff?cvsroot=cluster&r1=1.4&r2=1.5

--- cluster/gfs-kernel/src/gfs/ops_export.c	2007/07/23 16:41:46	1.12
+++ cluster/gfs-kernel/src/gfs/ops_export.c	2008/01/28 06:29:25	1.13
@@ -44,49 +44,6 @@
 };
 
 /**
- * gfs_decode_fh -
- * @param1: description
- * @param2: description
- * @param3: description
- *
- * Function description
- *
- * Returns: what is returned
- */
-
-struct dentry *
-gfs_decode_fh(struct super_block *sb, __u32 *fh, int fh_len, int fh_type,
-	      int (*acceptable)(void *context, struct dentry *dentry),
-	      void *context)
-{
-	struct inode_cookie this, parent;
-
-	atomic_inc(&get_v2sdp(sb)->sd_ops_export);
-
-	memset(&parent, 0, sizeof(struct inode_cookie));
-
-	switch (fh_type) {
-	case 6:
-		parent.gen_valid = TRUE;
-		parent.gen = gfs32_to_cpu(fh[5]);
-	case 5:
-		parent.formal_ino = ((uint64_t)gfs32_to_cpu(fh[3])) << 32;
-		parent.formal_ino |= (uint64_t)gfs32_to_cpu(fh[4]);
-	case 3:
-		this.gen_valid = TRUE;
-		this.gen = gfs32_to_cpu(fh[2]);
-		this.formal_ino = ((uint64_t)gfs32_to_cpu(fh[0])) << 32;
-		this.formal_ino |= (uint64_t)gfs32_to_cpu(fh[1]);
-		break;
-	default:
-		return NULL;
-	}
-
-	return gfs_export_ops.find_exported_dentry(sb, &this, &parent,
-						   acceptable, context);
-}
-
-/**
  * gfs_encode_fh -
  * @param1: description
  * @param2: description
@@ -290,10 +247,9 @@
  */
 
 struct dentry *
-gfs_get_dentry(struct super_block *sb, void *inump)
+gfs_get_dentry(struct super_block *sb, struct inode_cookie *cookie)
 {
 	struct gfs_sbd *sdp = get_v2sdp(sb);
-	struct inode_cookie *cookie = (struct inode_cookie *)inump;
 	struct gfs_inum inum;
 	struct gfs_holder i_gh, ri_gh, rgd_gh;
 	struct gfs_rgrpd *rgd;
@@ -406,11 +362,55 @@
 	return ERR_PTR(error);
 }
 
-struct export_operations gfs_export_ops = {
-	.decode_fh = gfs_decode_fh,
+static struct dentry *gfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	struct inode_cookie this;
+	__u32 *fh = fid->raw;
+
+	atomic_inc(&get_v2sdp(sb)->sd_ops_export);
+
+	switch (fh_type) {
+	case 6:
+	case 5:
+	case 3:
+		this.gen_valid = TRUE;
+		this.gen = gfs32_to_cpu(fh[2]);
+		this.formal_ino = ((uint64_t)gfs32_to_cpu(fh[0])) << 32;
+		this.formal_ino |= (uint64_t)gfs32_to_cpu(fh[1]);
+		return gfs_get_dentry(sb, &this);
+	default:
+		return NULL;
+	}
+}
+
+static struct dentry *gfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	struct inode_cookie parent;
+	__u32 *fh = fid->raw;
+
+	atomic_inc(&get_v2sdp(sb)->sd_ops_export);
+
+	switch (fh_type) {
+	case 6:
+		parent.gen_valid = TRUE;
+		parent.gen = gfs32_to_cpu(fh[5]);
+	case 5:
+		parent.formal_ino = ((uint64_t)gfs32_to_cpu(fh[3])) << 32;
+		parent.formal_ino |= (uint64_t)gfs32_to_cpu(fh[4]);
+	default:
+		return NULL;
+	}
+
+	return gfs_get_dentry(sb, &parent);
+}
+
+const struct export_operations gfs_export_ops = {
 	.encode_fh = gfs_encode_fh,
+	.fh_to_dentry = gfs_fh_to_dentry,
+	.fh_to_parent = gfs_fh_to_parent,
 	.get_name = gfs_get_name,
 	.get_parent = gfs_get_parent,
-	.get_dentry = gfs_get_dentry,
 };
 
--- cluster/gfs-kernel/src/gfs/ops_export.h	2006/07/10 23:22:34	1.2
+++ cluster/gfs-kernel/src/gfs/ops_export.h	2008/01/28 06:29:25	1.3
@@ -14,6 +14,6 @@
 #ifndef __OPS_EXPORT_DOT_H__
 #define __OPS_EXPORT_DOT_H__
 
-extern struct export_operations gfs_export_ops;
+extern const struct export_operations gfs_export_ops;
 
 #endif /* __OPS_EXPORT_DOT_H__ */
--- cluster/gfs-kernel/src/gfs/ops_vm.c	2007/07/23 16:41:46	1.8
+++ cluster/gfs-kernel/src/gfs/ops_vm.c	2008/01/28 06:29:25	1.9
@@ -94,9 +94,10 @@
  */
 
 static int
-alloc_page_backing(struct gfs_inode *ip, unsigned long index)
+alloc_page_backing(struct gfs_inode *ip, struct page *page)
 {
 	struct gfs_sbd *sdp = ip->i_sbd;
+	unsigned long index = page->index;
 	uint64_t lblock = index << (PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift);
 	unsigned int blocks = PAGE_CACHE_SIZE >> sdp->sd_sb.sb_bsize_shift;
 	struct gfs_alloc *al;
@@ -179,8 +180,7 @@
 				struct vm_fault *vmf)
 {
 	struct file *file = vma->vm_file;
-	struct gfs_file *gf = file->private_data;
-	struct gfs_inode *ip = get_v2ip(vma->vm_file->f_mapping->host);
+	struct gfs_inode *ip = get_v2ip(file->f_mapping->host);
 	struct gfs_holder i_gh;
 	int alloc_required;
 	int error;
--- cluster/gfs-kernel/src/gfs/sys.c	2007/06/06 15:11:54	1.4
+++ cluster/gfs-kernel/src/gfs/sys.c	2008/01/28 06:29:25	1.5
@@ -86,7 +86,6 @@
 };
 
 static struct kset gfs_kset = {
-	.kobj   = {.name = "gfs",},
 	.ktype  = &gfs_ktype,
 };
 
@@ -120,6 +119,7 @@
 {
 	gfs_sys_margs = NULL;
 	spin_lock_init(&gfs_sys_margs_lock);
+	kobject_set_name(&gfs_kset.kobj, "gfs");
 	kobj_set_kset_s(&gfs_kset, fs_subsys);
 	return kset_register(&gfs_kset);
 }


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