forked from luck/tmp_suning_uos_patched
libfs: get exports to definitions of objects being exported...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
parent
cbe9c08524
commit
12f3887222
69
fs/libfs.c
69
fs/libfs.c
@ -31,6 +31,7 @@ int simple_getattr(struct vfsmount *mnt, struct dentry *dentry,
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stat->blocks = inode->i_mapping->nrpages << (PAGE_CACHE_SHIFT - 9);
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return 0;
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}
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EXPORT_SYMBOL(simple_getattr);
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int simple_statfs(struct dentry *dentry, struct kstatfs *buf)
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{
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@ -39,6 +40,7 @@ int simple_statfs(struct dentry *dentry, struct kstatfs *buf)
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buf->f_namelen = NAME_MAX;
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return 0;
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}
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EXPORT_SYMBOL(simple_statfs);
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/*
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* Retaining negative dentries for an in-memory filesystem just wastes
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@ -66,6 +68,7 @@ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, unsigned
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d_add(dentry, NULL);
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return NULL;
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}
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EXPORT_SYMBOL(simple_lookup);
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int dcache_dir_open(struct inode *inode, struct file *file)
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{
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@ -75,12 +78,14 @@ int dcache_dir_open(struct inode *inode, struct file *file)
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return file->private_data ? 0 : -ENOMEM;
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}
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EXPORT_SYMBOL(dcache_dir_open);
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int dcache_dir_close(struct inode *inode, struct file *file)
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{
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dput(file->private_data);
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return 0;
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}
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EXPORT_SYMBOL(dcache_dir_close);
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loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
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{
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@ -123,6 +128,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
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mutex_unlock(&dentry->d_inode->i_mutex);
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return offset;
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}
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EXPORT_SYMBOL(dcache_dir_lseek);
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/* Relationship between i_mode and the DT_xxx types */
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static inline unsigned char dt_type(struct inode *inode)
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@ -172,11 +178,13 @@ int dcache_readdir(struct file *file, struct dir_context *ctx)
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spin_unlock(&dentry->d_lock);
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return 0;
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}
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EXPORT_SYMBOL(dcache_readdir);
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ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
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{
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return -EISDIR;
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}
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EXPORT_SYMBOL(generic_read_dir);
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const struct file_operations simple_dir_operations = {
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.open = dcache_dir_open,
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@ -186,10 +194,12 @@ const struct file_operations simple_dir_operations = {
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.iterate = dcache_readdir,
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.fsync = noop_fsync,
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};
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EXPORT_SYMBOL(simple_dir_operations);
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const struct inode_operations simple_dir_inode_operations = {
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.lookup = simple_lookup,
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};
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EXPORT_SYMBOL(simple_dir_inode_operations);
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static const struct super_operations simple_super_operations = {
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.statfs = simple_statfs,
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@ -244,6 +254,7 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
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deactivate_locked_super(s);
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return ERR_PTR(-ENOMEM);
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}
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EXPORT_SYMBOL(mount_pseudo);
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int simple_open(struct inode *inode, struct file *file)
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{
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@ -251,6 +262,7 @@ int simple_open(struct inode *inode, struct file *file)
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file->private_data = inode->i_private;
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return 0;
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}
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EXPORT_SYMBOL(simple_open);
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int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
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{
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@ -263,6 +275,7 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den
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d_instantiate(dentry, inode);
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return 0;
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}
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EXPORT_SYMBOL(simple_link);
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int simple_empty(struct dentry *dentry)
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{
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@ -283,6 +296,7 @@ int simple_empty(struct dentry *dentry)
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spin_unlock(&dentry->d_lock);
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return ret;
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}
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EXPORT_SYMBOL(simple_empty);
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int simple_unlink(struct inode *dir, struct dentry *dentry)
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{
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@ -293,6 +307,7 @@ int simple_unlink(struct inode *dir, struct dentry *dentry)
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dput(dentry);
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return 0;
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}
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EXPORT_SYMBOL(simple_unlink);
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int simple_rmdir(struct inode *dir, struct dentry *dentry)
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{
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@ -304,6 +319,7 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry)
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drop_nlink(dir);
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return 0;
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}
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EXPORT_SYMBOL(simple_rmdir);
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int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
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struct inode *new_dir, struct dentry *new_dentry)
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@ -330,6 +346,7 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
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return 0;
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}
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EXPORT_SYMBOL(simple_rename);
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/**
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* simple_setattr - setattr for simple filesystem
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@ -370,6 +387,7 @@ int simple_readpage(struct file *file, struct page *page)
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unlock_page(page);
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return 0;
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}
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EXPORT_SYMBOL(simple_readpage);
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int simple_write_begin(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len, unsigned flags,
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@ -393,6 +411,7 @@ int simple_write_begin(struct file *file, struct address_space *mapping,
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}
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return 0;
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}
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EXPORT_SYMBOL(simple_write_begin);
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/**
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* simple_write_end - .write_end helper for non-block-device FSes
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@ -444,6 +463,7 @@ int simple_write_end(struct file *file, struct address_space *mapping,
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return copied;
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}
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EXPORT_SYMBOL(simple_write_end);
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/*
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* the inodes created here are not hashed. If you use iunique to generate
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@ -512,6 +532,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic,
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dput(root);
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return -ENOMEM;
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}
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EXPORT_SYMBOL(simple_fill_super);
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static DEFINE_SPINLOCK(pin_fs_lock);
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@ -534,6 +555,7 @@ int simple_pin_fs(struct file_system_type *type, struct vfsmount **mount, int *c
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mntput(mnt);
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return 0;
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}
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EXPORT_SYMBOL(simple_pin_fs);
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void simple_release_fs(struct vfsmount **mount, int *count)
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{
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@ -545,6 +567,7 @@ void simple_release_fs(struct vfsmount **mount, int *count)
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spin_unlock(&pin_fs_lock);
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mntput(mnt);
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}
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EXPORT_SYMBOL(simple_release_fs);
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/**
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* simple_read_from_buffer - copy data from the buffer to user space
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@ -579,6 +602,7 @@ ssize_t simple_read_from_buffer(void __user *to, size_t count, loff_t *ppos,
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*ppos = pos + count;
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return count;
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}
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EXPORT_SYMBOL(simple_read_from_buffer);
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/**
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* simple_write_to_buffer - copy data from user space to the buffer
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@ -613,6 +637,7 @@ ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
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*ppos = pos + count;
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return count;
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}
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EXPORT_SYMBOL(simple_write_to_buffer);
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/**
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* memory_read_from_buffer - copy data from the buffer
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@ -644,6 +669,7 @@ ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
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return count;
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}
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EXPORT_SYMBOL(memory_read_from_buffer);
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/*
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* Transaction based IO.
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@ -665,6 +691,7 @@ void simple_transaction_set(struct file *file, size_t n)
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smp_mb();
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ar->size = n;
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}
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EXPORT_SYMBOL(simple_transaction_set);
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char *simple_transaction_get(struct file *file, const char __user *buf, size_t size)
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{
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@ -696,6 +723,7 @@ char *simple_transaction_get(struct file *file, const char __user *buf, size_t s
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return ar->data;
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}
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EXPORT_SYMBOL(simple_transaction_get);
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ssize_t simple_transaction_read(struct file *file, char __user *buf, size_t size, loff_t *pos)
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{
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@ -705,12 +733,14 @@ ssize_t simple_transaction_read(struct file *file, char __user *buf, size_t size
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return 0;
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return simple_read_from_buffer(buf, size, pos, ar->data, ar->size);
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}
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EXPORT_SYMBOL(simple_transaction_read);
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int simple_transaction_release(struct inode *inode, struct file *file)
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{
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free_page((unsigned long)file->private_data);
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return 0;
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}
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EXPORT_SYMBOL(simple_transaction_release);
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/* Simple attribute files */
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@ -746,12 +776,14 @@ int simple_attr_open(struct inode *inode, struct file *file,
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return nonseekable_open(inode, file);
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}
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EXPORT_SYMBOL_GPL(simple_attr_open);
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int simple_attr_release(struct inode *inode, struct file *file)
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{
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kfree(file->private_data);
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return 0;
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}
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EXPORT_SYMBOL_GPL(simple_attr_release); /* GPL-only? This? Really? */
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/* read from the buffer that is filled with the get function */
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ssize_t simple_attr_read(struct file *file, char __user *buf,
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@ -787,6 +819,7 @@ ssize_t simple_attr_read(struct file *file, char __user *buf,
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mutex_unlock(&attr->mutex);
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return ret;
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}
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EXPORT_SYMBOL_GPL(simple_attr_read);
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/* interpret the buffer as a number to call the set function with */
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ssize_t simple_attr_write(struct file *file, const char __user *buf,
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@ -819,6 +852,7 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
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mutex_unlock(&attr->mutex);
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return ret;
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}
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EXPORT_SYMBOL_GPL(simple_attr_write);
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/**
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* generic_fh_to_dentry - generic helper for the fh_to_dentry export operation
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@ -957,39 +991,4 @@ int noop_fsync(struct file *file, loff_t start, loff_t end, int datasync)
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{
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return 0;
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}
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EXPORT_SYMBOL(dcache_dir_close);
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EXPORT_SYMBOL(dcache_dir_lseek);
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EXPORT_SYMBOL(dcache_dir_open);
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EXPORT_SYMBOL(dcache_readdir);
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EXPORT_SYMBOL(generic_read_dir);
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EXPORT_SYMBOL(mount_pseudo);
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EXPORT_SYMBOL(simple_write_begin);
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EXPORT_SYMBOL(simple_write_end);
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EXPORT_SYMBOL(simple_dir_inode_operations);
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EXPORT_SYMBOL(simple_dir_operations);
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EXPORT_SYMBOL(simple_empty);
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EXPORT_SYMBOL(simple_fill_super);
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EXPORT_SYMBOL(simple_getattr);
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EXPORT_SYMBOL(simple_open);
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EXPORT_SYMBOL(simple_link);
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EXPORT_SYMBOL(simple_lookup);
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EXPORT_SYMBOL(simple_pin_fs);
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EXPORT_SYMBOL(simple_readpage);
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EXPORT_SYMBOL(simple_release_fs);
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EXPORT_SYMBOL(simple_rename);
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EXPORT_SYMBOL(simple_rmdir);
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EXPORT_SYMBOL(simple_statfs);
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EXPORT_SYMBOL(noop_fsync);
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EXPORT_SYMBOL(simple_unlink);
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EXPORT_SYMBOL(simple_read_from_buffer);
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EXPORT_SYMBOL(simple_write_to_buffer);
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EXPORT_SYMBOL(memory_read_from_buffer);
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EXPORT_SYMBOL(simple_transaction_set);
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EXPORT_SYMBOL(simple_transaction_get);
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EXPORT_SYMBOL(simple_transaction_read);
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EXPORT_SYMBOL(simple_transaction_release);
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EXPORT_SYMBOL_GPL(simple_attr_open);
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EXPORT_SYMBOL_GPL(simple_attr_release);
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EXPORT_SYMBOL_GPL(simple_attr_read);
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EXPORT_SYMBOL_GPL(simple_attr_write);
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