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Message-Id: <1237320082-12921-5-git-send-email-mfasheh@suse.com>
Date: Tue, 17 Mar 2009 13:00:54 -0700
From: Mark Fasheh <mfasheh@...e.com>
To: linux-kernel@...r.kernel.org
Cc: ocfs2-devel@....oracle.com, Joel Becker <joel.becker@...cle.com>,
Sunil Mushran <sunil.mushran@...cle.com>,
Mark Fasheh <mfasheh@...e.com>
Subject: [PATCH 04/32] ocfs2: Remove debugfs file local_alloc_stats
From: Sunil Mushran <sunil.mushran@...cle.com>
This patch removes the debugfs file local_alloc_stats as that information
is now included in the fs_state debugfs file.
Signed-off-by: Sunil Mushran <sunil.mushran@...cle.com>
Signed-off-by: Mark Fasheh <mfasheh@...e.com>
---
fs/ocfs2/localalloc.c | 86 -------------------------------------------------
fs/ocfs2/ocfs2.h | 5 ---
2 files changed, 0 insertions(+), 91 deletions(-)
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index ec70cdb..bac7e6a 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/bitops.h>
-#include <linux/debugfs.h>
#define MLOG_MASK_PREFIX ML_DISK_ALLOC
#include <cluster/masklog.h>
@@ -75,84 +74,6 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
struct inode *local_alloc_inode);
-#ifdef CONFIG_OCFS2_FS_STATS
-
-static int ocfs2_la_debug_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-#define LA_DEBUG_BUF_SZ PAGE_CACHE_SIZE
-#define LA_DEBUG_VER 1
-static ssize_t ocfs2_la_debug_read(struct file *file, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- static DEFINE_MUTEX(la_debug_mutex);
- struct ocfs2_super *osb = file->private_data;
- int written, ret;
- char *buf = osb->local_alloc_debug_buf;
-
- mutex_lock(&la_debug_mutex);
- memset(buf, 0, LA_DEBUG_BUF_SZ);
-
- written = snprintf(buf, LA_DEBUG_BUF_SZ,
- "0x%x\t0x%llx\t%u\t%u\t0x%x\n",
- LA_DEBUG_VER,
- (unsigned long long)osb->la_last_gd,
- osb->local_alloc_default_bits,
- osb->local_alloc_bits, osb->local_alloc_state);
-
- ret = simple_read_from_buffer(userbuf, count, ppos, buf, written);
-
- mutex_unlock(&la_debug_mutex);
- return ret;
-}
-
-static const struct file_operations ocfs2_la_debug_fops = {
- .open = ocfs2_la_debug_open,
- .read = ocfs2_la_debug_read,
-};
-
-static void ocfs2_init_la_debug(struct ocfs2_super *osb)
-{
- osb->local_alloc_debug_buf = kmalloc(LA_DEBUG_BUF_SZ, GFP_NOFS);
- if (!osb->local_alloc_debug_buf)
- return;
-
- osb->local_alloc_debug = debugfs_create_file("local_alloc_stats",
- S_IFREG|S_IRUSR,
- osb->osb_debug_root,
- osb,
- &ocfs2_la_debug_fops);
- if (!osb->local_alloc_debug) {
- kfree(osb->local_alloc_debug_buf);
- osb->local_alloc_debug_buf = NULL;
- }
-}
-
-static void ocfs2_shutdown_la_debug(struct ocfs2_super *osb)
-{
- if (osb->local_alloc_debug)
- debugfs_remove(osb->local_alloc_debug);
-
- if (osb->local_alloc_debug_buf)
- kfree(osb->local_alloc_debug_buf);
-
- osb->local_alloc_debug_buf = NULL;
- osb->local_alloc_debug = NULL;
-}
-#else /* CONFIG_OCFS2_FS_STATS */
-static void ocfs2_init_la_debug(struct ocfs2_super *osb)
-{
- return;
-}
-static void ocfs2_shutdown_la_debug(struct ocfs2_super *osb)
-{
- return;
-}
-#endif
-
static inline int ocfs2_la_state_enabled(struct ocfs2_super *osb)
{
return (osb->local_alloc_state == OCFS2_LA_THROTTLED ||
@@ -226,8 +147,6 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb)
mlog_entry_void();
- ocfs2_init_la_debug(osb);
-
if (osb->local_alloc_bits == 0)
goto bail;
@@ -299,9 +218,6 @@ bail:
if (inode)
iput(inode);
- if (status < 0)
- ocfs2_shutdown_la_debug(osb);
-
mlog(0, "Local alloc window bits = %d\n", osb->local_alloc_bits);
mlog_exit(status);
@@ -331,8 +247,6 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
cancel_delayed_work(&osb->la_enable_wq);
flush_workqueue(ocfs2_wq);
- ocfs2_shutdown_la_debug(osb);
-
if (osb->local_alloc_state == OCFS2_LA_UNUSED)
goto out;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 18d8542..a7c8369 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -287,11 +287,6 @@ struct ocfs2_super
u64 la_last_gd;
-#ifdef CONFIG_OCFS2_FS_STATS
- struct dentry *local_alloc_debug;
- char *local_alloc_debug_buf;
-#endif
-
/* Next three fields are for local node slot recovery during
* mount. */
int dirty;
--
1.5.6
--
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