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0f37d0c8be
Commit torvalds/linux@2233f31aad replaced ->readdir() with ->iterate() in struct file_operations. All filesystems must now use the new ->iterate method. To handle this the code was reworked to use the new ->iterate interface. Care was taken to keep the majority of changes confined to the ZPL layer which is already Linux specific. However, minor changes were required to the common zfs_readdir() function. Compatibility with older kernels was accomplished by adding versions of the trivial dir_emit* helper functions. Also the various *_readdir() functions were reworked in to wrappers which create a dir_context structure to pass to the new *_iterate() functions. Unfortunately, the new dir_emit* functions prevent us from passing a private pointer to the filldir function. The xattr directory code leveraged this ability through zfs_readdir() to generate the list of xattr names. Since we can no longer use zfs_readdir() a simplified zpl_xattr_readdir() function was added to perform the same task. Signed-off-by: Richard Yao <ryao@cs.stonybrook.edu> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #1653 Issue #1591
88 lines
3.7 KiB
C
88 lines
3.7 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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#ifndef _SYS_FS_ZFS_VNOPS_H
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#define _SYS_FS_ZFS_VNOPS_H
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#include <sys/vnode.h>
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#include <sys/xvattr.h>
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#include <sys/uio.h>
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#include <sys/cred.h>
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#include <sys/fcntl.h>
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#include <sys/pathname.h>
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#include <sys/zpl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int zfs_open(struct inode *ip, int mode, int flag, cred_t *cr);
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extern int zfs_close(struct inode *ip, int flag, cred_t *cr);
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extern int zfs_holey(struct inode *ip, int cmd, loff_t *off);
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extern int zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
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extern int zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
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extern int zfs_access(struct inode *ip, int mode, int flag, cred_t *cr);
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extern int zfs_lookup(struct inode *dip, char *nm, struct inode **ipp,
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int flags, cred_t *cr, int *direntflags, pathname_t *realpnp);
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extern int zfs_create(struct inode *dip, char *name, vattr_t *vap, int excl,
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int mode, struct inode **ipp, cred_t *cr, int flag, vsecattr_t *vsecp);
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extern int zfs_remove(struct inode *dip, char *name, cred_t *cr);
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extern int zfs_mkdir(struct inode *dip, char *dirname, vattr_t *vap,
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struct inode **ipp, cred_t *cr, int flags, vsecattr_t *vsecp);
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extern int zfs_rmdir(struct inode *dip, char *name, struct inode *cwd,
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cred_t *cr, int flags);
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extern int zfs_readdir(struct inode *ip, struct dir_context *ctx, cred_t *cr);
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extern int zfs_fsync(struct inode *ip, int syncflag, cred_t *cr);
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extern int zfs_getattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr);
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extern int zfs_getattr_fast(struct inode *ip, struct kstat *sp);
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extern int zfs_setattr(struct inode *ip, vattr_t *vap, int flag, cred_t *cr);
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extern int zfs_rename(struct inode *sdip, char *snm, struct inode *tdip,
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char *tnm, cred_t *cr, int flags);
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extern int zfs_symlink(struct inode *dip, char *name, vattr_t *vap,
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char *link, struct inode **ipp, cred_t *cr, int flags);
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extern int zfs_follow_link(struct dentry *dentry, struct nameidata *nd);
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extern int zfs_readlink(struct inode *ip, uio_t *uio, cred_t *cr);
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extern int zfs_link(struct inode *tdip, struct inode *sip,
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char *name, cred_t *cr);
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extern void zfs_inactive(struct inode *ip);
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extern int zfs_space(struct inode *ip, int cmd, flock64_t *bfp, int flag,
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offset_t offset, cred_t *cr);
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extern int zfs_fid(struct inode *ip, fid_t *fidp);
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extern int zfs_getsecattr(struct inode *ip, vsecattr_t *vsecp, int flag,
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cred_t *cr);
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extern int zfs_setsecattr(struct inode *ip, vsecattr_t *vsecp, int flag,
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cred_t *cr);
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extern int zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages);
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extern int zfs_putpage(struct inode *ip, struct page *pp,
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struct writeback_control *wbc);
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extern int zfs_dirty_inode(struct inode *ip, int flags);
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extern int zfs_map(struct inode *ip, offset_t off, caddr_t *addrp,
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size_t len, unsigned long vm_flags);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_FS_ZFS_VNOPS_H */
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