patch-1.3.57 linux/include/linux/fs.h

• Lines: 38
• Date: Thu Jan 11 11:57:28 1996
• Orig file: v1.3.56/linux/include/linux/fs.h
• Orig date: Thu Jan 4 21:54:59 1996

diff -u --recursive --new-file v1.3.56/linux/include/linux/fs.h linux/include/linux/fs.h
@@ -23,16 +23,22 @@
  * Some programs (notably those using select()) may have to be 
  * recompiled to take full advantage of the new limits..
  */
+
+/* Fixed constants first: */
 #undef NR_OPEN
 #define NR_OPEN 256
 
-#define NR_INODE 2048	/* this should be bigger than NR_FILE */
-#define NR_FILE 1024	/* this can well be larger on a larger system */
-#define NR_SUPER 32
+#define NR_SUPER 64
 #define NR_IHASH 131
 #define BLOCK_SIZE 1024
 #define BLOCK_SIZE_BITS 10
 
+/* And dynamically-tunable limits and defaults: */
+extern int max_inodes, nr_inodes;
+extern int max_files, nr_files;
+#define NR_INODE 2048	/* this should be bigger than NR_FILE */
+#define NR_FILE 1024	/* this can well be larger on a larger system */
+
 #define MAY_EXEC 1
 #define MAY_WRITE 2
 #define MAY_READ 4
@@ -483,10 +489,10 @@
 extern int nr_files;
 extern struct super_block super_blocks[NR_SUPER];
 
-extern int shrink_buffers(unsigned int priority, unsigned long limit);
 extern void refile_buffer(struct buffer_head * buf);
 extern void set_writetime(struct buffer_head * buf, int flag);
 extern void refill_freelist(int size);
+extern int try_to_free_buffer(struct buffer_head*, struct buffer_head**, int);
 
 extern struct buffer_head ** buffer_pages;
 extern int nr_buffers;