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Message-Id: <20080208222700.ED4BBA81@kernel> Date: Fri, 08 Feb 2008 14:27:00 -0800 From: Dave Hansen <haveblue@...ibm.com> To: linux-kernel@...r.kernel.org Cc: hch@....de, viro@...IV.linux.org.uk, viro@....linux.org.uk, miklos@...redi.hu, Dave Hansen <haveblue@...ibm.com> Subject: [RFC][PATCH 10/30] r/o bind mounts: elevate write count for vfs_rmdir() Elevate the write count during the vfs_rmdir() call. Signed-off-by: Dave Hansen <haveblue@...ibm.com> Acked-by: Christoph Hellwig <hch@...radead.org> Acked-by: Serge Hallyn <serue@...ibm.com> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> --- linux-2.6.git-dave/fs/namei.c | 5 +++++ 1 file changed, 5 insertions(+) diff -puN fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count fs/namei.c --- linux-2.6.git/fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count 2008-02-08 13:04:49.000000000 -0800 +++ linux-2.6.git-dave/fs/namei.c 2008-02-08 13:04:49.000000000 -0800 @@ -2187,7 +2187,12 @@ 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); _ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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