[mirror_zfs.git] / module / zfs / zpl_inode.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) 2011, Lawrence Livermore National Security, LLC.
 */


#include <sys/zfs_vfsops.h>
#include <sys/zfs_vnops.h>
#include <sys/vfs.h>
#include <sys/zpl.h>


static struct dentry *
zpl_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
{
	cred_t *cr = CRED();
	struct inode *ip;
	int error;

	crhold(cr);
	error = -zfs_lookup(dir, dname(dentry), &ip, 0, cr, NULL, NULL);
	ASSERT3S(error, <=, 0);
	crfree(cr);

	if (error) {
		if (error == -ENOENT)
			return d_splice_alias(NULL, dentry);
		else
			return ERR_PTR(error);
	}

	return d_splice_alias(ip, dentry);
}

static int
zpl_create(struct inode *dir, struct dentry *dentry, int mode,
    struct nameidata *nd)
{
	cred_t *cr = CRED();
	struct inode *ip;
	vattr_t *vap;
	int error;

	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	vap->va_mode = mode;
	vap->va_mask = ATTR_MODE;
	vap->va_uid = crgetfsuid(cr);
	vap->va_gid = crgetfsgid(cr);
	vap->va_dentry = dentry;

	error = -zfs_create(dir, (char *)dentry->d_name.name,
	    vap, 0, mode, &ip, cr, 0, NULL);
	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
{
	cred_t *cr = CRED();
	struct inode *ip;
	vattr_t *vap;
	int error;

	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	vap->va_mode = mode;
	vap->va_mask = ATTR_MODE;
	vap->va_rdev = rdev;
	vap->va_uid = crgetfsuid(cr);
	vap->va_gid = crgetfsgid(cr);
	vap->va_dentry = dentry;

	error = -zfs_create(dir, (char *)dentry->d_name.name,
	    vap, 0, mode, &ip, cr, 0, NULL);
	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (-error);
}

static int
zpl_unlink(struct inode *dir, struct dentry *dentry)
{
	cred_t *cr = CRED();
	int error;

	crhold(cr);
	error = -zfs_remove(dir, dname(dentry), cr);
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
	cred_t *cr = CRED();
	vattr_t *vap;
	struct inode *ip;
	int error;

	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	vap->va_mode = S_IFDIR | mode;
	vap->va_mask = ATTR_MODE;
	vap->va_uid = crgetfsuid(cr);
	vap->va_gid = crgetfsgid(cr);
	vap->va_dentry = dentry;

	error = -zfs_mkdir(dir, dname(dentry), vap, &ip, cr, 0, NULL);
	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_rmdir(struct inode * dir, struct dentry *dentry)
{
	cred_t *cr = CRED();
	int error;

	crhold(cr);
	error = -zfs_rmdir(dir, dname(dentry), NULL, cr, 0);
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
{
	cred_t *cr = CRED();
	vattr_t *vap;
	struct inode *ip;
	int error;

	ip = dentry->d_inode;
	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);

	error = -zfs_getattr(ip, vap, 0, cr);
	if (error)
		goto out;

	stat->ino = ip->i_ino;
	stat->dev = ip->i_sb->s_dev;
	stat->mode = vap->va_mode;
	stat->nlink = vap->va_nlink;
	stat->uid = vap->va_uid;
	stat->gid = vap->va_gid;
	stat->rdev = vap->va_rdev;
	stat->size = vap->va_size;
	stat->atime = vap->va_atime;
	stat->mtime = vap->va_mtime;
	stat->ctime = vap->va_ctime;
	stat->blksize = vap->va_blksize;
	stat->blocks = vap->va_nblocks;
out:
	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_setattr(struct dentry *dentry, struct iattr *ia)
{
	cred_t *cr = CRED();
	vattr_t *vap;
	int error;

	error = inode_change_ok(dentry->d_inode, ia);
	if (error)
		return (error);

	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	vap->va_mask = ia->ia_valid & ATTR_IATTR_MASK;
	vap->va_mode = ia->ia_mode;
	vap->va_uid = ia->ia_uid;
	vap->va_gid = ia->ia_gid;
	vap->va_size = ia->ia_size;
	vap->va_atime = ia->ia_atime;
	vap->va_mtime = ia->ia_mtime;
	vap->va_ctime = ia->ia_ctime;

	error = -zfs_setattr(dentry->d_inode, vap, 0, cr);

	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_rename(struct inode *sdip, struct dentry *sdentry,
    struct inode *tdip, struct dentry *tdentry)
{
	cred_t *cr = CRED();
	int error;

	crhold(cr);
	error = -zfs_rename(sdip, dname(sdentry), tdip, dname(tdentry), cr, 0);
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static int
zpl_symlink(struct inode *dir, struct dentry *dentry, const char *name)
{
	cred_t *cr = CRED();
	vattr_t *vap;
	struct inode *ip;
	int error;

	crhold(cr);
	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	vap->va_mode = S_IFLNK | S_IRWXUGO;
	vap->va_mask = ATTR_MODE;
	vap->va_uid = crgetfsuid(cr);
	vap->va_gid = crgetfsgid(cr);
	vap->va_dentry = dentry;

	error = -zfs_symlink(dir, dname(dentry), vap, (char *)name, &ip, cr, 0);
	kmem_free(vap, sizeof(vattr_t));
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

static void *
zpl_follow_link(struct dentry *dentry, struct nameidata *nd)
{
	cred_t *cr = CRED();
	struct inode *ip = dentry->d_inode;
	struct iovec iov;
	uio_t uio;
	char *link;
	int error;

	crhold(cr);

	iov.iov_len = MAXPATHLEN;
	iov.iov_base = link = kmem_zalloc(MAXPATHLEN, KM_SLEEP);

	uio.uio_iov = &iov;
	uio.uio_iovcnt = 1;
	uio.uio_resid = (MAXPATHLEN - 1);
	uio.uio_segflg = UIO_SYSSPACE;

	error = -zfs_readlink(ip, &uio, cr);
	if (error) {
		kmem_free(link, MAXPATHLEN);
		nd_set_link(nd, ERR_PTR(error));
	} else {
		nd_set_link(nd, link);
	}

	crfree(cr);
	return (NULL);
}

static void
zpl_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr)
{
	char *link;

	link = nd_get_link(nd);
	if (!IS_ERR(link))
		kmem_free(link, MAXPATHLEN);
}

static int
zpl_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
{
	cred_t *cr = CRED();
	struct inode *ip = old_dentry->d_inode;
	int error;

	if (ip->i_nlink >= ZFS_LINK_MAX)
		return -EMLINK;

	crhold(cr);
	ip->i_ctime = CURRENT_TIME_SEC;
	igrab(ip); /* Use ihold() if available */

	error = -zfs_link(dir, ip, dname(dentry), cr);
	if (error) {
		iput(ip);
		goto out;
	}

	d_instantiate(dentry, ip);
out:
	crfree(cr);
	ASSERT3S(error, <=, 0);

	return (error);
}

const struct inode_operations zpl_inode_operations = {
	.create		= zpl_create,
	.link		= zpl_link,
	.unlink		= zpl_unlink,
	.symlink	= zpl_symlink,
	.mkdir		= zpl_mkdir,
	.rmdir		= zpl_rmdir,
	.mknod		= zpl_mknod,
	.rename		= zpl_rename,
	.setattr	= zpl_setattr,
	.getattr	= zpl_getattr,
	.setxattr	= generic_setxattr,
	.getxattr	= generic_getxattr,
	.removexattr	= generic_removexattr,
	.listxattr	= zpl_xattr_list,
};

const struct inode_operations zpl_dir_inode_operations = {
	.create		= zpl_create,
	.lookup		= zpl_lookup,
	.link		= zpl_link,
	.unlink		= zpl_unlink,
	.symlink	= zpl_symlink,
	.mkdir		= zpl_mkdir,
	.rmdir		= zpl_rmdir,
	.mknod		= zpl_mknod,
	.rename		= zpl_rename,
	.setattr	= zpl_setattr,
	.getattr	= zpl_getattr,
	.setxattr	= generic_setxattr,
	.getxattr	= generic_getxattr,
	.removexattr	= generic_removexattr,
	.listxattr	= zpl_xattr_list,
};

const struct inode_operations zpl_symlink_inode_operations = {
	.readlink	= generic_readlink,
	.follow_link	= zpl_follow_link,
	.put_link	= zpl_put_link,
};

const struct inode_operations zpl_special_inode_operations = {
	.setattr	= zpl_setattr,
	.getattr	= zpl_getattr,
	.setxattr	= generic_setxattr,
	.getxattr	= generic_getxattr,
	.removexattr	= generic_removexattr,
	.listxattr	= zpl_xattr_list,
};
Commit	Line	Data
ee154f01 BB	1	/*
	2	* CDDL HEADER START
	3	*
	4	* The contents of this file are subject to the terms of the
	5	* Common Development and Distribution License (the "License").
	6	* You may not use this file except in compliance with the License.
	7	*
	8	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	9	* or http://www.opensolaris.org/os/licensing.
	10	* See the License for the specific language governing permissions
	11	* and limitations under the License.
	12	*
	13	* When distributing Covered Code, include this CDDL HEADER in each
	14	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	15	* If applicable, add the following below this CDDL HEADER, with the
	16	* fields enclosed by brackets "[]" replaced with your own identifying
	17	* information: Portions Copyright [yyyy] [name of copyright owner]
	18	*
	19	* CDDL HEADER END
	20	*/
	21	/*
	22	* Copyright (c) 2011, Lawrence Livermore National Security, LLC.
	23	*/
	24
	25
	26	#include <sys/zfs_vfsops.h>
	27	#include <sys/zfs_vnops.h>
	28	#include <sys/vfs.h>
	29	#include <sys/zpl.h>
	30
	31
	32	static struct dentry *
	33	zpl_lookup(struct inode dir, struct dentry dentry, struct nameidata *nd)
	34	{
81e97e21	35	cred_t *cr = CRED();
ee154f01	36	struct inode *ip;
ee154f01 BB	37	int error;
ee154f01 BB	38
81e97e21	39	crhold(cr);
ee154f01 BB	40	error = -zfs_lookup(dir, dname(dentry), &ip, 0, cr, NULL, NULL);
ee154f01 BB	41	ASSERT3S(error, <=, 0);
81e97e21	42	crfree(cr);
ee154f01 BB	43
	44	if (error) {
	45	if (error == -ENOENT)
	46	return d_splice_alias(NULL, dentry);
	47	else
	48	return ERR_PTR(error);
	49	}
	50
	51	return d_splice_alias(ip, dentry);
	52	}
	53
	54	static int
	55	zpl_create(struct inode dir, struct dentry dentry, int mode,
	56	struct nameidata *nd)
	57	{
81e97e21	58	cred_t *cr = CRED();
ee154f01 BB	59	struct inode *ip;
	60	vattr_t *vap;
	61	int error;
	62
81e97e21	63	crhold(cr);
ee154f01 BB	64	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	65	vap->va_mode = mode;
	66	vap->va_mask = ATTR_MODE;
81e97e21 BB	67	vap->va_uid = crgetfsuid(cr);
81e97e21 BB	68	vap->va_gid = crgetfsgid(cr);
c85b224f	69	vap->va_dentry = dentry;
ee154f01 BB	70
ee154f01 BB	71	error = -zfs_create(dir, (char *)dentry->d_name.name,
81e97e21	72	vap, 0, mode, &ip, cr, 0, NULL);
ee154f01	73	kmem_free(vap, sizeof(vattr_t));
81e97e21	74	crfree(cr);
ee154f01 BB	75	ASSERT3S(error, <=, 0);
	76
	77	return (error);
	78	}
	79
	80	static int
	81	zpl_mknod(struct inode dir, struct dentry dentry, int mode, dev_t rdev)
	82	{
81e97e21	83	cred_t *cr = CRED();
ee154f01 BB	84	struct inode *ip;
	85	vattr_t *vap;
	86	int error;
	87
81e97e21	88	crhold(cr);
ee154f01 BB	89	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	90	vap->va_mode = mode;
	91	vap->va_mask = ATTR_MODE;
	92	vap->va_rdev = rdev;
81e97e21 BB	93	vap->va_uid = crgetfsuid(cr);
81e97e21 BB	94	vap->va_gid = crgetfsgid(cr);
c85b224f	95	vap->va_dentry = dentry;
ee154f01 BB	96
ee154f01 BB	97	error = -zfs_create(dir, (char *)dentry->d_name.name,
81e97e21	98	vap, 0, mode, &ip, cr, 0, NULL);
ee154f01	99	kmem_free(vap, sizeof(vattr_t));
81e97e21	100	crfree(cr);
ee154f01 BB	101	ASSERT3S(error, <=, 0);
	102
	103	return (-error);
	104	}
	105
	106	static int
	107	zpl_unlink(struct inode dir, struct dentry dentry)
	108	{
81e97e21	109	cred_t *cr = CRED();
ee154f01 BB	110	int error;
ee154f01 BB	111
81e97e21	112	crhold(cr);
ee154f01	113	error = -zfs_remove(dir, dname(dentry), cr);
81e97e21	114	crfree(cr);
ee154f01 BB	115	ASSERT3S(error, <=, 0);
	116
	117	return (error);
	118	}
	119
	120	static int
	121	zpl_mkdir(struct inode dir, struct dentry dentry, int mode)
	122	{
81e97e21	123	cred_t *cr = CRED();
ee154f01 BB	124	vattr_t *vap;
	125	struct inode *ip;
	126	int error;
	127
81e97e21	128	crhold(cr);
ee154f01 BB	129	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	130	vap->va_mode = S_IFDIR \| mode;
	131	vap->va_mask = ATTR_MODE;
81e97e21 BB	132	vap->va_uid = crgetfsuid(cr);
81e97e21 BB	133	vap->va_gid = crgetfsgid(cr);
c85b224f	134	vap->va_dentry = dentry;
ee154f01 BB	135
ee154f01 BB	136	error = -zfs_mkdir(dir, dname(dentry), vap, &ip, cr, 0, NULL);
ee154f01	137	kmem_free(vap, sizeof(vattr_t));
81e97e21	138	crfree(cr);
ee154f01 BB	139	ASSERT3S(error, <=, 0);
	140
	141	return (error);
	142	}
	143
	144	static int
	145	zpl_rmdir(struct inode * dir, struct dentry *dentry)
	146	{
81e97e21	147	cred_t *cr = CRED();
ee154f01 BB	148	int error;
ee154f01 BB	149
81e97e21	150	crhold(cr);
ee154f01	151	error = -zfs_rmdir(dir, dname(dentry), NULL, cr, 0);
81e97e21	152	crfree(cr);
ee154f01 BB	153	ASSERT3S(error, <=, 0);
	154
	155	return (error);
	156	}
	157
	158	static int
	159	zpl_getattr(struct vfsmount mnt, struct dentry dentry, struct kstat *stat)
	160	{
81e97e21	161	cred_t *cr = CRED();
5484965a BB	162	vattr_t *vap;
5484965a BB	163	struct inode *ip;
ee154f01 BB	164	int error;
ee154f01 BB	165
5484965a	166	ip = dentry->d_inode;
81e97e21	167	crhold(cr);
5484965a BB	168	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	169
	170	error = -zfs_getattr(ip, vap, 0, cr);
	171	if (error)
	172	goto out;
	173
	174	stat->ino = ip->i_ino;
53cf50e0	175	stat->dev = ip->i_sb->s_dev;
5484965a BB	176	stat->mode = vap->va_mode;
	177	stat->nlink = vap->va_nlink;
	178	stat->uid = vap->va_uid;
	179	stat->gid = vap->va_gid;
	180	stat->rdev = vap->va_rdev;
	181	stat->size = vap->va_size;
	182	stat->atime = vap->va_atime;
	183	stat->mtime = vap->va_mtime;
	184	stat->ctime = vap->va_ctime;
	185	stat->blksize = vap->va_blksize;
	186	stat->blocks = vap->va_nblocks;
	187	out:
	188	kmem_free(vap, sizeof(vattr_t));
81e97e21	189	crfree(cr);
ee154f01 BB	190	ASSERT3S(error, <=, 0);
	191
	192	return (error);
	193	}
	194
	195	static int
5484965a	196	zpl_setattr(struct dentry dentry, struct iattr ia)
ee154f01	197	{
81e97e21	198	cred_t *cr = CRED();
5484965a	199	vattr_t *vap;
ee154f01 BB	200	int error;
ee154f01 BB	201
5484965a	202	error = inode_change_ok(dentry->d_inode, ia);
ee154f01 BB	203	if (error)
	204	return (error);
	205
81e97e21	206	crhold(cr);
5484965a BB	207	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	208	vap->va_mask = ia->ia_valid & ATTR_IATTR_MASK;
	209	vap->va_mode = ia->ia_mode;
	210	vap->va_uid = ia->ia_uid;
	211	vap->va_gid = ia->ia_gid;
	212	vap->va_size = ia->ia_size;
	213	vap->va_atime = ia->ia_atime;
	214	vap->va_mtime = ia->ia_mtime;
	215	vap->va_ctime = ia->ia_ctime;
	216
	217	error = -zfs_setattr(dentry->d_inode, vap, 0, cr);
	218
	219	kmem_free(vap, sizeof(vattr_t));
81e97e21	220	crfree(cr);
ee154f01 BB	221	ASSERT3S(error, <=, 0);
ee154f01 BB	222
5484965a	223	return (error);
ee154f01 BB	224	}
	225
	226	static int
	227	zpl_rename(struct inode sdip, struct dentry sdentry,
	228	struct inode tdip, struct dentry tdentry)
	229	{
81e97e21	230	cred_t *cr = CRED();
ee154f01 BB	231	int error;
ee154f01 BB	232
81e97e21	233	crhold(cr);
ee154f01	234	error = -zfs_rename(sdip, dname(sdentry), tdip, dname(tdentry), cr, 0);
81e97e21	235	crfree(cr);
ee154f01 BB	236	ASSERT3S(error, <=, 0);
	237
	238	return (error);
	239	}
	240
	241	static int
	242	zpl_symlink(struct inode dir, struct dentry dentry, const char *name)
	243	{
81e97e21	244	cred_t *cr = CRED();
ee154f01 BB	245	vattr_t *vap;
	246	struct inode *ip;
	247	int error;
	248
81e97e21	249	crhold(cr);
ee154f01 BB	250	vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
	251	vap->va_mode = S_IFLNK \| S_IRWXUGO;
	252	vap->va_mask = ATTR_MODE;
81e97e21 BB	253	vap->va_uid = crgetfsuid(cr);
81e97e21 BB	254	vap->va_gid = crgetfsgid(cr);
c85b224f	255	vap->va_dentry = dentry;
ee154f01 BB	256
ee154f01 BB	257	error = -zfs_symlink(dir, dname(dentry), vap, (char *)name, &ip, cr, 0);
ee154f01	258	kmem_free(vap, sizeof(vattr_t));
81e97e21	259	crfree(cr);
ee154f01 BB	260	ASSERT3S(error, <=, 0);
	261
	262	return (error);
	263	}
	264
	265	static void *
	266	zpl_follow_link(struct dentry dentry, struct nameidata nd)
	267	{
81e97e21	268	cred_t *cr = CRED();
8b4f9a2d BB	269	struct inode *ip = dentry->d_inode;
	270	struct iovec iov;
	271	uio_t uio;
	272	char *link;
8b4f9a2d BB	273	int error;
8b4f9a2d BB	274
81e97e21	275	crhold(cr);
8b4f9a2d BB	276
	277	iov.iov_len = MAXPATHLEN;
	278	iov.iov_base = link = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
	279
	280	uio.uio_iov = &iov;
	281	uio.uio_iovcnt = 1;
	282	uio.uio_resid = (MAXPATHLEN - 1);
	283	uio.uio_segflg = UIO_SYSSPACE;
	284
50950001	285	error = -zfs_readlink(ip, &uio, cr);
8b4f9a2d BB	286	if (error) {
	287	kmem_free(link, MAXPATHLEN);
	288	nd_set_link(nd, ERR_PTR(error));
	289	} else {
	290	nd_set_link(nd, link);
	291	}
	292
81e97e21	293	crfree(cr);
8b4f9a2d	294	return (NULL);
ee154f01 BB	295	}
	296
	297	static void
	298	zpl_put_link(struct dentry dentry, struct nameidata nd, void *ptr)
	299	{
	300	char *link;
	301
	302	link = nd_get_link(nd);
	303	if (!IS_ERR(link))
8b4f9a2d	304	kmem_free(link, MAXPATHLEN);
ee154f01 BB	305	}
	306
	307	static int
	308	zpl_link(struct dentry old_dentry, struct inode dir, struct dentry *dentry)
	309	{
81e97e21	310	cred_t *cr = CRED();
ee154f01	311	struct inode *ip = old_dentry->d_inode;
ee154f01 BB	312	int error;
	313
	314	if (ip->i_nlink >= ZFS_LINK_MAX)
	315	return -EMLINK;
	316
81e97e21	317	crhold(cr);
ee154f01 BB	318	ip->i_ctime = CURRENT_TIME_SEC;
	319	igrab(ip); /* Use ihold() if available */
	320
	321	error = -zfs_link(dir, ip, dname(dentry), cr);
	322	if (error) {
	323	iput(ip);
	324	goto out;
	325	}
	326
	327	d_instantiate(dentry, ip);
	328	out:
81e97e21	329	crfree(cr);
ee154f01 BB	330	ASSERT3S(error, <=, 0);
	331
	332	return (error);
	333	}
	334
	335	const struct inode_operations zpl_inode_operations = {
ee154f01 BB	336	.create = zpl_create,
	337	.link = zpl_link,
	338	.unlink = zpl_unlink,
	339	.symlink = zpl_symlink,
	340	.mkdir = zpl_mkdir,
	341	.rmdir = zpl_rmdir,
	342	.mknod = zpl_mknod,
	343	.rename = zpl_rename,
	344	.setattr = zpl_setattr,
	345	.getattr = zpl_getattr,
	346	.setxattr = generic_setxattr,
	347	.getxattr = generic_getxattr,
	348	.removexattr = generic_removexattr,
	349	.listxattr = zpl_xattr_list,
	350	};
	351
	352	const struct inode_operations zpl_dir_inode_operations = {
ee154f01 BB	353	.create = zpl_create,
	354	.lookup = zpl_lookup,
	355	.link = zpl_link,
	356	.unlink = zpl_unlink,
	357	.symlink = zpl_symlink,
	358	.mkdir = zpl_mkdir,
	359	.rmdir = zpl_rmdir,
	360	.mknod = zpl_mknod,
	361	.rename = zpl_rename,
	362	.setattr = zpl_setattr,
a6695d83 BB	363	.getattr = zpl_getattr,
	364	.setxattr = generic_setxattr,
	365	.getxattr = generic_getxattr,
	366	.removexattr = generic_removexattr,
	367	.listxattr = zpl_xattr_list,
ee154f01 BB	368	};
	369
	370	const struct inode_operations zpl_symlink_inode_operations = {
ee154f01 BB	371	.readlink = generic_readlink,
	372	.follow_link = zpl_follow_link,
	373	.put_link = zpl_put_link,
	374	};
	375
	376	const struct inode_operations zpl_special_inode_operations = {
a6695d83 BB	377	.setattr = zpl_setattr,
	378	.getattr = zpl_getattr,
	379	.setxattr = generic_setxattr,
	380	.getxattr = generic_getxattr,
	381	.removexattr = generic_removexattr,
	382	.listxattr = zpl_xattr_list,
ee154f01	383	};