From: Luo Meng luomeng12@huawei.com
hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I61HSS CVE: NA
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Add DMINFO() to help tracking device creation/removal success.
Signed-off-by: Luo Meng luomeng12@huawei.com Reviewed-by: Zhang Yi yi.zhang@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/md/dm-ioctl.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index b012a2748af8..2186a3a4e48b 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -272,6 +272,9 @@ static struct dm_table *__hash_remove(struct hash_cell *hc) table = NULL; if (hc->new_map) table = hc->new_map; + + DMINFO("%s[%i]: %s (%s) is removed successfully", + current->comm, current->pid, hc->md->disk->disk_name, hc->name); dm_put(hc->md); free_cell(hc);
@@ -773,6 +776,7 @@ static int dev_create(struct file *filp, struct dm_ioctl *param, size_t param_si { int r, m = DM_ANY_MINOR; struct mapped_device *md; + struct hash_cell *hc;
r = check_name(param->name); if (r) @@ -796,6 +800,9 @@ static int dev_create(struct file *filp, struct dm_ioctl *param, size_t param_si
__dev_status(md, param);
+ hc = dm_get_mdptr(md); + DMINFO("%s[%i]: %s (%s) is created successfully", + current->comm, current->pid, md->disk->disk_name, hc->name); dm_put(md);
return 0;