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yaml
---
r: 140292
b: refs/heads/master
c: 59b526a
h: refs/heads/master
v: v3
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Sunil Mushran authored and Mark Fasheh committed Apr 3, 2009
1 parent 8475969 commit de56fbb
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Showing 3 changed files with 1 addition and 92 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 50397507e856455b3f5cb3d5c7c482209f9e46a0
refs/heads/master: 59b526a30722f29e5dba6210a6e0fc34e3149b94
86 changes: 0 additions & 86 deletions trunk/fs/ocfs2/localalloc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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 ||
Expand Down Expand Up @@ -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;

Expand Down Expand Up @@ -299,9 +218,6 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb)
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);
Expand Down Expand Up @@ -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;

Expand Down
5 changes: 0 additions & 5 deletions trunk/fs/ocfs2/ocfs2.h
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down

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