libglusterfs: logging/mem-pool section white-space cleanup

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 2346 (Log message enhancements in GlusterFS - phase 1)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2346

4 files changed, 283 insertions, 286 deletions

diff --git a/libglusterfs/src/logging.c b/libglusterfs/src/logging.c
index 78bd1d6103f..ed024840aa4 100644
--- a/libglusterfs/src/logging.c
+++ b/libglusterfs/src/logging.c
@@ -61,7 +61,7 @@ static FILE            *cmdlogfile = NULL;
 void
 gf_log_logrotate (int signum)
 {
-	logrotate = 1;
+        logrotate = 1;
 }
 
 void
@@ -79,7 +79,7 @@ gf_log_disable_syslog (void)
 gf_loglevel_t
 gf_log_get_loglevel (void)
 {
-	return loglevel;
+        return loglevel;
 }
 
 void
@@ -111,34 +111,34 @@ gf_log_set_xl_loglevel (void *this, gf_loglevel_t level)
 void
 gf_log_fini (void)
 {
-	pthread_mutex_destroy (&logfile_mutex);
+        pthread_mutex_destroy (&logfile_mutex);
 }
 
 
 int
 gf_log_init (const char *file)
 {
-	if (!file){
-		fprintf (stderr, "gf_log_init: no filename specified\n");
-		return -1;
-	}
+        if (!file){
+                fprintf (stderr, "gf_log_init: no filename specified\n");
+                return -1;
+        }
 
-	pthread_mutex_init (&logfile_mutex, NULL);
+        pthread_mutex_init (&logfile_mutex, NULL);
 
         filename = gf_strdup (file);
-	if (!filename) {
-		fprintf (stderr, "gf_log_init: strdup error\n");
-		return -1;
-	}
-
-	logfile = fopen (file, "a");
-	if (!logfile){
-		fprintf (stderr,
-			 "gf_log_init: failed to open logfile \"%s\" (%s)\n",
-			 file,
-			 strerror (errno));
-		return -1;
-	}
+        if (!filename) {
+                fprintf (stderr, "gf_log_init: strdup error\n");
+                return -1;
+        }
+
+        logfile = fopen (file, "a");
+        if (!logfile){
+                fprintf (stderr,
+                         "gf_log_init: failed to open logfile \"%s\" (%s)\n",
+                         file,
+                         strerror (errno));
+                return -1;
+        }
 
 #ifdef GF_LINUX_HOST_OS
         /* For the 'syslog' output. one can grep 'GlusterFS' in syslog
@@ -146,9 +146,9 @@ gf_log_init (const char *file)
         openlog ("GlusterFS", LOG_PID, LOG_DAEMON);
 #endif
 
-	gf_log_logfile = logfile;
+        gf_log_logfile = logfile;
 
-	return 0;
+        return 0;
 }
 
 
@@ -175,43 +175,43 @@ struct _log_msg {
 void
 gf_log_lock (void)
 {
-	pthread_mutex_lock (&logfile_mutex);
+        pthread_mutex_lock (&logfile_mutex);
 }
 
 
 void
 gf_log_unlock (void)
 {
-	pthread_mutex_unlock (&logfile_mutex);
+        pthread_mutex_unlock (&logfile_mutex);
 }
 
 
 void
 gf_log_cleanup (void)
 {
-	pthread_mutex_destroy (&logfile_mutex);
+        pthread_mutex_destroy (&logfile_mutex);
 }
 
 int
 _gf_log_callingfn (const char *domain, const char *file, const char *function,
                    int line, gf_loglevel_t level, const char *fmt, ...)
 {
-	const char     *basename        = NULL;
-	struct tm      *tm              = NULL;
+        const char     *basename        = NULL;
+        struct tm      *tm              = NULL;
         xlator_t       *this            = NULL;
         char           *str1            = NULL;
         char           *str2            = NULL;
         char           *msg             = NULL;
-	char            timestr[256]    = {0,};
-	char            callstr[4096]   = {0,};
+        char            timestr[256]    = {0,};
+        char            callstr[4096]   = {0,};
         struct timeval  tv              = {0,};
         size_t          len             = 0;
         int             ret             = 0;
         gf_loglevel_t   xlator_loglevel = 0;
-	va_list         ap;
+        va_list         ap;
 
-	if (!logfile)
-		return -1;
+        if (!logfile)
+                return -1;
 
         this = THIS;
 
@@ -222,33 +222,33 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function,
         if (level > xlator_loglevel)
                 goto out;
 
-	static char *level_strings[] = {"",  /* NONE */
+        static char *level_strings[] = {"",  /* NONE */
                                         "M", /* EMERGENCY */
                                         "A", /* ALERT */
-					"C", /* CRITICAL */
-					"E", /* ERROR */
-					"W", /* WARNING */
-					"N", /* NOTICE */
+                                        "C", /* CRITICAL */
+                                        "E", /* ERROR */
+                                        "W", /* WARNING */
+                                        "N", /* NOTICE */
                                         "I", /* INFO/NORMAL */
-					"D", /* DEBUG */
+                                        "D", /* DEBUG */
                                         "T", /* TRACE */
-					""};
+                                        ""};
 
-	if (!domain || !file || !function || !fmt) {
-		fprintf (stderr,
-			 "logging: %s:%s():%d: invalid argument\n",
-			 __FILE__, __PRETTY_FUNCTION__, __LINE__);
-		return -1;
-	}
+        if (!domain || !file || !function || !fmt) {
+                fprintf (stderr,
+                         "logging: %s:%s():%d: invalid argument\n",
+                         __FILE__, __PRETTY_FUNCTION__, __LINE__);
+                return -1;
+        }
 
 #if HAVE_BACKTRACE
-	/* Print 'calling function' */
-	do {
-		void *array[5];
+        /* Print 'calling function' */
+        do {
+                void *array[5];
                 char **callingfn = NULL;
-		size_t size = 0;
+                size_t size = 0;
 
-		size = backtrace (array, 5);
+                size = backtrace (array, 5);
                 if (size)
                         callingfn = backtrace_symbols (&array[2], size-2);
                 if (!callingfn)
@@ -264,28 +264,28 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function,
                         snprintf (callstr, 4096, "(-->%s)", callingfn[0]);
 
                 free (callingfn);
-	} while (0);
+        } while (0);
 #endif /* HAVE_BACKTRACE */
 
         ret = gettimeofday (&tv, NULL);
         if (-1 == ret)
                 goto out;
 
-	tm    = localtime (&tv.tv_sec);
+        tm    = localtime (&tv.tv_sec);
 
-	pthread_mutex_lock (&logfile_mutex);
-	{
-		va_start (ap, fmt);
+        pthread_mutex_lock (&logfile_mutex);
+        {
+                va_start (ap, fmt);
 
-		strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
+                strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
                 snprintf (timestr + strlen (timestr), 256 - strlen (timestr),
                           ".%"GF_PRI_SUSECONDS, tv.tv_usec);
 
-		basename = strrchr (file, '/');
-		if (basename)
-			basename++;
-		else
-			basename = file;
+                basename = strrchr (file, '/');
+                if (basename)
+                        basename++;
+                else
+                        basename = file;
 
                 ret = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %s %s: ",
                                    timestr, level_strings[level],
@@ -300,7 +300,7 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function,
                         goto unlock;
                 }
 
-		va_end (ap);
+                va_end (ap);
 
                 len = strlen (str1);
                 msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char);
@@ -308,8 +308,8 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function,
                 strcpy (msg, str1);
                 strcpy (msg + len, str2);
 
-		fprintf (logfile, "%s\n", msg);
-		fflush (logfile);
+                fprintf (logfile, "%s\n", msg);
+                fflush (logfile);
 
 #ifdef GF_LINUX_HOST_OS
                 /* We want only serious log in 'syslog', not our debug
@@ -317,10 +317,10 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function,
                 if (gf_log_syslog && level && (level <= GF_LOG_ERROR))
                         syslog ((level-1), "%s\n", msg);
 #endif
-	}
+        }
 
 unlock:
-	pthread_mutex_unlock (&logfile_mutex);
+        pthread_mutex_unlock (&logfile_mutex);
 
         if (msg) {
                 GF_FREE (msg);
@@ -338,13 +338,13 @@ out:
 
 int
 _gf_log (const char *domain, const char *file, const char *function, int line,
-	 gf_loglevel_t level, const char *fmt, ...)
+         gf_loglevel_t level, const char *fmt, ...)
 {
-	const char  *basename = NULL;
-	FILE        *new_logfile = NULL;
-	va_list      ap;
-	struct tm   *tm = NULL;
-	char         timestr[256];
+        const char  *basename = NULL;
+        FILE        *new_logfile = NULL;
+        va_list      ap;
+        struct tm   *tm = NULL;
+        char         timestr[256];
         struct timeval tv = {0,};
 
         char        *str1 = NULL;
@@ -355,8 +355,8 @@ _gf_log (const char *domain, const char *file, const char *function, int line,
         xlator_t    *this = NULL;
         gf_loglevel_t xlator_loglevel = 0;
 
-	if (!logfile)
-		return -1;
+        if (!logfile)
+                return -1;
 
         this = THIS;
 
@@ -367,61 +367,61 @@ _gf_log (const char *domain, const char *file, const char *function, int line,
         if (level > xlator_loglevel)
                 goto out;
 
-	static char *level_strings[] = {"",  /* NONE */
+        static char *level_strings[] = {"",  /* NONE */
                                         "M", /* EMERGENCY */
                                         "A", /* ALERT */
-					"C", /* CRITICAL */
-					"E", /* ERROR */
-					"W", /* WARNING */
-					"N", /* NOTICE */
+                                        "C", /* CRITICAL */
+                                        "E", /* ERROR */
+                                        "W", /* WARNING */
+                                        "N", /* NOTICE */
                                         "I", /* INFO/NORMAL */
-					"D", /* DEBUG */
+                                        "D", /* DEBUG */
                                         "T", /* TRACE */
-					""};
+                                        ""};
 
-	if (!domain || !file || !function || !fmt) {
-		fprintf (stderr,
-			 "logging: %s:%s():%d: invalid argument\n",
-			 __FILE__, __PRETTY_FUNCTION__, __LINE__);
-		return -1;
-	}
+        if (!domain || !file || !function || !fmt) {
+                fprintf (stderr,
+                         "logging: %s:%s():%d: invalid argument\n",
+                         __FILE__, __PRETTY_FUNCTION__, __LINE__);
+                return -1;
+        }
 
 
-	if (logrotate) {
-		logrotate = 0;
+        if (logrotate) {
+                logrotate = 0;
 
-		new_logfile = fopen (filename, "a");
-		if (!new_logfile) {
-			gf_log ("logrotate", GF_LOG_CRITICAL,
-				"failed to open logfile %s (%s)",
-				filename, strerror (errno));
-			goto log;
-		}
+                new_logfile = fopen (filename, "a");
+                if (!new_logfile) {
+                        gf_log ("logrotate", GF_LOG_CRITICAL,
+                                "failed to open logfile %s (%s)",
+                                filename, strerror (errno));
+                        goto log;
+                }
 
-		fclose (logfile);
-		gf_log_logfile = logfile = new_logfile;
-	}
+                fclose (logfile);
+                gf_log_logfile = logfile = new_logfile;
+        }
 
 log:
         ret = gettimeofday (&tv, NULL);
         if (-1 == ret)
                 goto out;
 
-	tm    = localtime (&tv.tv_sec);
+        tm    = localtime (&tv.tv_sec);
 
-	pthread_mutex_lock (&logfile_mutex);
-	{
-		va_start (ap, fmt);
+        pthread_mutex_lock (&logfile_mutex);
+        {
+                va_start (ap, fmt);
 
-		strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
+                strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
                 snprintf (timestr + strlen (timestr), 256 - strlen (timestr),
                           ".%"GF_PRI_SUSECONDS, tv.tv_usec);
 
-		basename = strrchr (file, '/');
-		if (basename)
-			basename++;
-		else
-			basename = file;
+                basename = strrchr (file, '/');
+                if (basename)
+                        basename++;
+                else
+                        basename = file;
 
                 ret = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %s: ",
                                    timestr, level_strings[level],
@@ -436,7 +436,7 @@ log:
                         goto unlock;
                 }
 
-		va_end (ap);
+                va_end (ap);
 
                 len = strlen (str1);
                 msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char);
@@ -444,8 +444,8 @@ log:
                 strcpy (msg, str1);
                 strcpy (msg + len, str2);
 
-		fprintf (logfile, "%s\n", msg);
-		fflush (logfile);
+                fprintf (logfile, "%s\n", msg);
+                fflush (logfile);
 
 #ifdef GF_LINUX_HOST_OS
                 /* We want only serious log in 'syslog', not our debug
@@ -453,10 +453,10 @@ log:
                 if (gf_log_syslog && level && (level <= GF_LOG_ERROR))
                         syslog ((level-1), "%s\n", msg);
 #endif
-	}
+        }
 
 unlock:
-	pthread_mutex_unlock (&logfile_mutex);
+        pthread_mutex_unlock (&logfile_mutex);
 
         if (msg) {
                 if ((ret != -1) && __central_log_enabled &&
@@ -478,7 +478,7 @@ unlock:
                 FREE (str2);
 
 out:
-	return (0);
+        return (0);
 }
 
 
@@ -517,7 +517,7 @@ __logfile_for_client (char *identifier)
 
         if (!client_logs) {
                 client = GF_CALLOC (1, sizeof (*client),
-                                        gf_common_mt_client_log);
+                                    gf_common_mt_client_log);
                 if (!client)
                         return NULL;
 
@@ -533,7 +533,7 @@ __logfile_for_client (char *identifier)
 
         if (!client) {
                 client = GF_CALLOC (1, sizeof (*client),
-                                        gf_common_mt_client_log);
+                                    gf_common_mt_client_log);
                 if (!client)
                         return NULL;
 
@@ -578,8 +578,8 @@ gf_cmd_log_init (const char *filename)
         cmdlogfile = fopen (cmd_log_filename, "a");
         if (!cmdlogfile){
                 gf_log ("glusterd", GF_LOG_CRITICAL,
-                         "gf_cmd_log_init: failed to open logfile \"%s\" "
-                         "(%s)\n", cmd_log_filename, strerror (errno));
+                        "gf_cmd_log_init: failed to open logfile \"%s\" "
+                        "(%s)\n", cmd_log_filename, strerror (errno));
                 return -1;
         }
         return 0;
@@ -604,7 +604,7 @@ gf_cmd_log (const char *domain, const char *fmt, ...)
 
         if (!domain || !fmt) {
                 gf_log ("glusterd", GF_LOG_TRACE,
-                         "logging: invalid argument\n");
+                        "logging: invalid argument\n");
                 return -1;
         }
 
@@ -620,14 +620,14 @@ gf_cmd_log (const char *domain, const char *fmt, ...)
                   ".%"GF_PRI_SUSECONDS, tv.tv_usec);
 
         ret = gf_asprintf (&str1, "[%s] %s : ",
-                          timestr, domain);
+                           timestr, domain);
         if (ret == -1) {
-              goto out;
+                goto out;
         }
 
         ret = vasprintf (&str2, fmt, ap);
         if (ret == -1) {
-               goto out;
+                goto out;
         }
 
         va_end (ap);
@@ -643,7 +643,7 @@ gf_cmd_log (const char *domain, const char *fmt, ...)
 
 out:
         if (msg) {
-               GF_FREE (msg);
+                GF_FREE (msg);
         }
 
         if (str1)
diff --git a/libglusterfs/src/logging.h b/libglusterfs/src/logging.h
index 235410e4999..aa6e00edb70 100644
--- a/libglusterfs/src/logging.h
+++ b/libglusterfs/src/logging.h
@@ -17,7 +17,6 @@
    <http://www.gnu.org/licenses/>.
 */
 
-
 #ifndef __LOGGING_H__
 #define __LOGGING_H__
 
@@ -57,16 +56,16 @@
 #endif
 
 typedef enum {
-	GF_LOG_NONE,
+        GF_LOG_NONE,
         GF_LOG_EMERG,
         GF_LOG_ALERT,
-	GF_LOG_CRITICAL,   /* fatal errors */
-	GF_LOG_ERROR,      /* major failures (not necessarily fatal) */
-	GF_LOG_WARNING,    /* info about normal operation */
+        GF_LOG_CRITICAL,   /* fatal errors */
+        GF_LOG_ERROR,      /* major failures (not necessarily fatal) */
+        GF_LOG_WARNING,    /* info about normal operation */
         GF_LOG_NOTICE,
-	GF_LOG_INFO,       /* Normal information */
+        GF_LOG_INFO,       /* Normal information */
 #define GF_LOG_NORMAL      GF_LOG_INFO
-	GF_LOG_DEBUG,      /* internal errors */
+        GF_LOG_DEBUG,      /* internal errors */
         GF_LOG_TRACE,      /* full trace of operation */
 } gf_loglevel_t;
 
@@ -77,7 +76,7 @@ extern char gf_log_xl_log_set;
 
 #define FMT_WARN(fmt...) do { if (0) printf (fmt); } while (0)
 
-#define gf_log(dom, levl, fmt...) do {					\
+#define gf_log(dom, levl, fmt...) do {                                  \
                 FMT_WARN (fmt);                                         \
                                                                         \
                 if ((levl > gf_log_loglevel) && !gf_log_xl_log_set)     \
@@ -97,7 +96,7 @@ extern char gf_log_xl_log_set;
 
 /* Log once in GF_UNIVERSAL_ANSWER times */
 #define GF_LOG_OCCASIONALLY(var, args...) if (!(var++%GF_UNIVERSAL_ANSWER)) { \
-                gf_log (args);                                                \
+                gf_log (args);                                          \
         }
 
 
@@ -109,7 +108,7 @@ void gf_log_cleanup (void);
 
 int
 _gf_log (const char *domain, const char *file, const char *function,
-	 int32_t line, gf_loglevel_t level, const char *fmt, ...);
+         int32_t line, gf_loglevel_t level, const char *fmt, ...);
 int
 _gf_log_callingfn (const char *domain, const char *file, const char *function,
                    int32_t line, gf_loglevel_t level, const char *fmt, ...);
@@ -127,14 +126,14 @@ void gf_log_set_loglevel (gf_loglevel_t level);
 gf_loglevel_t gf_log_get_xl_loglevel (void *xl);
 void gf_log_set_xl_loglevel (void *xl, gf_loglevel_t level);
 
-#define GF_DEBUG(xl, format, args...) \
-	gf_log ((xl)->name, GF_LOG_DEBUG, format, ##args)
-#define GF_INFO(xl, format, args...) \
-	gf_log ((xl)->name, GF_LOG_INFO, format, ##args)
-#define GF_WARNING(xl, format, args...) \
-	gf_log ((xl)->name, GF_LOG_WARNING, format, ##args)
-#define GF_ERROR(xl, format, args...) \
-	gf_log ((xl)->name, GF_LOG_ERROR, format, ##args)
+#define GF_DEBUG(xl, format, args...)                           \
+        gf_log ((xl)->name, GF_LOG_DEBUG, format, ##args)
+#define GF_INFO(xl, format, args...)                            \
+        gf_log ((xl)->name, GF_LOG_INFO, format, ##args)
+#define GF_WARNING(xl, format, args...)                         \
+        gf_log ((xl)->name, GF_LOG_WARNING, format, ##args)
+#define GF_ERROR(xl, format, args...)                           \
+        gf_log ((xl)->name, GF_LOG_ERROR, format, ##args)
 
 int
 gf_cmd_log (const char *domain, const char *fmt, ...);
diff --git a/libglusterfs/src/mem-pool.c b/libglusterfs/src/mem-pool.c
index a8eb985b8a8..9acebad4153 100644
--- a/libglusterfs/src/mem-pool.c
+++ b/libglusterfs/src/mem-pool.c
@@ -99,11 +99,11 @@ gf_mem_set_acct_info (xlator_t *xl, char **alloc_ptr,
                 xl->mem_acct.rec[type].size += size;
                 xl->mem_acct.rec[type].num_allocs++;
                 xl->mem_acct.rec[type].max_size =
-                           max (xl->mem_acct.rec[type].max_size,
-                                xl->mem_acct.rec[type].size);
+                        max (xl->mem_acct.rec[type].max_size,
+                             xl->mem_acct.rec[type].size);
                 xl->mem_acct.rec[type].max_num_allocs =
-                           max (xl->mem_acct.rec[type].max_num_allocs,
-                                xl->mem_acct.rec[type].num_allocs);
+                        max (xl->mem_acct.rec[type].max_num_allocs,
+                             xl->mem_acct.rec[type].num_allocs);
         }
         UNLOCK(&xl->mem_acct.rec[type].lock);
 
@@ -208,44 +208,44 @@ int
 gf_vasprintf (char **string_ptr, const char *format, va_list arg)
 {
         va_list arg_save;
-	char    *str = NULL;
-	int     size = 0;
-	int     rv = 0;
+        char    *str = NULL;
+        int     size = 0;
+        int     rv = 0;
 
-	if (!string_ptr || !format)
-		return -1;
+        if (!string_ptr || !format)
+                return -1;
 
         va_copy (arg_save, arg);
 
-	size = vsnprintf (NULL, 0, format, arg);
-	size++;
-	str = GF_MALLOC (size, gf_common_mt_asprintf);
-	if (str == NULL) {
-		/*
-		 * Strictly speaking, GNU asprintf doesn't do this,
-		 * but the caller isn't checking the return value.
-		 */
-		gf_log ("libglusterfs", GF_LOG_CRITICAL,
-                         "failed to allocate memory");
-		return -1;
-	}
-	rv = vsnprintf (str, size, format, arg_save);
-
-	*string_ptr = str;
-	return (rv);
+        size = vsnprintf (NULL, 0, format, arg);
+        size++;
+        str = GF_MALLOC (size, gf_common_mt_asprintf);
+        if (str == NULL) {
+                /*
+                 * Strictly speaking, GNU asprintf doesn't do this,
+                 * but the caller isn't checking the return value.
+                 */
+                gf_log ("libglusterfs", GF_LOG_CRITICAL,
+                        "failed to allocate memory");
+                return -1;
+        }
+        rv = vsnprintf (str, size, format, arg_save);
+
+        *string_ptr = str;
+        return (rv);
 }
 
 int
 gf_asprintf (char **string_ptr, const char *format, ...)
 {
-	va_list arg;
-	int     rv = 0;
+        va_list arg;
+        int     rv = 0;
 
-	va_start (arg, format);
-	rv = gf_vasprintf (string_ptr, format, arg);
-	va_end (arg);
+        va_start (arg, format);
+        rv = gf_vasprintf (string_ptr, format, arg);
+        va_end (arg);
 
-	return rv;
+        return rv;
 }
 
 void
@@ -293,7 +293,7 @@ __gf_free (void *free_ptr)
         type = *(uint32_t *)ptr;
 
         if (GF_MEM_TRAILER_MAGIC != *(uint32_t *)
-                                    ((char *)free_ptr + req_size)) {
+            ((char *)free_ptr + req_size)) {
                 // This points to a memory overrun
                 GF_ASSERT (0);
         }
@@ -313,47 +313,47 @@ free:
 
 struct mem_pool *
 mem_pool_new_fn (unsigned long sizeof_type,
-		 unsigned long count)
+                 unsigned long count)
 {
-	struct mem_pool  *mem_pool = NULL;
-	unsigned long     padded_sizeof_type = 0;
-	void             *pool = NULL;
-	int               i = 0;
-	struct list_head *list = NULL;
-
-	if (!sizeof_type || !count) {
-		gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
-		return NULL;
-	}
+        struct mem_pool  *mem_pool = NULL;
+        unsigned long     padded_sizeof_type = 0;
+        void             *pool = NULL;
+        int               i = 0;
+        struct list_head *list = NULL;
+
+        if (!sizeof_type || !count) {
+                gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
+                return NULL;
+        }
         padded_sizeof_type = sizeof_type + GF_MEM_POOL_PAD_BOUNDARY;
 
-	mem_pool = GF_CALLOC (sizeof (*mem_pool), 1, gf_common_mt_mem_pool);
-	if (!mem_pool)
-		return NULL;
+        mem_pool = GF_CALLOC (sizeof (*mem_pool), 1, gf_common_mt_mem_pool);
+        if (!mem_pool)
+                return NULL;
 
-	LOCK_INIT (&mem_pool->lock);
-	INIT_LIST_HEAD (&mem_pool->list);
+        LOCK_INIT (&mem_pool->lock);
+        INIT_LIST_HEAD (&mem_pool->list);
 
-	mem_pool->padded_sizeof_type = padded_sizeof_type;
-	mem_pool->cold_count = count;
+        mem_pool->padded_sizeof_type = padded_sizeof_type;
+        mem_pool->cold_count = count;
         mem_pool->real_sizeof_type = sizeof_type;
 
         pool = GF_CALLOC (count, padded_sizeof_type, gf_common_mt_long);
-	if (!pool) {
+        if (!pool) {
                 GF_FREE (mem_pool);
-		return NULL;
+                return NULL;
         }
 
-	for (i = 0; i < count; i++) {
-		list = pool + (i * (padded_sizeof_type));
-		INIT_LIST_HEAD (list);
-		list_add_tail (list, &mem_pool->list);
-	}
+        for (i = 0; i < count; i++) {
+                list = pool + (i * (padded_sizeof_type));
+                INIT_LIST_HEAD (list);
+                list_add_tail (list, &mem_pool->list);
+        }
 
-	mem_pool->pool = pool;
-	mem_pool->pool_end = pool + (count * (padded_sizeof_type));
+        mem_pool->pool = pool;
+        mem_pool->pool_end = pool + (count * (padded_sizeof_type));
 
-	return mem_pool;
+        return mem_pool;
 }
 
 void*
@@ -377,30 +377,30 @@ mem_get0 (struct mem_pool *mem_pool)
 void *
 mem_get (struct mem_pool *mem_pool)
 {
-	struct list_head *list = NULL;
-	void             *ptr = NULL;
+        struct list_head *list = NULL;
+        void             *ptr = NULL;
         int             *in_use = NULL;
 
-	if (!mem_pool) {
-		gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
-		return NULL;
-	}
+        if (!mem_pool) {
+                gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
+                return NULL;
+        }
 
-	LOCK (&mem_pool->lock);
-	{
-		if (mem_pool->cold_count) {
-			list = mem_pool->list.next;
-			list_del (list);
+        LOCK (&mem_pool->lock);
+        {
+                if (mem_pool->cold_count) {
+                        list = mem_pool->list.next;
+                        list_del (list);
 
-			mem_pool->hot_count++;
-			mem_pool->cold_count--;
+                        mem_pool->hot_count++;
+                        mem_pool->cold_count--;
 
-			ptr = list;
+                        ptr = list;
                         in_use = (ptr + GF_MEM_POOL_LIST_BOUNDARY);
                         *in_use = 1;
 
                         goto fwd_addr_out;
-		}
+                }
 
                 /* This is a problem area. If we've run out of
                  * chunks in our slab above, we need to allocate
@@ -422,83 +422,83 @@ mem_get (struct mem_pool *mem_pool)
                  * because it is too much work knowing that a better slab
                  * allocator is coming RSN.
                  */
-		ptr = MALLOC (mem_pool->real_sizeof_type);
+                ptr = MALLOC (mem_pool->real_sizeof_type);
 
                 /* Memory coming from the heap need not be transformed from a
                  * chunkhead to a usable pointer since it is not coming from
                  * the pool.
                  */
                 goto unlocked_out;
-	}
+        }
 fwd_addr_out:
         ptr = mem_pool_chunkhead2ptr (ptr);
 unlocked_out:
         UNLOCK (&mem_pool->lock);
 
-	return ptr;
+        return ptr;
 }
 
 
 static int
 __is_member (struct mem_pool *pool, void *ptr)
 {
-	if (!pool || !ptr) {
-		gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
-		return -1;
-	}
+        if (!pool || !ptr) {
+                gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
+                return -1;
+        }
 
-	if (ptr < pool->pool || ptr >= pool->pool_end)
-		return 0;
+        if (ptr < pool->pool || ptr >= pool->pool_end)
+                return 0;
 
-	if ((mem_pool_ptr2chunkhead (ptr) - pool->pool)
-                        % pool->padded_sizeof_type)
-		return -1;
+        if ((mem_pool_ptr2chunkhead (ptr) - pool->pool)
+            % pool->padded_sizeof_type)
+                return -1;
 
-	return 1;
+        return 1;
 }
 
 
 void
 mem_put (struct mem_pool *pool, void *ptr)
 {
-	struct list_head *list = NULL;
-	int    *in_use = NULL;
-	void   *head = NULL;
-
-	if (!pool || !ptr) {
-		gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
-		return;
-	}
-
-	LOCK (&pool->lock);
-	{
-
-		switch (__is_member (pool, ptr))
-		{
-		case 1:
-	                list = head = mem_pool_ptr2chunkhead (ptr);
-			in_use = (head + GF_MEM_POOL_LIST_BOUNDARY);
-			if (!is_mem_chunk_in_use(in_use)) {
-                               gf_log_callingfn ("mem-pool", GF_LOG_CRITICAL,
-                                       "mem_put called on freed ptr %p of mem "
-                                       "pool %p", ptr, pool);
-                               break;
-                       } 
-		        pool->hot_count--;
-			pool->cold_count++;
-			*in_use = 0;
-			list_add (list, &pool->list);
-			break;
-		case -1:
+        struct list_head *list = NULL;
+        int    *in_use = NULL;
+        void   *head = NULL;
+
+        if (!pool || !ptr) {
+                gf_log ("mem-pool", GF_LOG_ERROR, "invalid argument");
+                return;
+        }
+
+        LOCK (&pool->lock);
+        {
+
+                switch (__is_member (pool, ptr))
+                {
+                case 1:
+                        list = head = mem_pool_ptr2chunkhead (ptr);
+                        in_use = (head + GF_MEM_POOL_LIST_BOUNDARY);
+                        if (!is_mem_chunk_in_use(in_use)) {
+                                gf_log_callingfn ("mem-pool", GF_LOG_CRITICAL,
+                                                  "mem_put called on freed ptr %p of mem "
+                                                  "pool %p", ptr, pool);
+                                break;
+                        }
+                        pool->hot_count--;
+                        pool->cold_count++;
+                        *in_use = 0;
+                        list_add (list, &pool->list);
+                        break;
+                case -1:
                         /* For some reason, the address given is within
                          * the address range of the mem-pool but does not align
                          * with the expected start of a chunk that includes
                          * the list headers also. Sounds like a problem in
                          * layers of clouds up above us. ;)
                          */
-			abort ();
-			break;
-		case 0:
+                        abort ();
+                        break;
+                case 0:
                         /* The address is outside the range of the mem-pool. We
                          * assume here that this address was allocated at a
                          * point when the mem-pool was out of chunks in mem_get
@@ -507,14 +507,14 @@ mem_put (struct mem_pool *pool, void *ptr)
                          * not have enough info to distinguish between the two
                          * situations.
                          */
-			FREE (ptr);
-			break;
-		default:
-			/* log error */
-			break;
-		}
-	}
-	UNLOCK (&pool->lock);
+                        FREE (ptr);
+                        break;
+                default:
+                        /* log error */
+                        break;
+                }
+        }
+        UNLOCK (&pool->lock);
 }
 
 
diff --git a/libglusterfs/src/mem-pool.h b/libglusterfs/src/mem-pool.h
index 6b09d62212f..0cda62fb85b 100644
--- a/libglusterfs/src/mem-pool.h
+++ b/libglusterfs/src/mem-pool.h
@@ -32,11 +32,11 @@
 #define MALLOC(size) malloc(size)
 #define CALLOC(cnt,size) calloc(cnt,size)
 
-#define FREE(ptr)				\
-	if (ptr != NULL) {			\
-		free ((void *)ptr);		\
-		ptr = (void *)0xeeeeeeee;	\
-	}                      
+#define FREE(ptr)                               \
+        if (ptr != NULL) {                      \
+                free ((void *)ptr);             \
+                ptr = (void *)0xeeeeeeee;       \
+        }
 
 struct mem_acct {
         uint32_t            num_types;
@@ -73,7 +73,7 @@ gf_asprintf (char **string_ptr, const char *format, ...);
 
 #define GF_REALLOC(ptr, size)  __gf_realloc (ptr, size)
 
-void 
+void
 __gf_free (void *ptr);
 
 
@@ -98,16 +98,14 @@ char * gf_strdup (const char *src)
         return dup_str;
 }
 
-
-
 struct mem_pool {
-	struct list_head  list;
-	int               hot_count;
-	int               cold_count;
-	gf_lock_t         lock;
-	unsigned long     padded_sizeof_type;
-	void             *pool;
-	void             *pool_end;
+        struct list_head  list;
+        int               hot_count;
+        int               cold_count;
+        gf_lock_t         lock;
+        unsigned long     padded_sizeof_type;
+        void             *pool;
+        void             *pool_end;
         int               real_sizeof_type;
 };