Commit 7c7298cf authored Aug 18, 2010 by Harsh Prateek Bora Committed by Eric Van Hensbergen Oct 28, 2010

fs/9p: mkdir fix for setting S_ISGID bit as per parent directory



The current implementation of 9p client mkdir function does not
set the S_ISGID mode bit for the directory being created if the
parent directory has this bit set. This patch fixes this problem
so that the newly created directory inherits the gid from parent
directory and not from the process creating this directory, when
the S_ISGID bit is set in parent directory.

Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

parent 8812a3d5

fs/9p/vfs_inode.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -876,6 +876,8 @@ static int v9fs_vfs_mkdir_dotl(struct inode dir, struct dentry dentry,
		v9ses = v9fs_inode2v9ses(dir);

		mode \|= S_IFDIR;
		if (dir->i_mode & S_ISGID)
		mode \|= S_ISGID;
		dir_dentry = v9fs_dentry_from_dir_inode(dir);
		dfid = v9fs_fid_lookup(dir_dentry);
		if (IS_ERR(dfid)) {

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