patch-2.3.43 linux/fs/sysv/file.c

• Lines: 66
• Date: Thu Feb 10 12:16:59 2000
• Orig file: v2.3.42/linux/fs/sysv/file.c
• Orig date: Fri Jan 7 19:13:22 2000

diff -u --recursive --new-file v2.3.42/linux/fs/sysv/file.c linux/fs/sysv/file.c
@@ -23,59 +23,18 @@
 #include <linux/locks.h>
 #include <linux/pagemap.h>
 
-#include <asm/uaccess.h>
-
-#define	NBUF	32
-
-#define MIN(a,b) (((a)<(b))?(a):(b))
-#define MAX(a,b) (((a)>(b))?(a):(b))
-
-/*
- * Write to a file (through the page cache).
- */
-static ssize_t
-sysv_file_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
-{
-	return generic_file_write(file, buf, count,
-				  ppos, block_write_partial_page);
-}
-
 /*
  * We have mostly NULLs here: the current defaults are OK for
  * the coh filesystem.
  */
 static struct file_operations sysv_file_operations = {
-	NULL,			/* lseek - default */
-	generic_file_read,	/* read */
-	sysv_file_write,	/* write */
-	NULL,			/* readdir - bad */
-	NULL,			/* poll - default */
-	NULL,			/* ioctl - default */
-	generic_file_mmap,	/* mmap */
-	NULL,			/* no special open is needed */
-	NULL,			/* flush */
-	NULL,			/* release */
-	sysv_sync_file,		/* fsync */
-	NULL,			/* fasync */
+	read:		generic_file_read,
+	write:		generic_file_write,
+	mmap:		generic_file_mmap,
+	fsync:		sysv_sync_file,
 };
 
 struct inode_operations sysv_file_inode_operations = {
-	&sysv_file_operations,	/* default file operations */
-	NULL,			/* create */
-	NULL,			/* lookup */
-	NULL,			/* link */
-	NULL,			/* unlink */
-	NULL,			/* symlink */
-	NULL,			/* mkdir */
-	NULL,			/* rmdir */
-	NULL,			/* mknod */
-	NULL,			/* rename */
-	NULL,			/* readlink */
-	NULL,			/* follow_link */
-	sysv_get_block,		/* get_block */
-	block_read_full_page,	/* readpage */
-	block_write_full_page,	/* writepage */
-	sysv_truncate,		/* truncate */
-	NULL,   		/* permission */
-	NULL			/* revalidate */
+	&sysv_file_operations,
+	truncate:	sysv_truncate,
 };