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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/cachefiles/proc.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/cachefiles/proc.c')
-rw-r--r--ANDROID_3.4.5/fs/cachefiles/proc.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/ANDROID_3.4.5/fs/cachefiles/proc.c b/ANDROID_3.4.5/fs/cachefiles/proc.c
deleted file mode 100644
index eccd3394..00000000
--- a/ANDROID_3.4.5/fs/cachefiles/proc.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* CacheFiles statistics
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include "internal.h"
-
-atomic_t cachefiles_lookup_histogram[HZ];
-atomic_t cachefiles_mkdir_histogram[HZ];
-atomic_t cachefiles_create_histogram[HZ];
-
-/*
- * display the latency histogram
- */
-static int cachefiles_histogram_show(struct seq_file *m, void *v)
-{
- unsigned long index;
- unsigned x, y, z, t;
-
- switch ((unsigned long) v) {
- case 1:
- seq_puts(m, "JIFS SECS LOOKUPS MKDIRS CREATES\n");
- return 0;
- case 2:
- seq_puts(m, "===== ===== ========= ========= =========\n");
- return 0;
- default:
- index = (unsigned long) v - 3;
- x = atomic_read(&cachefiles_lookup_histogram[index]);
- y = atomic_read(&cachefiles_mkdir_histogram[index]);
- z = atomic_read(&cachefiles_create_histogram[index]);
- if (x == 0 && y == 0 && z == 0)
- return 0;
-
- t = (index * 1000) / HZ;
-
- seq_printf(m, "%4lu 0.%03u %9u %9u %9u\n", index, t, x, y, z);
- return 0;
- }
-}
-
-/*
- * set up the iterator to start reading from the first line
- */
-static void *cachefiles_histogram_start(struct seq_file *m, loff_t *_pos)
-{
- if ((unsigned long long)*_pos >= HZ + 2)
- return NULL;
- if (*_pos == 0)
- *_pos = 1;
- return (void *)(unsigned long) *_pos;
-}
-
-/*
- * move to the next line
- */
-static void *cachefiles_histogram_next(struct seq_file *m, void *v, loff_t *pos)
-{
- (*pos)++;
- return (unsigned long long)*pos > HZ + 2 ?
- NULL : (void *)(unsigned long) *pos;
-}
-
-/*
- * clean up after reading
- */
-static void cachefiles_histogram_stop(struct seq_file *m, void *v)
-{
-}
-
-static const struct seq_operations cachefiles_histogram_ops = {
- .start = cachefiles_histogram_start,
- .stop = cachefiles_histogram_stop,
- .next = cachefiles_histogram_next,
- .show = cachefiles_histogram_show,
-};
-
-/*
- * open "/proc/fs/cachefiles/XXX" which provide statistics summaries
- */
-static int cachefiles_histogram_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &cachefiles_histogram_ops);
-}
-
-static const struct file_operations cachefiles_histogram_fops = {
- .owner = THIS_MODULE,
- .open = cachefiles_histogram_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-/*
- * initialise the /proc/fs/cachefiles/ directory
- */
-int __init cachefiles_proc_init(void)
-{
- _enter("");
-
- if (!proc_mkdir("fs/cachefiles", NULL))
- goto error_dir;
-
- if (!proc_create("fs/cachefiles/histogram", S_IFREG | 0444, NULL,
- &cachefiles_histogram_fops))
- goto error_histogram;
-
- _leave(" = 0");
- return 0;
-
-error_histogram:
- remove_proc_entry("fs/cachefiles", NULL);
-error_dir:
- _leave(" = -ENOMEM");
- return -ENOMEM;
-}
-
-/*
- * clean up the /proc/fs/cachefiles/ directory
- */
-void cachefiles_proc_cleanup(void)
-{
- remove_proc_entry("fs/cachefiles/histogram", NULL);
- remove_proc_entry("fs/cachefiles", NULL);
-}