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-rw-r--r--fs/dlm/Kconfig9
-rw-r--r--fs/dlm/lockspace.c11
-rw-r--r--fs/dlm/user.c8
3 files changed, 27 insertions, 1 deletions
diff --git a/fs/dlm/Kconfig b/fs/dlm/Kconfig
index ee92634196a8..1105ce3c80cb 100644
--- a/fs/dlm/Kconfig
+++ b/fs/dlm/Kconfig
@@ -9,6 +9,15 @@ menuconfig DLM
A general purpose distributed lock manager for kernel or userspace
applications.
+config DLM_DEPRECATED_API
+ bool "DLM deprecated API"
+ depends on DLM
+ help
+ Enables deprecated DLM timeout features that will be removed in
+ later Linux kernel releases.
+
+ If you are unsure, say N.
+
config DLM_DEBUG
bool "DLM debugging"
depends on DLM
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index ca1eca0809d4..d6af6186f055 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -489,8 +489,17 @@ static int new_lockspace(const char *name, const char *cluster,
ls->ls_ops_arg = ops_arg;
}
- if (flags & DLM_LSFL_TIMEWARN)
+ if (flags & DLM_LSFL_TIMEWARN) {
+#ifdef CONFIG_DLM_DEPRECATED_API
+ pr_warn_once("===============================================================\n"
+ "WARNING: the dlm DLM_LSFL_TIMEWARN flag is being deprecated and\n"
+ " will be removed in v6.2!\n"
+ " Inclusive DLM_LSFL_TIMEWARN define in UAPI header!\n"
+ "===============================================================\n");
+#endif
+
set_bit(LSFL_TIMEWARN, &ls->ls_flags);
+ }
/* ls_exflags are forced to match among nodes, and we don't
need to require all nodes to have some flags set */
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 4b2a24a6a15d..32452d7a466c 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -250,6 +250,14 @@ static int device_user_lock(struct dlm_user_proc *proc,
goto out;
}
+#ifdef CONFIG_DLM_DEPRECATED_API
+ if (params->timeout)
+ pr_warn_once("========================================================\n"
+ "WARNING: the lkb timeout feature is being deprecated and\n"
+ " will be removed in v6.2!\n"
+ "========================================================\n");
+#endif
+
ua = kzalloc(sizeof(struct dlm_user_args), GFP_NOFS);
if (!ua)
goto out;