@@ -3478,6 +3478,8 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
if (!S_ISREG(inode->i_mode))
return -EOPNOTSUPP;
+ trace_ext4_punch_hole(inode, offset, length);
+
if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
return ext4_ind_punch_hole(file, offset, length);
@@ -1311,6 +1311,31 @@ 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),