Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/Kconfig | 1 -
fs/tftp.c | 97 +++++++++++++++++++++++++++++++-----------------------
2 files changed, 55 insertions(+), 43 deletions(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index 4d0e2787af..4cde73e7e8 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -40,7 +40,6 @@ config FS_DEVFS
config FS_TFTP
bool
- select FS_LEGACY
prompt "tftp support"
depends on NET
diff --git a/fs/tftp.c b/fs/tftp.c
index 847921aa56..cc30c5eb8f 100644
--- a/fs/tftp.c
+++ b/fs/tftp.c
@@ -89,26 +89,6 @@ struct tftp_priv {
IPaddr_t server;
};
-static int tftp_create(struct device_d *dev, const char *pathname, mode_t mode)
-{
- return 0;
-}
-
-static int tftp_unlink(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
-static int tftp_mkdir(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
-static int tftp_rmdir(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
static int tftp_truncate(struct device_d *dev, FILE *f, ulong size)
{
return 0;
@@ -466,6 +446,9 @@ out:
static int tftp_open(struct device_d *dev, FILE *file, const char *filename)
{
struct file_priv *priv;
+ struct fs_device_d *fsdev = dev_to_fs_device(dev);
+
+ filename = dpath(file->dentry, fsdev->vfsmount.mnt_root);
priv = tftp_do_open(dev, file->flags, filename);
if (IS_ERR(priv))
@@ -618,40 +601,76 @@ out_free:
return -ENOSYS;
}
-static DIR* tftp_opendir(struct device_d *dev, const char *pathname)
+static const struct inode_operations tftp_file_inode_operations;
+static const struct inode_operations tftp_dir_inode_operations;
+static const struct file_operations tftp_file_operations;
+
+static struct inode *tftp_get_inode(struct super_block *sb, const struct inode *dir,
+ umode_t mode)
{
- /* not implemented in tftp protocol */
- return NULL;
+ struct inode *inode = new_inode(sb);
+
+ if (!inode)
+ return NULL;
+
+ inode->i_ino = get_next_ino();
+ inode->i_mode = mode;
+ inode->i_size = FILE_SIZE_STREAM;
+
+ switch (mode & S_IFMT) {
+ default:
+ return NULL;
+ case S_IFREG:
+ inode->i_op = &tftp_file_inode_operations;
+ inode->i_fop = &tftp_file_operations;
+ break;
+ case S_IFDIR:
+ inode->i_op = &tftp_dir_inode_operations;
+ inode->i_fop = &simple_dir_operations;
+ inc_nlink(inode);
+ break;
+ }
+
+ return inode;
}
-static int tftp_stat(struct device_d *dev, const char *filename, struct stat *s)
+static struct dentry *tftp_lookup(struct inode *dir, struct dentry *dentry,
+ unsigned int flags)
{
- struct file_priv *priv;
-
- priv = tftp_do_open(dev, O_RDONLY, filename);
- if (IS_ERR(priv))
- return PTR_ERR(priv);
+ struct inode *inode;
- s->st_mode = S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO;
- if (priv->filesize)
- s->st_size = priv->filesize;
- else
- s->st_size = FILESIZE_MAX;
+ inode = tftp_get_inode(dir->i_sb, dir, S_IFREG | S_IRWXUGO);
+ if (!inode)
+ return ERR_PTR(-ENOSPC);
- tftp_do_close(priv);
+ d_add(dentry, inode);
- return 0;
+ return NULL;
}
+static const struct inode_operations tftp_dir_inode_operations =
+{
+ .lookup = tftp_lookup,
+};
+
+static const struct super_operations tftp_ops;
+
static int tftp_probe(struct device_d *dev)
{
struct fs_device_d *fsdev = dev_to_fs_device(dev);
struct tftp_priv *priv = xzalloc(sizeof(struct tftp_priv));
+ struct super_block *sb = &fsdev->sb;
+ struct inode *inode;
dev->priv = priv;
priv->server = resolv(fsdev->backingstore);
+ sb->s_op = &tftp_ops;
+
+ inode = tftp_get_inode(sb, NULL, S_IFDIR);
+ sb->s_root = d_make_root(inode);
+
return 0;
}
@@ -667,12 +686,6 @@ static struct fs_driver_d tftp_driver = {
.close = tftp_close,
.read = tftp_read,
.lseek = tftp_lseek,
- .opendir = tftp_opendir,
- .stat = tftp_stat,
- .create = tftp_create,
- .unlink = tftp_unlink,
- .mkdir = tftp_mkdir,
- .rmdir = tftp_rmdir,
.write = tftp_write,
.truncate = tftp_truncate,
.flags = 0,
--
2.17.1
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