From: Dave Hansen <haveblue@us.ibm.com>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org, hch@infradead.org,
Dave Hansen <haveblue@us.ibm.com>
Subject: [PATCH 22/24] do_rmdir(): elevate write count
Date: Mon, 17 Sep 2007 11:27:47 -0700 [thread overview]
Message-ID: <20070917182747.9A3B809F@kernel> (raw)
In-Reply-To: <20070917182718.70494C9B@kernel>
Elevate the write count during the vfs_rmdir() call.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
---
lxc-dave/fs/namei.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN fs/namei.c~do-rmdir-elevate-write-count fs/namei.c
--- lxc/fs/namei.c~do-rmdir-elevate-write-count 2007-09-17 09:44:09.000000000 -0700
+++ lxc-dave/fs/namei.c 2007-09-17 09:44:09.000000000 -0700
@@ -2173,7 +2173,12 @@ static long do_rmdir(int dfd, const char
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
+ error = mnt_want_write(nd.mnt);
+ if (error)
+ goto exit3;
error = vfs_rmdir(nd.dentry->d_inode, dentry);
+ mnt_drop_write(nd.mnt);
+exit3:
dput(dentry);
exit2:
mutex_unlock(&nd.dentry->d_inode->i_mutex);
_
next prev parent reply other threads:[~2007-09-17 18:34 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-17 18:27 [PATCH 00/24] Read-only bind mounts Dave Hansen
2007-09-17 18:27 ` [PATCH 01/24] filesystem helpers for custom 'struct file's Dave Hansen
2007-09-19 17:26 ` Christoph Hellwig
2007-09-19 17:47 ` [PATCH] docuement " Dave Hansen
2007-09-19 22:07 ` Randy Dunlap
2007-09-20 17:25 ` Dave Hansen
2007-09-20 17:30 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 02/24] rearrange may_open() to be r/o friendly Dave Hansen
2007-09-19 17:27 ` Christoph Hellwig
2007-09-20 18:47 ` Dave Hansen
2007-09-17 18:27 ` [PATCH 03/24] create cleanup helper svc_msnfs() Dave Hansen
2007-09-19 17:28 ` Christoph Hellwig
2007-09-19 17:39 ` Jan Engelhardt
2007-09-19 17:45 ` Dave Hansen
2007-09-19 17:54 ` Trond Myklebust
2007-09-19 17:59 ` Christoph Hellwig
2007-09-19 18:10 ` Trond Myklebust
2007-09-17 18:27 ` [PATCH 04/24] r/o bind mounts: stub functions Dave Hansen
2007-09-19 17:28 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 05/24] elevate write count open()'d files Dave Hansen
2007-09-19 17:30 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 06/24] r/o bind mounts: elevate write count for some ioctls Dave Hansen
2007-09-19 17:31 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 07/24] elevate writer count for chown and friends Dave Hansen
2007-09-19 17:31 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 08/24] make access() use mnt check Dave Hansen
2007-09-19 17:32 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 09/24] elevate mnt writers for callers of vfs_mkdir() Dave Hansen
2007-09-19 17:32 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 10/24] elevate write count during entire ncp_ioctl() Dave Hansen
2007-09-19 17:33 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 11/24] elevate write count for link and symlink calls Dave Hansen
2007-09-19 17:33 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 12/24] elevate mount count for extended attributes Dave Hansen
2007-09-19 17:34 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 13/24] elevate write count for file_update_time() Dave Hansen
2007-09-19 17:35 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 14/24] unix_find_other() elevate write count for touch_atime() Dave Hansen
2007-09-19 17:35 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 15/24] elevate write count over calls to vfs_rename() Dave Hansen
2007-09-19 17:35 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 16/24] nfs: check mnt instead of superblock directly Dave Hansen
2007-09-19 17:36 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 17/24] elevate writer count for do_sys_truncate() Dave Hansen
2007-09-19 17:36 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 18/24] elevate write count for do_utimes() Dave Hansen
2007-09-19 17:36 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 19/24] elevate write count for do_sys_utime() and touch_atime() Dave Hansen
2007-09-19 17:36 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 20/24] sys_mknodat(): elevate write count for vfs_mknod/create() Dave Hansen
2007-09-19 17:38 ` Christoph Hellwig
2007-09-17 18:27 ` [PATCH 21/24] elevate mnt writers for vfs_unlink() callers Dave Hansen
2007-09-19 17:38 ` Christoph Hellwig
2007-09-17 18:27 ` Dave Hansen [this message]
2007-09-19 17:39 ` [PATCH 22/24] do_rmdir(): elevate write count Christoph Hellwig
2007-09-19 14:21 ` [PATCH 00/24] Read-only bind mounts Serge E. Hallyn
2007-09-19 17:44 ` Christoph Hellwig
2007-09-19 21:24 ` Andrew Morton
2007-09-19 21:56 ` Dave Hansen
2007-09-19 22:06 ` Andrew Morton
2007-09-20 9:58 ` Miklos Szeredi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070917182747.9A3B809F@kernel \
--to=haveblue@us.ibm.com \
--cc=akpm@osdl.org \
--cc=hch@infradead.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox