X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fgfs2%2Fops_export.c;h=b9da62348a877303a777884c35f08c2083e640d5;hb=e35b921185728850c5db3b5d5b356178f931a157;hp=99ea5659bc2c58a5a41f482043ef25db8b6284ea;hpb=db1b39d8b860e3716620c225bc86e0ec41764e34;p=linux-2.6-omap-h63xx.git

diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c
index 99ea5659bc2..b9da62348a8 100644
--- a/fs/gfs2/ops_export.c
+++ b/fs/gfs2/ops_export.c
@@ -11,6 +11,7 @@
 #include <linux/spinlock.h>
 #include <linux/completion.h>
 #include <linux/buffer_head.h>
+#include <linux/exportfs.h>
 #include <linux/gfs2_ondisk.h>
 #include <linux/crc32.h>
 #include <linux/lm_interface.h>
@@ -30,40 +31,6 @@
 #define GFS2_LARGE_FH_SIZE 8
 #define GFS2_OLD_FH_SIZE 10
 
-static struct dentry *gfs2_decode_fh(struct super_block *sb,
-				     __u32 *p,
-				     int fh_len,
-				     int fh_type,
-				     int (*acceptable)(void *context,
-						       struct dentry *dentry),
-				     void *context)
-{
-	__be32 *fh = (__force __be32 *)p;
-	struct gfs2_inum_host inum, parent;
-
-	memset(&parent, 0, sizeof(struct gfs2_inum));
-
-	switch (fh_len) {
-	case GFS2_LARGE_FH_SIZE:
-	case GFS2_OLD_FH_SIZE:
-		parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
-		parent.no_formal_ino |= be32_to_cpu(fh[5]);
-		parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
-		parent.no_addr |= be32_to_cpu(fh[7]);
-	case GFS2_SMALL_FH_SIZE:
-		inum.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
-		inum.no_formal_ino |= be32_to_cpu(fh[1]);
-		inum.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
-		inum.no_addr |= be32_to_cpu(fh[3]);
-		break;
-	default:
-		return NULL;
-	}
-
-	return gfs2_export_ops.find_exported_dentry(sb, &inum, &parent,
-						    acceptable, context);
-}
-
 static int gfs2_encode_fh(struct dentry *dentry, __u32 *p, int *len,
 			  int connectable)
 {
@@ -188,10 +155,10 @@ static struct dentry *gfs2_get_parent(struct dentry *child)
 	return dentry;
 }
 
-static struct dentry *gfs2_get_dentry(struct super_block *sb, void *inum_obj)
+static struct dentry *gfs2_get_dentry(struct super_block *sb,
+		struct gfs2_inum_host *inum)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
-	struct gfs2_inum_host *inum = inum_obj;
 	struct gfs2_holder i_gh, ri_gh, rgd_gh;
 	struct gfs2_rgrpd *rgd;
 	struct inode *inode;
@@ -236,7 +203,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, void *inum_obj)
 
 	inode = gfs2_inode_lookup(sb, DT_UNKNOWN,
 					inum->no_addr,
-					0);
+					0, 0);
 	if (!inode)
 		goto fail;
 	if (IS_ERR(inode)) {
@@ -288,11 +255,50 @@ fail:
 	return ERR_PTR(error);
 }
 
-struct export_operations gfs2_export_ops = {
-	.decode_fh = gfs2_decode_fh,
+static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	struct gfs2_inum_host this;
+	__be32 *fh = (__force __be32 *)fid->raw;
+
+	switch (fh_type) {
+	case GFS2_SMALL_FH_SIZE:
+	case GFS2_LARGE_FH_SIZE:
+	case GFS2_OLD_FH_SIZE:
+		this.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
+		this.no_formal_ino |= be32_to_cpu(fh[1]);
+		this.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
+		this.no_addr |= be32_to_cpu(fh[3]);
+		return gfs2_get_dentry(sb, &this);
+	default:
+		return NULL;
+	}
+}
+
+static struct dentry *gfs2_fh_to_parent(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	struct gfs2_inum_host parent;
+	__be32 *fh = (__force __be32 *)fid->raw;
+
+	switch (fh_type) {
+	case GFS2_LARGE_FH_SIZE:
+	case GFS2_OLD_FH_SIZE:
+		parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
+		parent.no_formal_ino |= be32_to_cpu(fh[5]);
+		parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
+		parent.no_addr |= be32_to_cpu(fh[7]);
+		return gfs2_get_dentry(sb, &parent);
+	default:
+		return NULL;
+	}
+}
+
+const struct export_operations gfs2_export_ops = {
 	.encode_fh = gfs2_encode_fh,
+	.fh_to_dentry = gfs2_fh_to_dentry,
+	.fh_to_parent = gfs2_fh_to_parent,
 	.get_name = gfs2_get_name,
 	.get_parent = gfs2_get_parent,
-	.get_dentry = gfs2_get_dentry,
 };