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Subject[PATCH 15/18] staging/lustre/obdclass: runtime load lustre client when needed
Date
From: Bob Glossman <bob.glossman@intel.com>

Manually force loading of lustre.ko during client
mounts with request_module for cases where
autoloading doesn't happen.

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-on: http://review.whamcloud.com/10587
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4800
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
---
drivers/staging/lustre/lustre/obdclass/obd_mount.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
index 03d9a6a..4e77f07 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
@@ -1216,7 +1216,9 @@ int lustre_fill_super(struct super_block *sb, void *data, int silent)

if (lmd_is_client(lmd)) {
CDEBUG(D_MOUNT, "Mounting client %s\n", lmd->lmd_profile);
- if (!client_fill_super) {
+ if (client_fill_super == NULL)
+ request_module("lustre");
+ if (client_fill_super == NULL) {
LCONSOLE_ERROR_MSG(0x165, "Nothing registered for "
"client mount! Is the 'lustre' "
"module loaded?\n");
@@ -1299,6 +1301,7 @@ struct file_system_type lustre_fs_type = {
.fs_flags = FS_BINARY_MOUNTDATA | FS_REQUIRES_DEV |
FS_HAS_FIEMAP | FS_RENAME_DOES_D_MOVE,
};
+MODULE_ALIAS_FS("lustre");

int lustre_register_fs(void)
{
--
1.9.0


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