freebsd-dev/include/sys/zfs_vnops.h
Brian Behlendorf 0a50679ce9 Add zfs_iput_async() interface
Handle all iputs in zfs_purgedir() and zfs_inode_destroy()
asynchronously to prevent deadlocks.  When the iputs are allowed
to run synchronously in the destroy call path deadlocks between
xattr directory inodes and their parent file inodes are possible.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Closes #457
2014-08-11 16:11:43 -07:00

89 lines
3.7 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_FS_ZFS_VNOPS_H
#define _SYS_FS_ZFS_VNOPS_H
#include <sys/vnode.h>
#include <sys/xvattr.h>
#include <sys/uio.h>
#include <sys/cred.h>
#include <sys/fcntl.h>
#include <sys/pathname.h>
#include <sys/zpl.h>
#ifdef __cplusplus
extern "C" {
#endif
extern int zfs_open(struct inode *ip, int mode, int flag, cred_t *cr);
extern int zfs_close(struct inode *ip, int flag, cred_t *cr);
extern int zfs_holey(struct inode *ip, int cmd, loff_t *off);
extern int zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
extern int zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
extern int zfs_access(struct inode *ip, int mode, int flag, cred_t *cr);
extern int zfs_lookup(struct inode *dip, char *nm, struct inode **ipp,
int flags, cred_t *cr, int *direntflags, pathname_t *realpnp);
extern int zfs_create(struct inode *dip, char *name, vattr_t *vap, int excl,
int mode, struct inode **ipp, cred_t *cr, int flag, vsecattr_t *vsecp);
extern int zfs_remove(struct inode *dip, char *name, cred_t *cr);
extern int zfs_mkdir(struct inode *dip, char *dirname, vattr_t *vap,
struct inode **ipp, cred_t *cr, int flags, vsecattr_t *vsecp);
extern int zfs_rmdir(struct inode *dip, char *name, struct inode *cwd,
cred_t *cr, int flags);
extern int zfs_readdir(struct inode *ip, struct dir_context *ctx, cred_t *cr);
extern int zfs_fsync(struct inode *ip, int syncflag, cred_t *cr);
extern int zfs_getattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr);
extern int zfs_getattr_fast(struct inode *ip, struct kstat *sp);
extern int zfs_setattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr);
extern int zfs_rename(struct inode *sdip, char *snm, struct inode *tdip,
char *tnm, cred_t *cr, int flags);
extern int zfs_symlink(struct inode *dip, char *name, vattr_t *vap,
char *link, struct inode **ipp, cred_t *cr, int flags);
extern int zfs_follow_link(struct dentry *dentry, struct nameidata *nd);
extern int zfs_readlink(struct inode *ip, uio_t *uio, cred_t *cr);
extern int zfs_link(struct inode *tdip, struct inode *sip,
char *name, cred_t *cr);
extern void zfs_inactive(struct inode *ip);
extern int zfs_space(struct inode *ip, int cmd, flock64_t *bfp, int flag,
offset_t offset, cred_t *cr);
extern int zfs_fid(struct inode *ip, fid_t *fidp);
extern int zfs_getsecattr(struct inode *ip, vsecattr_t *vsecp, int flag,
cred_t *cr);
extern int zfs_setsecattr(struct inode *ip, vsecattr_t *vsecp, int flag,
cred_t *cr);
extern int zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages);
extern int zfs_putpage(struct inode *ip, struct page *pp,
struct writeback_control *wbc);
extern int zfs_dirty_inode(struct inode *ip, int flags);
extern int zfs_map(struct inode *ip, offset_t off, caddr_t *addrp,
size_t len, unsigned long vm_flags);
extern void zfs_iput_async(struct inode *ip);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FS_ZFS_VNOPS_H */