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authorDenis V. Lunev <den@openvz.org>2008-04-29 01:02:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:20 -0700
commit46fe74f2aed615c8c88164f4346b79c30cfd7c3d (patch)
treef07061c8847beb394c1c4d260cb6a3392ea53c8d /fs
parent21ac295b42b8bdc3d677aba6bd7308a38de28a9b (diff)
ext4: use non-racy method for proc entries creation
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: <linux-ext4@vger.kernel.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/mballoc.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 1efcb934c2d6..9d57695de746 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2449,17 +2449,10 @@ static void ext4_mb_history_init(struct super_block *sb)
int i;
if (sbi->s_mb_proc != NULL) {
- struct proc_dir_entry *p;
- p = create_proc_entry("mb_history", S_IRUGO, sbi->s_mb_proc);
- if (p) {
- p->proc_fops = &ext4_mb_seq_history_fops;
- p->data = sb;
- }
- p = create_proc_entry("mb_groups", S_IRUGO, sbi->s_mb_proc);
- if (p) {
- p->proc_fops = &ext4_mb_seq_groups_fops;
- p->data = sb;
- }
+ proc_create_data("mb_history", S_IRUGO, sbi->s_mb_proc,
+ &ext4_mb_seq_history_fops, sb);
+ proc_create_data("mb_groups", S_IRUGO, sbi->s_mb_proc,
+ &ext4_mb_seq_groups_fops, sb);
}
sbi->s_mb_history_max = 1000;