linux-ext4 - [PATCH 3/6] ext4: translate fallocate mode bits to strings

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Date:	Mon, 17 Feb 2014 16:08:20 +0100
From:	Lukas Czerner <lczerner@...hat.com>
To:	linux-ext4@...r.kernel.org
Cc:	tytso@....edu, linux-fsdevel@...r.kernel.org, xfs@....sgi.com,
	Lukas Czerner <lczerner@...hat.com>
Subject: [PATCH 3/6] ext4: translate fallocate mode bits to strings

Signed-off-by: Lukas Czerner <lczerner@...hat.com>
---
 fs/ext4/ext4.h              | 1 +
 fs/ext4/extents.c           | 1 -
 include/trace/events/ext4.h | 9 +++++++--
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index ece5556..3b9601c 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -31,6 +31,7 @@
 #include <linux/percpu_counter.h>
 #include <linux/ratelimit.h>
 #include <crypto/hash.h>
+#include <linux/falloc.h>
 #ifdef __KERNEL__
 #include <linux/compat.h>
 #endif
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 2d68a46..4bfa870 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -37,7 +37,6 @@
 #include <linux/quotaops.h>
 #include <linux/string.h>
 #include <linux/slab.h>
-#include <linux/falloc.h>
 #include <asm/uaccess.h>
 #include <linux/fiemap.h>
 #include "ext4_jbd2.h"
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 197d312..451e020 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -68,6 +68,11 @@ struct extent_status;
 	{ EXTENT_STATUS_DELAYED,	"D" },			\
 	{ EXTENT_STATUS_HOLE,		"H" })
 
+#define show_falloc_mode(mode) __print_flags(mode, "|",		\
+	{ FALLOC_FL_KEEP_SIZE,		"KEEP_SIZE"},		\
+	{ FALLOC_FL_PUNCH_HOLE,		"PUNCH_HOLE"},		\
+	{ FALLOC_FL_NO_HIDE_STALE,	"NO_HIDE_STALE"})
+
 
 TRACE_EVENT(ext4_free_inode,
 	TP_PROTO(struct inode *inode),
@@ -1349,10 +1354,10 @@ TRACE_EVENT(ext4_fallocate_enter,
 		__entry->mode	= mode;
 	),
 
-	TP_printk("dev %d,%d ino %lu pos %lld len %lld mode %d",
+	TP_printk("dev %d,%d ino %lu pos %lld len %lld mode %s",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  (unsigned long) __entry->ino, __entry->pos,
-		  __entry->len, __entry->mode)
+		  __entry->len, show_falloc_mode(__entry->mode))
 );
 
 TRACE_EVENT(ext4_fallocate_exit,
-- 
1.8.3.1

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