lkml.org 
[lkml]   [2008]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 7/29] jbd2: use non-racy method for proc entries creation
Date
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@openvz.org>
CC: sct@redhat.com
CC: adilger@clusterfs.com
CC: linux-ext4@vger.kernel.org
---
fs/jbd2/journal.c | 17 ++++-------------
1 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 6ea7801..255e0dc 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -904,19 +904,10 @@ static void jbd2_stats_proc_init(journal_t *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);
}
}

--
1.5.3.rc5


\
 
 \ /
  Last update: 2008-04-08 13:29    [W:0.103 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site