linux-ext4 - + ext4-use-non-racy-method-for-proc-entries-creation.patch added to -mm tree

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Message-Id: <200804152356.m3FNu3ih022500@imap1.linux-foundation.org>
Date:	Tue, 15 Apr 2008 16:56:03 -0700
From:	akpm@...ux-foundation.org
To:	mm-commits@...r.kernel.org
Cc:	den@...nvz.org, adobriyan@...il.com, ebiederm@...ssion.com,
	linux-ext4@...r.kernel.org
Subject: + ext4-use-non-racy-method-for-proc-entries-creation.patch added to -mm tree


The patch titled
     ext4: use non-racy method for proc entries creation
has been added to the -mm tree.  Its filename is
     ext4-use-non-racy-method-for-proc-entries-creation.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: ext4: use non-racy method for proc entries creation
From: "Denis V. Lunev" <den@...nvz.org>

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@...nvz.org>
Cc: <linux-ext4@...r.kernel.org>
Cc: Alexey Dobriyan <adobriyan@...il.com>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 fs/ext4/mballoc.c |   15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff -puN fs/ext4/mballoc.c~ext4-use-non-racy-method-for-proc-entries-creation fs/ext4/mballoc.c
--- a/fs/ext4/mballoc.c~ext4-use-non-racy-method-for-proc-entries-creation
+++ a/fs/ext4/mballoc.c
@@ -2455,17 +2455,10 @@ static void ext4_mb_history_init(struct 
 	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;
_

Patches currently in -mm which might be from den@...nvz.org are

git-net.patch
proc-introduce-proc_create_data-to-setup-de-data.patch
nfsd-use-proc_create-to-setup-de-proc_fops.patch
nfs-use-proc_create-to-setup-de-proc_fops.patch
afs-use-non-racy-method-for-proc-entries-creation.patch
ext4-use-non-racy-method-for-proc-entries-creation.patch
reiserfs-use-non-racy-method-for-proc-entries-creation.patch
jbd2-use-non-racy-method-for-proc-entries-creation.patch
sysvipc-use-non-racy-method-for-proc-entries-creation.patch
mm-use-non-racy-method-for-proc-swaps-creation.patch
sound-use-non-racy-method-for-proc-driver-snd-page-alloc-creation.patch
zorro-use-non-racy-method-for-proc-entries-creation.patch
samples-use-non-racy-method-for-proc-marker-example-creation.patch
scsi-use-non-racy-method-for-proc-entries-creation.patch
usb-use-non-racy-method-for-proc-entries-creation.patch
s390-use-non-racy-method-for-proc-entries-creation.patch
arm-use-non-racy-method-for-proc-davinci_clocks-creation.patch
avr32-proc-use-non-racy-method-for-proc-tlb-creation.patch
cris-use-non-racy-method-for-proc-system_profile-creation.patch
ia64-use-non-racy-method-for-proc-entries-creation.patch
parisc-use-non-racy-method-for-proc-pcxl_dma-creation.patch
powerpc-use-non-racy-method-for-proc-entries-creation.patch
acpi-use-non-racy-method-for-proc-entries-creation.patch
netdev-use-non-racy-method-for-proc-entries-creation.patch
isdn-use-non-racy-method-for-proc-entries-creation.patch
kernel-use-non-racy-method-for-proc-entries-creation.patch
parisc-use-non-racy-method-for-proc-entries-creation.patch
drivers-use-non-racy-method-for-proc-entries-creation.patch
drivers-use-non-racy-method-for-proc-entries-creation-2.patch
sysctl-merge-equal-proc_sys_read-and-proc_sys_write.patch
sysctl-clean-from-unneeded-extern-and-forward-declarations.patch
sysctl-add-the-permissions-callback-on-the-ctl_table_root.patch
proc-use-non-racy-method-for-proc-page_owner-creation-page_owner.patch

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