[PATCH 1/3] fs: dlm: Simplify buffer size computation in dlm_create_debug_file()

From: Christophe JAILLET
Date: Fri Sep 22 2023 - 13:32:15 EST


Use sizeof(name) instead of the equivalent, but hard coded,
DLM_LOCKSPACE_LEN + 8.

This is less verbose and more future proof.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
fs/dlm/debug_fs.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 5aabcb6f0f15..e9726c6cbdf2 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -986,7 +986,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
/* format 2 */

memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_locks", ls->ls_name);
+ snprintf(name, sizeof(name), "%s_locks", ls->ls_name);

ls->ls_debug_locks_dentry = debugfs_create_file(name,
0644,
@@ -997,7 +997,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
/* format 3 */

memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_all", ls->ls_name);
+ snprintf(name, sizeof(name), "%s_all", ls->ls_name);

ls->ls_debug_all_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
@@ -1008,7 +1008,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
/* format 4 */

memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_toss", ls->ls_name);
+ snprintf(name, sizeof(name), "%s_toss", ls->ls_name);

ls->ls_debug_toss_dentry = debugfs_create_file(name,
S_IFREG | S_IRUGO,
@@ -1017,7 +1017,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
&format4_fops);

memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_waiters", ls->ls_name);
+ snprintf(name, sizeof(name), "%s_waiters", ls->ls_name);

ls->ls_debug_waiters_dentry = debugfs_create_file(name,
0644,
@@ -1028,7 +1028,7 @@ void dlm_create_debug_file(struct dlm_ls *ls)
/* format 5 */

memset(name, 0, sizeof(name));
- snprintf(name, DLM_LOCKSPACE_LEN + 8, "%s_queued_asts", ls->ls_name);
+ snprintf(name, sizeof(name), "%s_queued_asts", ls->ls_name);

ls->ls_debug_queued_asts_dentry = debugfs_create_file(name,
0644,
--
2.34.1