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authorZheng Liu <wenqing.lz@taobao.com>2013-01-16 20:21:26 -0500
committerTheodore Ts'o <tytso@mit.edu>2013-01-16 20:21:26 -0500
commitaaddea812cb0a2dc38b55ba557b68999bc2f6203 (patch)
treea0c351a893ee132fdb36a3693dd9af5e126f7546 /include/trace
parent7f5118629f74b82bd4ba5e47415d1b4dcb940241 (diff)
downloadlinux-aaddea812cb0a2dc38b55ba557b68999bc2f6203.tar.bz2
ext4: add tracepoint in punching hole
This patch adds a tracepoint in ext4_punch_hole. CC: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/ext4.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 7e8c36bc7082..6080ea1380b8 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1324,6 +1324,31 @@ TRACE_EVENT(ext4_fallocate_exit,
__entry->ret)
);
+TRACE_EVENT(ext4_punch_hole,
+ TP_PROTO(struct inode *inode, loff_t offset, loff_t len),
+
+ TP_ARGS(inode, offset, len),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( loff_t, offset )
+ __field( loff_t, len )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->offset = offset;
+ __entry->len = len;
+ ),
+
+ TP_printk("dev %d,%d ino %lu offset %lld len %lld",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ __entry->offset, __entry->len)
+);
+
TRACE_EVENT(ext4_unlink_enter,
TP_PROTO(struct inode *parent, struct dentry *dentry),