#ifndef __PARAMS_TREE_H__
#define __PARAMS_TREE_H__
-#include <libcfs/libcfs.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/rwsem.h>
+#include <linux/spinlock.h>
-#undef LPROCFS
-#if (defined(__KERNEL__) && defined(CONFIG_PROC_FS))
+#ifdef CONFIG_PROC_FS
# define LPROCFS
-#endif
+#endif /* CONFIG_PROC_FS */
#ifdef LPROCFS
-typedef struct file cfs_param_file_t;
-typedef struct inode cfs_inode_t;
-typedef struct proc_inode cfs_proc_inode_t;
-typedef struct seq_file cfs_seq_file_t;
-typedef struct seq_operations cfs_seq_ops_t;
-typedef struct file_operations cfs_param_file_ops_t;
-typedef struct proc_dir_entry cfs_param_dentry_t;
-typedef struct poll_table_struct cfs_poll_table_t;
-#define CFS_PARAM_MODULE THIS_MODULE
-#define CFS_PDE(value) PDE(value)
-#define cfs_file_private(file) (file->private_data)
-#define cfs_dentry_data(dentry) (dentry->data)
-#define cfs_proc_inode_pde(proc_inode) (proc_inode->pde)
-#define cfs_proc_inode(proc_inode) (proc_inode->vfs_inode)
-#define cfs_seq_read_common seq_read
-#define cfs_seq_lseek_common seq_lseek
-#define cfs_seq_private(seq) (seq->private)
-#define cfs_seq_printf(seq, format, ...) seq_printf(seq, format, \
- ## __VA_ARGS__)
-#define cfs_seq_release(inode, file) seq_release(inode, file)
-#define cfs_seq_puts(seq, s) seq_puts(seq, s)
-#define cfs_seq_putc(seq, s) seq_putc(seq, s)
-#define cfs_seq_read(file, buf, count, ppos, rc) (rc = seq_read(file, buf, \
- count, ppos))
-#define cfs_seq_open(file, ops, rc) (rc = seq_open(file, ops))
-
+# ifndef HAVE_ONLY_PROCFS_SEQ
/* in lprocfs_stat.c, to protect the private data for proc entries */
extern struct rw_semaphore _lprocfs_lock;
-static inline
-int LPROCFS_ENTRY_CHECK(struct proc_dir_entry *dp)
+static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
{
+ struct proc_dir_entry *dp = PDE(inode);
int deleted = 0;
spin_lock(&(dp)->pde_unload_lock);
return -ENODEV;
return 0;
}
-#define LPROCFS_SRCH_ENTRY() \
-do { \
- down_read(&_lprocfs_lock); \
-} while(0)
-
-#define LPROCFS_SRCH_EXIT() \
-do { \
- up_read(&_lprocfs_lock); \
-} while(0)
-
-#define LPROCFS_WRITE_ENTRY() \
-do { \
- down_write(&_lprocfs_lock); \
-} while(0)
-
-#define LPROCFS_WRITE_EXIT() \
-do { \
- up_write(&_lprocfs_lock); \
-} while(0)
-#else /* !LPROCFS */
-typedef struct cfs_params_file {
- void *param_private;
- loff_t param_pos;
- unsigned int param_flags;
-} cfs_param_file_t;
+# define LPROCFS_SRCH_ENTRY() \
+ do { \
+ down_read(&_lprocfs_lock); \
+ } while (0)
-typedef struct cfs_param_inode {
- void *param_private;
-} cfs_inode_t;
+# define LPROCFS_SRCH_EXIT() \
+ do { \
+ up_read(&_lprocfs_lock); \
+ } while (0)
-typedef struct cfs_param_dentry {
- void *param_data;
-} cfs_param_dentry_t;
+# define LPROCFS_WRITE_ENTRY() \
+ do { \
+ down_write(&_lprocfs_lock); \
+ } while (0)
-typedef struct cfs_proc_inode {
- cfs_param_dentry_t *param_pde;
- cfs_inode_t param_inode;
-} cfs_proc_inode_t;
+# define LPROCFS_WRITE_EXIT() \
+ do { \
+ up_write(&_lprocfs_lock); \
+ } while (0)
-struct cfs_seq_operations;
-typedef struct cfs_seq_file {
- char *buf;
- size_t size;
- size_t from;
- size_t count;
- loff_t index;
- loff_t version;
- struct mutex lock;
- struct cfs_seq_operations *op;
- void *private;
-} cfs_seq_file_t;
+# define PDE_DATA(inode) (PDE(inode)->data)
-typedef struct cfs_seq_operations {
- void *(*start) (cfs_seq_file_t *m, loff_t *pos);
- void (*stop) (cfs_seq_file_t *m, void *v);
- void *(*next) (cfs_seq_file_t *m, void *v, loff_t *pos);
- int (*show) (cfs_seq_file_t *m, void *v);
-} cfs_seq_ops_t;
+# else /* HAVE_ONLY_PROCFS_SEQ */
-typedef void *cfs_poll_table_t;
-
-typedef struct cfs_param_file_ops{
- struct module *owner;
- int (*open) (cfs_inode_t *, struct file *);
- loff_t (*llseek)(struct file *, loff_t, int);
- int (*release) (cfs_inode_t *, cfs_param_file_t *);
- unsigned int (*poll) (struct file *, cfs_poll_table_t *);
- ssize_t (*write) (struct file *, const char *, size_t, loff_t *);
- ssize_t (*read)(struct file *, char *, size_t, loff_t *);
-} cfs_param_file_ops_t;
-typedef cfs_param_file_ops_t *cfs_lproc_filep_t;
-
-static inline cfs_proc_inode_t *FAKE_PROC_I(const cfs_inode_t *inode)
+static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
{
- return container_of(inode, cfs_proc_inode_t, param_inode);
-}
-
-static inline cfs_param_dentry_t *FAKE_PDE(cfs_inode_t *inode)
-{
- return FAKE_PROC_I(inode)->param_pde;
+ return 0;
}
-#define CFS_PARAM_MODULE NULL
-#define CFS_PDE(value) FAKE_PDE(value)
-#define cfs_file_private(file) (file->param_private)
-#define cfs_dentry_data(dentry) (dentry->param_data)
-#define cfs_proc_inode(proc_inode) (proc_inode->param_inode)
-#define cfs_proc_inode_pde(proc_inode) (proc_inode->param_pde)
-#define cfs_seq_read_common NULL
-#define cfs_seq_lseek_common NULL
-#define cfs_seq_private(seq) (seq->private)
-#define cfs_seq_read(file, buf, count, ppos, rc) do {} while(0)
-#define cfs_seq_open(file, ops, rc) \
-do { \
- cfs_seq_file_t *p = cfs_file_private(file); \
- if (!p) { \
- LIBCFS_ALLOC(p, sizeof(*p)); \
- if (!p) { \
- rc = -ENOMEM; \
- break; \
- } \
- cfs_file_private(file) = p; \
- } \
- memset(p, 0, sizeof(*p)); \
- p->op = ops; \
- rc = 0; \
-} while(0)
-
-static inline
-int LPROCFS_ENTRY_CHECK(cfs_param_dentry_t *dp)
-{
- return 0;
-}
-#define LPROCFS_WRITE_ENTRY() do {} while(0)
-#define LPROCFS_WRITE_EXIT() do {} while(0)
+#define LPROCFS_WRITE_ENTRY() do {} while(0)
+#define LPROCFS_WRITE_EXIT() do {} while(0)
+# endif /* !HAVE_ONLY_PROCFS_SEQ */
#endif /* LPROCFS */
-
-/* XXX: params_tree APIs */
-
#endif /* __PARAMS_TREE_H__ */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff