Fix: ext4_discard_preallocations changed in linux 6.8.0-rc3

See upstream commit:

    commit f0e54b6087de9571ec61c189d6c378b81edbe3b2
    Author: Kemeng Shi <shikemeng@huaweicloud.com>
    Date:   Fri Jan 5 17:21:02 2024 +0800

        ext4: remove 'needed' in trace_ext4_discard_preallocations

        As 'needed' to trace_ext4_discard_preallocations is always 0 which
        is meaningless. Just remove it.

Change-Id: Ib6b698ca553c4beebd4ca791c83bbbb927901758
Signed-off-by: Kienan Stewart <kstewart@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/include/instrumentation/events/ext4.h b/include/instrumentation/events/ext4.h
index 222416ec008c6d8774c6e2a0f07976d3918bb92b..05a64539440fa894ee8db06f803dbcf5ee90908e 100644 (file)
--- a/include/instrumentation/events/ext4.h
+++ b/include/instrumentation/events/ext4.h
@@ -490,7 +490,19 @@ LTTNG_TRACEPOINT_EVENT(ext4_mb_release_group_pa,
 )
 #endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,8,0))
+LTTNG_TRACEPOINT_EVENT(ext4_discard_preallocations,
+       TP_PROTO(struct inode *inode, unsigned int len),
+
+       TP_ARGS(inode, len),
+
+       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)
+       )
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
        LTTNG_KERNEL_RANGE(5,8,6, 5,9,0))
 LTTNG_TRACEPOINT_EVENT(ext4_discard_preallocations,
        TP_PROTO(struct inode *inode, unsigned int len, unsigned int needed),