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Subject[PATCH][2.4.0t8] PROC_BLOCK_SIZE -> proc_fs.h

This patch moves PROC_BLOCK_SIZE definition to proc_fs.h so there is no
need to define it in every proc function which does boundary checking.
Feel free to convert any overlooked places to use PROC_BLOCK_SIZE...

--- linux-2.4.0-test8/drivers/scsi/scsi_proc.c Sat Jan 8 01:58:37 2000
+++ linux/drivers/scsi/scsi_proc.c Thu Sep 14 23:56:00 2000
@@ -87,10 +87,6 @@
return n;
}

-#define PROC_BLOCK_SIZE (3*1024) /* 4K page size, but our output routines
- * use some slack for overruns
- */
-
static int proc_scsi_write(struct file * file, const char * buf,
unsigned long count, void *data)
{
@@ -98,7 +94,7 @@
ssize_t ret = 0;
char * page;
char *start;
-
+
if (count > PROC_BLOCK_SIZE)
return -EOVERFLOW;

--- linux-2.4.0-test8/drivers/sound/soundcard.c Sat Aug 26 00:10:02 2000
+++ linux/drivers/sound/soundcard.c Thu Sep 14 23:53:33 2000
@@ -136,13 +136,6 @@
return 0;
}

-#ifndef MIN
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-#endif
-
-/* 4K page size but our output routines use some slack for overruns */
-#define PROC_BLOCK_SIZE (3*1024)
-
static ssize_t sound_read(struct file *file, char *buf, size_t count, loff_t *ppos)
{
int dev = MINOR(file->f_dentry->d_inode->i_rdev);
--- linux-2.4.0-test8/fs/proc/base.c Sat Aug 26 00:10:09 2000
+++ linux/fs/proc/base.c Thu Sep 14 23:51:52 2000
@@ -265,8 +265,6 @@
read: pid_maps_read,
};

-#define PROC_BLOCK_SIZE (3*1024) /* 4K page size but our output routines use some slack for overruns */
-
static ssize_t proc_info_read(struct file * file, char * buf,
size_t count, loff_t *ppos)
{
--- linux-2.4.0-test8/fs/proc/generic.c Sat Aug 26 00:10:09 2000
+++ linux/fs/proc/generic.c Thu Sep 14 23:49:56 2000
@@ -43,9 +43,6 @@
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif

-/* 4K page size but our output routines use some slack for overruns */
-#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024)
-
static ssize_t
proc_file_read(struct file * file, char * buf, size_t nbytes, loff_t *ppos)
{
--- linux-2.4.0-test8/include/linux/proc_fs.h Wed Sep 13 19:28:37 2000
+++ linux/include/linux/proc_fs.h Thu Sep 14 23:59:51 2000
@@ -74,6 +74,9 @@

#define PROC_INODE_PROPER(inode) ((inode)->i_ino & ~0xffff)

+/* 4K page size but our output routines use some slack for overruns */
+#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024)
+
#ifdef CONFIG_PROC_FS

extern struct proc_dir_entry proc_root;

--
Bartlomiej Zolnierkiewicz
<bkz@linux-ide.org>

-
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