Remove old lguest I/O infrrasructure.

[linux-2.6] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index 6fa20a84daa01e1afca5a01ec2ae01b9ec9bac9e..404e53bb212764f8a6ab7f5bf688c54d4d4c9d06 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2020,33 +2020,25 @@ static int shmem_match(struct inode *ino, void *vfh)
        return ino->i_ino == inum && fh[0] == ino->i_generation;
 }
 
-static struct dentry *shmem_get_dentry(struct super_block *sb, void *vfh)
+static struct dentry *shmem_fh_to_dentry(struct super_block *sb,
+               struct fid *fid, int fh_len, int fh_type)
 {
-       struct dentry *de = NULL;
        struct inode *inode;
-       __u32 *fh = vfh;
-       __u64 inum = fh[2];
-       inum = (inum << 32) | fh[1];
+       struct dentry *dentry = NULL;
+       u64 inum = fid->raw[2];
+       inum = (inum << 32) | fid->raw[1];
+
+       if (fh_len < 3)
+               return NULL;
 
-       inode = ilookup5(sb, (unsigned long)(inum+fh[0]), shmem_match, vfh);
+       inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]),
+                       shmem_match, fid->raw);
        if (inode) {
-               de = d_find_alias(inode);
+               dentry = d_find_alias(inode);
                iput(inode);
        }
 
-       return de? de: ERR_PTR(-ESTALE);
-}
-
-static struct dentry *shmem_decode_fh(struct super_block *sb, __u32 *fh,
-               int len, int type,
-               int (*acceptable)(void *context, struct dentry *de),
-               void *context)
-{
-       if (len < 3)
-               return ERR_PTR(-ESTALE);
-
-       return sb->s_export_op->find_exported_dentry(sb, fh, NULL, acceptable,
-                                                       context);
+       return dentry;
 }
 
 static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
@@ -2079,11 +2071,10 @@ static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
        return 1;
 }
 
-static struct export_operations shmem_export_ops = {
+static const struct export_operations shmem_export_ops = {
        .get_parent     = shmem_get_parent,
-       .get_dentry     = shmem_get_dentry,
        .encode_fh      = shmem_encode_fh,
-       .decode_fh      = shmem_decode_fh,
+       .fh_to_dentry   = shmem_fh_to_dentry,
 };
 
 static int shmem_parse_options(char *options, int *mode, uid_t *uid,
@@ -2543,11 +2534,8 @@ struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags)
        d_instantiate(dentry, inode);
        inode->i_size = size;
        inode->i_nlink = 0;     /* It is unlinked */
-       file->f_path.mnt = mntget(shm_mnt);
-       file->f_path.dentry = dentry;
-       file->f_mapping = inode->i_mapping;
-       file->f_op = &shmem_file_operations;
-       file->f_mode = FMODE_WRITE | FMODE_READ;
+       init_file(file, shm_mnt, dentry, FMODE_WRITE | FMODE_READ,
+                       &shmem_file_operations);
        return file;
 
 close_file: