From: "Denis V. Lunev" <den@xxxxxxxxxx>
Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.
Signed-off-by: Denis V. Lunev <den@xxxxxxxxxx>
Cc: <linux-ext4@xxxxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/jbd2/journal.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff -puN fs/jbd2/journal.c~jbd2-use-non-racy-method-for-proc-entries-creation fs/jbd2/journal.c
--- a/fs/jbd2/journal.c~jbd2-use-non-racy-method-for-proc-entries-creation
+++ a/fs/jbd2/journal.c
@@ -904,19 +904,10 @@ static void jbd2_stats_proc_init(journal
snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name));
journal->j_proc_entry = proc_mkdir(name, proc_jbd2_stats);
if (journal->j_proc_entry) {
- struct proc_dir_entry *p;
- p = create_proc_entry("history", S_IRUGO,
- journal->j_proc_entry);
- if (p) {
- p->proc_fops = &jbd2_seq_history_fops;
- p->data = journal;
- p = create_proc_entry("info", S_IRUGO,
- journal->j_proc_entry);
- if (p) {
- p->proc_fops = &jbd2_seq_info_fops;
- p->data = journal;
- }
- }
+ proc_create_data("history", S_IRUGO, journal->j_proc_entry,
+ &jbd2_seq_history_fops, journal);
+ proc_create_data("info", S_IRUGO, journal->j_proc_entry,
+ &jbd2_seq_info_fops, journal);
}
}
_
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
