OCFS2 has it's own 64bit-firendly filehandle format so we can't use
the generic helpers here. I'll add a struct for the types later.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6/fs/ocfs2/export.c
===================================================================
--- linux-2.6.orig/fs/ocfs2/export.c 2007-05-06 13:51:17.000000000 +0200
+++ linux-2.6/fs/ocfs2/export.c 2007-06-12 15:54:44.000000000 +0200
@@ -45,9 +45,9 @@ struct ocfs2_inode_handle
u32 ih_generation;
};
-static struct dentry *ocfs2_get_dentry(struct super_block *sb, void *vobjp)
+static struct dentry *ocfs2_get_dentry(struct super_block *sb,
+ struct ocfs2_inode_handle *handle)
{
- struct ocfs2_inode_handle *handle = vobjp;
struct inode *inode;
struct dentry *result;
@@ -200,54 +200,37 @@ bail:
return type;
}
-static struct dentry *ocfs2_decode_fh(struct super_block *sb, u32 *fh_in,
- int fh_len, int fileid_type,
- int (*acceptable)(void *context,
- struct dentry *de),
- void *context)
+static struct dentry *ocfs2_fh_to_dentry(struct super_block *sb,
+ struct fid *fid, int fh_len, int fh_type)
{
- struct ocfs2_inode_handle handle, parent;
- struct dentry *ret = NULL;
- __le32 *fh = (__force __le32 *) fh_in;
-
- mlog_entry("(0x%p, 0x%p, %d, %d, 0x%p, 0x%p)\n",
- sb, fh, fh_len, fileid_type, acceptable, context);
+ struct ocfs2_inode_handle handle;
- if (fh_len < 3 || fileid_type > 2)
- goto bail;
+ if (fh_len < 3 || fh_type > 2)
+ return NULL;
- if (fileid_type == 2) {
- if (fh_len < 6)
- goto bail;
-
- parent.ih_blkno = (u64)le32_to_cpu(fh[3]) << 32;
- parent.ih_blkno |= (u64)le32_to_cpu(fh[4]);
- parent.ih_generation = le32_to_cpu(fh[5]);
-
- mlog(0, "Decoding parent: blkno: %llu, generation: %u\n",
- (unsigned long long)parent.ih_blkno,
- parent.ih_generation);
- }
-
- handle.ih_blkno = (u64)le32_to_cpu(fh[0]) << 32;
- handle.ih_blkno |= (u64)le32_to_cpu(fh[1]);
- handle.ih_generation = le32_to_cpu(fh[2]);
+ handle.ih_blkno = (u64)le32_to_cpu(fid->raw[0]) << 32;
+ handle.ih_blkno |= (u64)le32_to_cpu(fid->raw[1]);
+ handle.ih_generation = le32_to_cpu(fid->raw[2]);
+ return ocfs2_get_dentry(sb, &handle);
+}
- mlog(0, "Encoding fh: blkno: %llu, generation: %u\n",
- (unsigned long long)handle.ih_blkno, handle.ih_generation);
+static struct dentry *ocfs2_fh_to_parent(struct super_block *sb,
+ struct fid *fid, int fh_len, int fh_type)
+{
+ struct ocfs2_inode_handle parent;
- ret = ocfs2_export_ops.find_exported_dentry(sb, &handle, &parent,
- acceptable, context);
+ if (fh_type != 2 || fh_len < 6)
+ return NULL;
-bail:
- mlog_exit_ptr(ret);
- return ret;
+ parent.ih_blkno = (u64)le32_to_cpu(fid->raw[3]) << 32;
+ parent.ih_blkno |= (u64)le32_to_cpu(fid->raw[4]);
+ parent.ih_generation = le32_to_cpu(fid->raw[5]);
+ return ocfs2_get_dentry(sb, &parent);
}
struct export_operations ocfs2_export_ops = {
- .decode_fh = ocfs2_decode_fh,
.encode_fh = ocfs2_encode_fh,
-
+ .fh_to_dentry = ocfs2_fh_to_dentry,
+ .fh_to_parent = ocfs2_fh_to_parent,
.get_parent = ocfs2_get_parent,
- .get_dentry = ocfs2_get_dentry,
};
--
-
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