fix: ext4: limit the length of per-inode prealloc list (v5.9)

[lttng-modules.git] / instrumentation / events / lttng-module / ext4.h

diff --git a/instrumentation/events/lttng-module/ext4.h b/instrumentation/events/lttng-module/ext4.h
index 5f7ab280c6268614ad2e47e416e3878d23dbc525..72ad4c9f23751bce4a9c43dc3b270c167917126c 100644 (file)
--- a/instrumentation/events/lttng-module/ext4.h
+++ b/instrumentation/events/lttng-module/ext4.h
@@ -460,6 +460,20 @@ LTTNG_TRACEPOINT_EVENT(ext4_mb_release_group_pa,
 )
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
+LTTNG_TRACEPOINT_EVENT(ext4_discard_preallocations,
+       TP_PROTO(struct inode *inode, unsigned int len, unsigned int needed),
+
+       TP_ARGS(inode, len, needed),
+
+       TP_FIELDS(
+               ctf_integer(dev_t, dev, inode->i_sb->s_dev)
+               ctf_integer(ino_t, ino, inode->i_ino)
+               ctf_integer(unsigned int, len, len)
+               ctf_integer(unsigned int, needed, needed)
+       )
+)
+#else
 LTTNG_TRACEPOINT_EVENT(ext4_discard_preallocations,
        TP_PROTO(struct inode *inode),
 
@@ -470,6 +484,7 @@ LTTNG_TRACEPOINT_EVENT(ext4_discard_preallocations,
                ctf_integer(ino_t, ino, inode->i_ino)
        )
 )
+#endif
 
 LTTNG_TRACEPOINT_EVENT(ext4_mb_discard_preallocations,
        TP_PROTO(struct super_block *sb, int needed),