From: Michael Rothwell <rothwell@holly-springs.nc.us>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] Re: Linux 2.2.19pre1 : procfs api
Date: Fri, 15 Dec 2000 15:03:33 -0500 [thread overview]
Message-ID: <3A3A7915.5060006@holly-springs.nc.us> (raw)
In-Reply-To: <E1470sk-0001kp-00@the-village.bc.nu>
[-- Attachment #1: Type: text/plain, Size: 7124 bytes --]
Alan Cox wrote:
> Ok this is the first block of changes before we merge the VM stuff. This is
> mostly the bits left over from the 2.2.18 port that were deferred as too
> risky near the end of a prerelease set and some bug swats
Here's the procfs patch again... :) Because the 2.2.18 procfs api is
different than both 2.2.17 and 2.4.0, this patch makes it work like
2.4.0. It seems like the 2.2.18 changes were a half-way implementation
of the 2.4.0 api.
--- linux-2.2.18pre25-VIRGIN/include/linux/proc_fs.h Fri Dec 8 14:57:08 2000
+++ zinux/include/linux/proc_fs.h Fri Dec 8 23:21:26 2000
@@ -262,6 +262,12 @@
#define PROC_SUPER_MAGIC 0x9fa0
+typedef int (read_proc_t)(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+typedef int (write_proc_t)(struct file *file, const char *buffer,
+ unsigned long count, void *data);
+typedef int (get_info_t)(char *, char **, off_t, int, int);
+
/*
* This is not completely implemented yet. The idea is to
* create an in-memory tree (like the actual /proc filesystem
@@ -287,24 +293,17 @@
gid_t gid;
unsigned long size;
struct inode_operations * ops;
- int (*get_info)(char *, char **, off_t, int, int);
+ get_info_t *get_info;
void (*fill_inode)(struct inode *, int);
struct proc_dir_entry *next, *parent, *subdir;
void *data;
- int (*read_proc)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
- int (*write_proc)(struct file *file, const char *buffer,
- unsigned long count, void *data);
+ read_proc_t *read_proc;
+ write_proc_t *write_proc;
int (*readlink_proc)(struct proc_dir_entry *de, char *page);
unsigned int count; /* use count */
int deleted; /* delete flag */
};
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-typedef int (write_proc_t)(struct file *file, const char *buffer,
- unsigned long count, void *data);
-
extern int (* dispatch_scsi_info_ptr) (int ino, char *buffer, char **start,
off_t offset, int length, int inout);
@@ -433,15 +432,33 @@
/*
* generic.c
*/
+extern struct proc_dir_entry *proc_symlink(const char *,
+ struct proc_dir_entry *, const char *);
+extern struct proc_dir_entry *proc_mkdir(const char *,struct proc_dir_entry *);
+
struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
struct proc_dir_entry *parent);
void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
-#define create_proc_info_entry(n, m, b, g) \
- { \
- struct proc_dir_entry *r = create_proc_entry(n, m, b); \
- if (r) r->get_info = g; \
+extern inline struct proc_dir_entry *create_proc_read_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base,
+ read_proc_t *read_proc, void * data)
+{
+ struct proc_dir_entry *res=create_proc_entry(name,mode,base);
+ if (res) {
+ res->read_proc=read_proc;
+ res->data=data;
}
+ return res;
+}
+
+extern inline struct proc_dir_entry *create_proc_info_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base, get_info_t *get_info)
+{
+ struct proc_dir_entry *res=create_proc_entry(name,mode,base);
+ if (res) res->get_info=get_info;
+ return res;
+}
/*
* proc_tty.c
@@ -470,12 +487,18 @@
return NULL;
}
-#define create_proc_info_entry(n, m, b, g) \
- { \
- struct proc_dir_entry *r = create_proc_entry(n, m, b); \
- if (r) r->get_info = g; \
- }
-
+extern inline struct proc_dir_entry *create_proc_read_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base,
+ read_proc_t read_proc,
+ void * data) { return NULL; }
+extern inline struct proc_dir_entry *create_proc_info_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base, get_info_t *get_info)
+ { return NULL; }
+
+extern inline struct proc_dir_entry *proc_symlink(const char *name,
+ struct proc_dir_entry *parent,char *dest) {return NULL;}
+extern inline struct proc_dir_entry *proc_mkdir(const char *name,
+ struct proc_dir_entry *parent) {return NULL;}
extern inline void remove_proc_entry(const char *name, struct proc_dir_entry *parent) {};
@@ -485,7 +508,5 @@
extern struct proc_dir_entry proc_root;
#endif /* CONFIG_PROC_FS */
-
-#define proc_mkdir(buf, usbdir) create_proc_entry(buf, S_IFDIR, usbdir)
#endif /* _LINUX_PROC_FS_H */
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/generic.c zinux/fs/proc/generic.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/generic.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/generic.c Fri Dec 8 17:58:34 2000
@@ -246,6 +246,65 @@
return 0;
}
+struct proc_dir_entry *proc_symlink(const char *name,
+ struct proc_dir_entry *parent, const char *dest)
+{
+ struct proc_dir_entry *ent = NULL;
+ const char *fn = name;
+ int len;
+
+ if (!parent && xlate_proc_name(name, &parent, &fn) != 0)
+ goto out;
+ len = strlen(fn);
+
+ ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL);
+ if (!ent)
+ goto out;
+ memset(ent, 0, sizeof(struct proc_dir_entry));
+ memcpy(((char *) ent) + sizeof(*ent), fn, len + 1);
+ ent->name = ((char *) ent) + sizeof(*ent);
+ ent->namelen = len;
+ ent->nlink = 1;
+ ent->mode = S_IFLNK|S_IRUGO|S_IWUGO|S_IXUGO;
+ ent->data = kmalloc((ent->size=strlen(dest))+1, GFP_KERNEL);
+ if (!ent->data) {
+ kfree(ent);
+ goto out;
+ }
+ strcpy((char*)ent->data,dest);
+
+ proc_register(parent, ent);
+
+out:
+ return ent;
+}
+
+struct proc_dir_entry *proc_mkdir(const char *name, struct proc_dir_entry *parent)
+{
+ struct proc_dir_entry *ent = NULL;
+ const char *fn = name;
+ int len;
+
+ if (!parent && xlate_proc_name(name, &parent, &fn) != 0)
+ goto out;
+ len = strlen(fn);
+
+ ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL);
+ if (!ent)
+ goto out;
+ memset(ent, 0, sizeof(struct proc_dir_entry));
+ memcpy(((char *) ent) + sizeof(*ent), fn, len + 1);
+ ent->name = ((char *) ent) + sizeof(*ent);
+ ent->namelen = len;
+ ent->nlink = 2;
+ ent->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+
+ proc_register(parent, ent);
+
+out:
+ return ent;
+}
+
struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
struct proc_dir_entry *parent)
{
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/openpromfs.c zinux/fs/proc/openpromfs.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/openpromfs.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/openpromfs.c Fri Dec 8 15:08:59 2000
@@ -1,4 +1,4 @@
-/* $Id: openpromfs.c,v 1.33 1999/04/28 11:57:33 davem Exp $
+/* $Id: openpromfs.c,v 1.1.1.1 2000/12/08 20:08:59 zapman Exp $
* openpromfs.c: /proc/openprom handling routines
*
* Copyright (C) 1996-1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/procfs_syms.c zinux/fs/proc/procfs_syms.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/procfs_syms.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/procfs_syms.c Fri Dec 8 18:12:37 2000
@@ -19,6 +19,8 @@
EXPORT_SYMBOL(proc_register);
EXPORT_SYMBOL(proc_unregister);
EXPORT_SYMBOL(create_proc_entry);
+EXPORT_SYMBOL(proc_mkdir);
+EXPORT_SYMBOL(proc_symlink);
EXPORT_SYMBOL(remove_proc_entry);
EXPORT_SYMBOL(proc_root);
EXPORT_SYMBOL(proc_root_fs);
[-- Attachment #2: 2.2.19-procfs-patch --]
[-- Type: text/plain, Size: 6661 bytes --]
--- linux-2.2.18pre25-VIRGIN/include/linux/proc_fs.h Fri Dec 8 14:57:08 2000
+++ zinux/include/linux/proc_fs.h Fri Dec 8 23:21:26 2000
@@ -262,6 +262,12 @@
#define PROC_SUPER_MAGIC 0x9fa0
+typedef int (read_proc_t)(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+typedef int (write_proc_t)(struct file *file, const char *buffer,
+ unsigned long count, void *data);
+typedef int (get_info_t)(char *, char **, off_t, int, int);
+
/*
* This is not completely implemented yet. The idea is to
* create an in-memory tree (like the actual /proc filesystem
@@ -287,24 +293,17 @@
gid_t gid;
unsigned long size;
struct inode_operations * ops;
- int (*get_info)(char *, char **, off_t, int, int);
+ get_info_t *get_info;
void (*fill_inode)(struct inode *, int);
struct proc_dir_entry *next, *parent, *subdir;
void *data;
- int (*read_proc)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
- int (*write_proc)(struct file *file, const char *buffer,
- unsigned long count, void *data);
+ read_proc_t *read_proc;
+ write_proc_t *write_proc;
int (*readlink_proc)(struct proc_dir_entry *de, char *page);
unsigned int count; /* use count */
int deleted; /* delete flag */
};
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-typedef int (write_proc_t)(struct file *file, const char *buffer,
- unsigned long count, void *data);
-
extern int (* dispatch_scsi_info_ptr) (int ino, char *buffer, char **start,
off_t offset, int length, int inout);
@@ -433,15 +432,33 @@
/*
* generic.c
*/
+extern struct proc_dir_entry *proc_symlink(const char *,
+ struct proc_dir_entry *, const char *);
+extern struct proc_dir_entry *proc_mkdir(const char *,struct proc_dir_entry *);
+
struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
struct proc_dir_entry *parent);
void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
-#define create_proc_info_entry(n, m, b, g) \
- { \
- struct proc_dir_entry *r = create_proc_entry(n, m, b); \
- if (r) r->get_info = g; \
+extern inline struct proc_dir_entry *create_proc_read_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base,
+ read_proc_t *read_proc, void * data)
+{
+ struct proc_dir_entry *res=create_proc_entry(name,mode,base);
+ if (res) {
+ res->read_proc=read_proc;
+ res->data=data;
}
+ return res;
+}
+
+extern inline struct proc_dir_entry *create_proc_info_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base, get_info_t *get_info)
+{
+ struct proc_dir_entry *res=create_proc_entry(name,mode,base);
+ if (res) res->get_info=get_info;
+ return res;
+}
/*
* proc_tty.c
@@ -470,12 +487,18 @@
return NULL;
}
-#define create_proc_info_entry(n, m, b, g) \
- { \
- struct proc_dir_entry *r = create_proc_entry(n, m, b); \
- if (r) r->get_info = g; \
- }
-
+extern inline struct proc_dir_entry *create_proc_read_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base,
+ read_proc_t read_proc,
+ void * data) { return NULL; }
+extern inline struct proc_dir_entry *create_proc_info_entry(const char *name,
+ mode_t mode, struct proc_dir_entry *base, get_info_t *get_info)
+ { return NULL; }
+
+extern inline struct proc_dir_entry *proc_symlink(const char *name,
+ struct proc_dir_entry *parent,char *dest) {return NULL;}
+extern inline struct proc_dir_entry *proc_mkdir(const char *name,
+ struct proc_dir_entry *parent) {return NULL;}
extern inline void remove_proc_entry(const char *name, struct proc_dir_entry *parent) {};
@@ -485,7 +508,5 @@
extern struct proc_dir_entry proc_root;
#endif /* CONFIG_PROC_FS */
-
-#define proc_mkdir(buf, usbdir) create_proc_entry(buf, S_IFDIR, usbdir)
#endif /* _LINUX_PROC_FS_H */
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/generic.c zinux/fs/proc/generic.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/generic.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/generic.c Fri Dec 8 17:58:34 2000
@@ -246,6 +246,65 @@
return 0;
}
+struct proc_dir_entry *proc_symlink(const char *name,
+ struct proc_dir_entry *parent, const char *dest)
+{
+ struct proc_dir_entry *ent = NULL;
+ const char *fn = name;
+ int len;
+
+ if (!parent && xlate_proc_name(name, &parent, &fn) != 0)
+ goto out;
+ len = strlen(fn);
+
+ ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL);
+ if (!ent)
+ goto out;
+ memset(ent, 0, sizeof(struct proc_dir_entry));
+ memcpy(((char *) ent) + sizeof(*ent), fn, len + 1);
+ ent->name = ((char *) ent) + sizeof(*ent);
+ ent->namelen = len;
+ ent->nlink = 1;
+ ent->mode = S_IFLNK|S_IRUGO|S_IWUGO|S_IXUGO;
+ ent->data = kmalloc((ent->size=strlen(dest))+1, GFP_KERNEL);
+ if (!ent->data) {
+ kfree(ent);
+ goto out;
+ }
+ strcpy((char*)ent->data,dest);
+
+ proc_register(parent, ent);
+
+out:
+ return ent;
+}
+
+struct proc_dir_entry *proc_mkdir(const char *name, struct proc_dir_entry *parent)
+{
+ struct proc_dir_entry *ent = NULL;
+ const char *fn = name;
+ int len;
+
+ if (!parent && xlate_proc_name(name, &parent, &fn) != 0)
+ goto out;
+ len = strlen(fn);
+
+ ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL);
+ if (!ent)
+ goto out;
+ memset(ent, 0, sizeof(struct proc_dir_entry));
+ memcpy(((char *) ent) + sizeof(*ent), fn, len + 1);
+ ent->name = ((char *) ent) + sizeof(*ent);
+ ent->namelen = len;
+ ent->nlink = 2;
+ ent->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+
+ proc_register(parent, ent);
+
+out:
+ return ent;
+}
+
struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
struct proc_dir_entry *parent)
{
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/openpromfs.c zinux/fs/proc/openpromfs.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/openpromfs.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/openpromfs.c Fri Dec 8 15:08:59 2000
@@ -1,4 +1,4 @@
-/* $Id: openpromfs.c,v 1.33 1999/04/28 11:57:33 davem Exp $
+/* $Id: openpromfs.c,v 1.1.1.1 2000/12/08 20:08:59 zapman Exp $
* openpromfs.c: /proc/openprom handling routines
*
* Copyright (C) 1996-1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
diff -r -u -x CVS -x *.o linux-2.2.18pre25-VIRGIN/fs/proc/procfs_syms.c zinux/fs/proc/procfs_syms.c
--- linux-2.2.18pre25-VIRGIN/fs/proc/procfs_syms.c Fri Dec 8 14:57:07 2000
+++ zinux/fs/proc/procfs_syms.c Fri Dec 8 18:12:37 2000
@@ -19,6 +19,8 @@
EXPORT_SYMBOL(proc_register);
EXPORT_SYMBOL(proc_unregister);
EXPORT_SYMBOL(create_proc_entry);
+EXPORT_SYMBOL(proc_mkdir);
+EXPORT_SYMBOL(proc_symlink);
EXPORT_SYMBOL(remove_proc_entry);
EXPORT_SYMBOL(proc_root);
EXPORT_SYMBOL(proc_root_fs);
next prev parent reply other threads:[~2000-12-15 20:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-15 19:51 Linux 2.2.19pre1 Alan Cox
2000-12-15 20:03 ` Michael Rothwell [this message]
2000-12-16 7:05 ` [PATCH] Re: Linux 2.2.19pre1 : procfs api Willy Tarreau
2000-12-16 14:34 ` Michael Rothwell
2000-12-15 20:05 ` [PATCH] Re: Linux 2.2.19pre1 64-bit printk Michael Rothwell
2000-12-15 20:56 ` Linux 2.2.19pre1 Tom Rini
2000-12-16 14:13 ` Andrea Arcangeli
2000-12-16 16:19 ` Alan Cox
2000-12-16 16:26 ` Andrea Arcangeli
2000-12-16 21:40 ` Andre Hedrick
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3A3A7915.5060006@holly-springs.nc.us \
--to=rothwell@holly-springs.nc.us \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).