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Commit b96d31a6 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Steve French
Browse files

cifs: clean up set_cifs_acl interfaces 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarShirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 1bf4072d

fs/cifs/cifsacl.c

+41 −37
Original line number Diff line number Diff line
@@ -612,57 +612,61 @@ static struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb, 
	return pntsd;

}



/* Set an ACL on the server */

static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,

				struct inode *inode, const char *path)

static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,

		struct cifs_ntsd *pnntsd, u32 acllen)

{

	struct cifsFileInfo *open_file;

	bool unlock_file = false;

	int xid;

	int rc = -EIO;

	__u16 fid;

	struct super_block *sb;

	struct cifs_sb_info *cifs_sb;

	int xid, rc;



	cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));

	xid = GetXid();

	rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);

	FreeXid(xid);



	if (!inode)

	cFYI(DBG2, ("SetCIFSACL rc = %d", rc));

	return rc;

}



	sb = inode->i_sb;

	if (sb == NULL)

		return rc;

static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,

		struct cifs_ntsd *pnntsd, u32 acllen)

{

	int oplock = 0;

	int xid, rc;

	__u16 fid;



	cifs_sb = CIFS_SB(sb);

	xid = GetXid();



	open_file = find_readable_file(CIFS_I(inode));

	if (open_file) {

		unlock_file = true;

		fid = open_file->netfid;

	} else {

		int oplock = 0;

		/* open file */

		rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,

				WRITE_DAC, 0, &fid, &oplock, NULL,

				cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &

					CIFS_MOUNT_MAP_SPECIAL_CHR);

		if (rc != 0) {

	rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,

			 &fid, &oplock, NULL, cifs_sb->local_nls,

			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);

	if (rc) {

		cERROR(1, ("Unable to open file to set ACL"));

			FreeXid(xid);

			return rc;

		}

		goto out;

	}



	rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);

	cFYI(DBG2, ("SetCIFSACL rc = %d", rc));

	if (unlock_file)

		atomic_dec(&open_file->wrtPending);

	else

		CIFSSMBClose(xid, cifs_sb->tcon, fid);



	CIFSSMBClose(xid, cifs_sb->tcon, fid);

 out:

	FreeXid(xid);

	return rc;

}



/* Set an ACL on the server */

static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,

				struct inode *inode, const char *path)

{

	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);

	struct cifsFileInfo *open_file;

	int rc;



	cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));



	open_file = find_readable_file(CIFS_I(inode));

	if (!open_file)

		return set_cifs_acl_by_path(cifs_sb, path, pnntsd, acllen);



	rc = set_cifs_acl_by_fid(cifs_sb, open_file->netfid, pnntsd, acllen);

	atomic_dec(&open_file->wrtPending);

	return rc;

}