mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
97a32539b9
The most notable change is DEFINE_SHOW_ATTRIBUTE macro split in seq_file.h. Conversion rule is: llseek => proc_lseek unlocked_ioctl => proc_ioctl xxx => proc_xxx delete ".owner = THIS_MODULE" line [akpm@linux-foundation.org: fix drivers/isdn/capi/kcapi_proc.c] [sfr@canb.auug.org.au: fix kernel/sched/psi.c] Link: http://lkml.kernel.org/r/20200122180545.36222f50@canb.auug.org.au Link: http://lkml.kernel.org/r/20191225172546.GB13378@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/* FS-Cache statistics viewing interface
|
|
*
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*/
|
|
|
|
#define FSCACHE_DEBUG_LEVEL OPERATION
|
|
#include <linux/module.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/seq_file.h>
|
|
#include "internal.h"
|
|
|
|
/*
|
|
* initialise the /proc/fs/fscache/ directory
|
|
*/
|
|
int __init fscache_proc_init(void)
|
|
{
|
|
_enter("");
|
|
|
|
if (!proc_mkdir("fs/fscache", NULL))
|
|
goto error_dir;
|
|
|
|
#ifdef CONFIG_FSCACHE_STATS
|
|
if (!proc_create_single("fs/fscache/stats", S_IFREG | 0444, NULL,
|
|
fscache_stats_show))
|
|
goto error_stats;
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSCACHE_HISTOGRAM
|
|
if (!proc_create_seq("fs/fscache/histogram", S_IFREG | 0444, NULL,
|
|
&fscache_histogram_ops))
|
|
goto error_histogram;
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSCACHE_OBJECT_LIST
|
|
if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL,
|
|
&fscache_objlist_proc_ops))
|
|
goto error_objects;
|
|
#endif
|
|
|
|
_leave(" = 0");
|
|
return 0;
|
|
|
|
#ifdef CONFIG_FSCACHE_OBJECT_LIST
|
|
error_objects:
|
|
#endif
|
|
#ifdef CONFIG_FSCACHE_HISTOGRAM
|
|
remove_proc_entry("fs/fscache/histogram", NULL);
|
|
error_histogram:
|
|
#endif
|
|
#ifdef CONFIG_FSCACHE_STATS
|
|
remove_proc_entry("fs/fscache/stats", NULL);
|
|
error_stats:
|
|
#endif
|
|
remove_proc_entry("fs/fscache", NULL);
|
|
error_dir:
|
|
_leave(" = -ENOMEM");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* clean up the /proc/fs/fscache/ directory
|
|
*/
|
|
void fscache_proc_cleanup(void)
|
|
{
|
|
#ifdef CONFIG_FSCACHE_OBJECT_LIST
|
|
remove_proc_entry("fs/fscache/objects", NULL);
|
|
#endif
|
|
#ifdef CONFIG_FSCACHE_HISTOGRAM
|
|
remove_proc_entry("fs/fscache/histogram", NULL);
|
|
#endif
|
|
#ifdef CONFIG_FSCACHE_STATS
|
|
remove_proc_entry("fs/fscache/stats", NULL);
|
|
#endif
|
|
remove_proc_entry("fs/fscache", NULL);
|
|
}
|