ext4: translate fallocate mode bits to strings

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

3 files changed, 8 insertions, 3 deletions

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index d3a534fdc5ff..b7207db3107c 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 ef4b535e0a02..2e0608e3be6e 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 197d3125df2a..451e0202aa69 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,