Release 4.11 fs/nfsd/nfs3xdr.c

/*
 * XDR support for nfsd/protocol version 3.
 *
 * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
 *
 * 2003-08-09 Jamie Lokier: Use htonl() for nanoseconds, not htons()!
 */

#include <linux/namei.h>
#include <linux/sunrpc/svc_xprt.h>
#include "xdr3.h"
#include "auth.h"
#include "netns.h"
#include "vfs.h"


#define NFSDDBG_FACILITY		NFSDDBG_XDR


/*
 * Mapping of S_IF* types to NFS file types
 */

static u32	nfs3_ftypes[] = {
	NF3NON,  NF3FIFO, NF3CHR, NF3BAD,
	NF3DIR,  NF3BAD,  NF3BLK, NF3BAD,
	NF3REG,  NF3BAD,  NF3LNK, NF3BAD,
	NF3SOCK, NF3BAD,  NF3LNK, NF3BAD,
};

/*
 * XDR functions for basic NFS types
 */

static __be32 *

encode_time3(__be32 *p, struct timespec *time)
{
	*p++ = htonl((u32) time->tv_sec); *p++ = htonl(time->tv_nsec);
	return p;
}

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Linus Torvalds (pre-git)
29
65.91%
1
25.00%
Andi Kleen
12
27.27%
1
25.00%
Al Viro
2
4.55%
1
25.00%
Jamie Lokier
1
2.27%
1
25.00%
Total
44
100.00%
4
100.00%


static __be32 *

decode_time3(__be32 *p, struct timespec *time)
{
	time->tv_sec = ntohl(*p++);
	time->tv_nsec = ntohl(*p++);
	return p;
}

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Linus Torvalds (pre-git)
23
56.10%
1
33.33%
Andi Kleen
16
39.02%
1
33.33%
Al Viro
2
4.88%
1
33.33%
Total
41
100.00%
3
100.00%


static __be32 *

decode_fh(__be32 *p, struct svc_fh *fhp)
{
	unsigned int size;
	fh_init(fhp, NFS3_FHSIZE);
	size = ntohl(*p++);
	if (size > NFS3_FHSIZE)
		return NULL;

	memcpy(&fhp->fh_handle.fh_base, p, size);
	fhp->fh_handle.fh_size = size;
	return p + XDR_QUADLEN(size);
}

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Linus Torvalds (pre-git)
72
96.00%
3
60.00%
Al Viro
2
2.67%
1
20.00%
Neil Brown
1
1.33%
1
20.00%
Total
75
100.00%
5
100.00%

/* Helper function for NFSv3 ACL code */


__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp)
{
	return decode_fh(p, fhp);
}

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Andreas Gruenbacher
21
91.30%
1
50.00%
Al Viro
2
8.70%
1
50.00%
Total
23
100.00%
2
100.00%


static __be32 *

encode_fh(__be32 *p, struct svc_fh *fhp)
{
	unsigned int size = fhp->fh_handle.fh_size;
	*p++ = htonl(size);
	if (size) p[XDR_QUADLEN(size)-1]=0;
	memcpy(p, &fhp->fh_handle.fh_base, size);
	return p + XDR_QUADLEN(size);
}

Contributors
Person
Tokens
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CommitProp
Linus Torvalds (pre-git)
70
95.89%
3
60.00%
Al Viro
2
2.74%
1
20.00%
Neil Brown
1
1.37%
1
20.00%
Total
73
100.00%
5
100.00%

/*
 * Decode a file name and make sure that the path contains
 * no slashes or null bytes.
 */

static __be32 *

decode_filename(__be32 *p, char **namp, unsigned int *lenp)
{
	char		*name;
	unsigned int	i;

	if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXNAMLEN)) != NULL) {
		for (i = 0, name = *namp; i < *lenp; i++, name++) {
			if (*name == '\0' || *name == '/')
				return NULL;
		}
	}

	return p;
}

Contributors
Person
Tokens
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CommitProp
Linus Torvalds (pre-git)
87
94.57%
1
25.00%
Chuck Lever
2
2.17%
1
25.00%
Al Viro
2
2.17%
1
25.00%
Linus Torvalds
1
1.09%
1
25.00%
Total
92
100.00%
4
100.00%


static __be32 *

decode_sattr3(__be32 *p, struct iattr *iap)
{
	u32	tmp;

	iap->ia_valid = 0;

	if (*p++) {
		iap->ia_valid |= ATTR_MODE;
		iap->ia_mode = ntohl(*p++);
	}
	if (*p++) {
		iap->ia_uid = make_kuid(&init_user_ns, ntohl(*p++));
		if (uid_valid(iap->ia_uid))
			iap->ia_valid |= ATTR_UID;
	}
	if (*p++) {
		iap->ia_gid = make_kgid(&init_user_ns, ntohl(*p++));
		if (gid_valid(iap->ia_gid))
			iap->ia_valid |= ATTR_GID;
	}
	if (*p++) {
		u64	newsize;

		iap->ia_valid |= ATTR_SIZE;
		p = xdr_decode_hyper(p, &newsize);
		iap->ia_size = min_t(u64, newsize, NFS_OFFSET_MAX);
	}
	if ((tmp = ntohl(*p++)) == 1) {	/* set to server time */
		iap->ia_valid |= ATTR_ATIME;
	} else if (tmp == 2) {		/* set to client time */
		iap->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET;
		iap->ia_atime.tv_sec = ntohl(*p++);
		iap->ia_atime.tv_nsec = ntohl(*p++);
	}
	if ((tmp = ntohl(*p++)) == 1) {	/* set to server time */
		iap->ia_valid |= ATTR_MTIME;
	} else if (tmp == 2) {		/* set to client time */
		iap->ia_valid |= ATTR_MTIME | ATTR_MTIME_SET;
		iap->ia_mtime.tv_sec = ntohl(*p++);
		iap->ia_mtime.tv_nsec = ntohl(*p++);
	}
	return p;
}

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Linus Torvalds (pre-git)
233
75.40%
4
50.00%
Eric W. Biedermann
42
13.59%
1
12.50%
Andi Kleen
26
8.41%
1
12.50%
Kinglong Mee
6
1.94%
1
12.50%
Al Viro
2
0.65%
1
12.50%
Total
309
100.00%
8
100.00%



static __be32 *encode_fsid(__be32 *p, struct svc_fh *fhp)
{
	u64 f;
	switch(fsid_source(fhp)) {
	default:
	case FSIDSOURCE_DEV:
		p = xdr_encode_hyper(p, (u64)huge_encode_dev
				     (fhp->fh_dentry->d_sb->s_dev));
		break;
	case FSIDSOURCE_FSID:
		p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
		break;
	case FSIDSOURCE_UUID:
		f = ((u64*)fhp->fh_export->ex_uuid)[0];
		f ^= ((u64*)fhp->fh_export->ex_uuid)[1];
		p = xdr_encode_hyper(p, f);
		break;
	}
	return p;
}

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Neil Brown
123
99.19%
1
50.00%
Al Viro
1
0.81%
1
50.00%
Total
124
100.00%
2
100.00%


static __be32 *

encode_fattr3(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
	      struct kstat *stat)
{
	*p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
	*p++ = htonl((u32) (stat->mode & S_IALLUGO));
	*p++ = htonl((u32) stat->nlink);
	*p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
	*p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
	if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
		p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
	} else {
		p = xdr_encode_hyper(p, (u64) stat->size);
	}
	p = xdr_encode_hyper(p, ((u64)stat->blocks) << 9);
	*p++ = htonl((u32) MAJOR(stat->rdev));
	*p++ = htonl((u32) MINOR(stat->rdev));
	p = encode_fsid(p, fhp);
	p = xdr_encode_hyper(p, stat->ino);
	p = encode_time3(p, &stat->atime);
	p = encode_time3(p, &stat->mtime);
	p = encode_time3(p, &stat->ctime);

	return p;
}

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Linus Torvalds (pre-git)
184
66.91%
4
28.57%
Al Viro
33
12.00%
3
21.43%
David Shaw
19
6.91%
1
7.14%
Eric W. Biedermann
12
4.36%
1
7.14%
Andi Kleen
9
3.27%
1
7.14%
Neil Brown
9
3.27%
2
14.29%
Albert Fluegel
6
2.18%
1
7.14%
Peter Staubach
3
1.09%
1
7.14%
Total
275
100.00%
14
100.00%


static __be32 *

encode_saved_post_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
{
	/* Attributes to follow */
	*p++ = xdr_one;
	return encode_fattr3(rqstp, p, fhp, &fhp->fh_post_attr);
}

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Linus Torvalds (pre-git)
34
79.07%
2
33.33%
Peter Staubach
3
6.98%
1
16.67%
Al Viro
2
4.65%
1
16.67%
Neil Brown
2
4.65%
1
16.67%
Andi Kleen
2
4.65%
1
16.67%
Total
43
100.00%
6
100.00%

/*
 * Encode post-operation attributes.
 * The inode may be NULL if the call failed because of a stale file
 * handle. In this case, no attributes are returned.
 */

static __be32 *

encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
{
	struct dentry *dentry = fhp->fh_dentry;
	if (dentry && d_really_is_positive(dentry)) {
	        __be32 err;
		struct kstat stat;

		err = fh_getattr(fhp, &stat);
		if (!err) {
			*p++ = xdr_one;		/* attributes follow */
			lease_get_mtime(d_inode(dentry), &stat.mtime);
			return encode_fattr3(rqstp, p, fhp, &stat);
		}
	}
	*p++ = xdr_zero;
	return p;
}

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Linus Torvalds (pre-git)
50
46.73%
2
25.00%
David Shaw
25
23.36%
1
12.50%
Neil Brown
12
11.21%
1
12.50%
Peter Staubach
10
9.35%
1
12.50%
David Howells
6
5.61%
1
12.50%
Al Viro
4
3.74%
2
25.00%
Total
107
100.00%
8
100.00%

/* Helper for NFSv3 ACLs */

__be32 *

nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
{
	return encode_post_op_attr(rqstp, p, fhp);
}

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Andreas Gruenbacher
28
93.33%
1
50.00%
Al Viro
2
6.67%
1
50.00%
Total
30
100.00%
2
100.00%

/*
 * Enocde weak cache consistency data
 */

static __be32 *

encode_wcc_data(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
{
	struct dentry	*dentry = fhp->fh_dentry;

	if (dentry && d_really_is_positive(dentry) && fhp->fh_post_saved) {
		if (fhp->fh_pre_saved) {
			*p++ = xdr_one;
			p = xdr_encode_hyper(p, (u64) fhp->fh_pre_size);
			p = encode_time3(p, &fhp->fh_pre_mtime);
			p = encode_time3(p, &fhp->fh_pre_ctime);
		} else {
			*p++ = xdr_zero;
		}
		return encode_saved_post_attr(rqstp, p, fhp);
	}
	/* no pre- or post-attrs */
	*p++ = xdr_zero;
	return encode_post_op_attr(rqstp, p, fhp);
}

Contributors
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Linus Torvalds (pre-git)
120
90.23%
3
37.50%
Neil Brown
6
4.51%
2
25.00%
David Howells
3
2.26%
1
12.50%
Andi Kleen
2
1.50%
1
12.50%
Al Viro
2
1.50%
1
12.50%
Total
133
100.00%
8
100.00%

/*
 * Fill in the post_op attr for the wcc data
 */


void fill_post_wcc(struct svc_fh *fhp)
{
	__be32 err;

	if (fhp->fh_post_saved)
		printk("nfsd: inode locked twice during operation.\n");

	err = fh_getattr(fhp, &fhp->fh_post_attr);
	fhp->fh_post_change = d_inode(fhp->fh_dentry)->i_version;
	if (err) {
		fhp->fh_post_saved = false;
		/* Grab the ctime anyway - set_change_info might use it */
		fhp->fh_post_attr.ctime = d_inode(fhp->fh_dentry)->i_ctime;
	} else
		fhp->fh_post_saved = true;
}

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Peter Staubach
49
58.33%
1
16.67%
Neil Brown
15
17.86%
1
16.67%
J. Bruce Fields
10
11.90%
1
16.67%
David Howells
6
7.14%
1
16.67%
Jeff Layton
2
2.38%
1
16.67%
Al Viro
2
2.38%
1
16.67%
Total
84
100.00%
6
100.00%

/*
 * XDR decode functions
 */

int

nfs3svc_decode_fhandle(struct svc_rqst *rqstp, __be32 *p, struct nfsd_fhandle *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	return xdr_argsize_check(rqstp, p);
}

Contributors
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CommitProp
Linus Torvalds (pre-git)
35
74.47%
1
25.00%
Neil Brown
6
12.77%
1
25.00%
Benoit Taine
5
10.64%
1
25.00%
Al Viro
1
2.13%
1
25.00%
Total
47
100.00%
4
100.00%


int

nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_sattrargs *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = decode_sattr3(p, &args->attrs);

	if ((args->check_guard = ntohl(*p++)) != 0) { 
		struct timespec time; 
		p = decode_time3(p, &time);
		args->guardtime = time.tv_sec;
	}

	return xdr_argsize_check(rqstp, p);
}

Contributors
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Prop
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CommitProp
Linus Torvalds (pre-git)
76
76.00%
2
33.33%
Andi Kleen
13
13.00%
1
16.67%
Neil Brown
5
5.00%
1
16.67%
Benoit Taine
5
5.00%
1
16.67%
Al Viro
1
1.00%
1
16.67%
Total
100
100.00%
6
100.00%


int

nfs3svc_decode_diropargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_diropargs *args)
{
	if (!(p = decode_fh(p, &args->fh))
	 || !(p = decode_filename(p, &args->name, &args->len)))
		return 0;

	return xdr_argsize_check(rqstp, p);
}

Contributors
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Linus Torvalds (pre-git)
66
98.51%
1
50.00%
Al Viro
1
1.49%
1
50.00%
Total
67
100.00%
2
100.00%


int

nfs3svc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_accessargs *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	args->access = ntohl(*p++);

	return xdr_argsize_check(rqstp, p);
}

Contributors
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Tokens
Prop
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CommitProp
Linus Torvalds (pre-git)
52
89.66%
1
33.33%
Benoit Taine
5
8.62%
1
33.33%
Al Viro
1
1.72%
1
33.33%
Total
58
100.00%
3
100.00%


int

nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readargs *args)
{
	unsigned int len;
	int v;
	u32 max_blocksize = svc_max_payload(rqstp);

	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = xdr_decode_hyper(p, &args->offset);

	args->count = ntohl(*p++);
	len = min(args->count, max_blocksize);

	/* set up the kvec */
	v=0;
	while (len > 0) {
		struct page *p = *(rqstp->rq_next_page++);

		rqstp->rq_vec[v].iov_base = page_address(p);
		rqstp->rq_vec[v].iov_len = min_t(unsigned int, len, PAGE_SIZE);
		len -= rqstp->rq_vec[v].iov_len;
		v++;
	}
	args->vlen = v;
	return xdr_argsize_check(rqstp, p);
}

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Neil Brown
73
41.95%
6
40.00%
Linus Torvalds (pre-git)
59
33.91%
3
20.00%
Kinglong Mee
15
8.62%
1
6.67%
J. Bruce Fields
11
6.32%
1
6.67%
Greg Banks
9
5.17%
1
6.67%
Benoit Taine
5
2.87%
1
6.67%
Al Viro
2
1.15%
2
13.33%
Total
174
100.00%
15
100.00%


int

nfs3svc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_writeargs *args)
{
	unsigned int len, v, hdr, dlen;
	u32 max_blocksize = svc_max_payload(rqstp);
	struct kvec *head = rqstp->rq_arg.head;
	struct kvec *tail = rqstp->rq_arg.tail;

	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = xdr_decode_hyper(p, &args->offset);

	args->count = ntohl(*p++);
	args->stable = ntohl(*p++);
	len = args->len = ntohl(*p++);
	if ((void *)p > head->iov_base + head->iov_len)
		return 0;
	/*
         * The count must equal the amount of data passed.
         */
	if (args->count != args->len)
		return 0;

	/*
         * Check to make sure that we got the right number of
         * bytes.
         */
	hdr = (void*)p - head->iov_base;
	dlen = head->iov_len + rqstp->rq_arg.page_len + tail->iov_len - hdr;
	/*
         * Round the length of the data which was specified up to
         * the next multiple of XDR units and then compare that
         * against the length which was actually received.
         * Note that when RPCSEC/GSS (for example) is used, the
         * data buffer can be padded so dlen might be larger
         * than required.  It must never be smaller.
         */
	if (dlen < XDR_QUADLEN(len)*4)
		return 0;

	if (args->count > max_blocksize) {
		args->count = max_blocksize;
		len = args->len = max_blocksize;
	}
	rqstp->rq_vec[0].iov_base = (void*)p;
	rqstp->rq_vec[0].iov_len = head->iov_len - hdr;
	v = 0;
	while (len > rqstp->rq_vec[v].iov_len) {
		len -= rqstp->rq_vec[v].iov_len;
		v++;
		rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]);
		rqstp->rq_vec[v].iov_len = PAGE_SIZE;
	}
	rqstp->rq_vec[v].iov_len = len;
	args->vlen = v + 1;
	return 1;
}

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Neil Brown
146
42.44%
7
41.18%
Linus Torvalds (pre-git)
87
25.29%
3
17.65%
Peter Staubach
49
14.24%
1
5.88%
J. Bruce Fields
45
13.08%
2
11.76%
Greg Banks
8
2.33%
1
5.88%
Benoit Taine
5
1.45%
1
5.88%
Chuck Lever
3
0.87%
1
5.88%
Al Viro
1
0.29%
1
5.88%
Total
344
100.00%
17
100.00%


int

nfs3svc_decode_createargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_createargs *args)
{
	if (!(p = decode_fh(p, &args->fh))
	 || !(p = decode_filename(p, &args->name, &args->len)))
		return 0;

	switch (args->createmode = ntohl(*p++)) {
	case NFS3_CREATE_UNCHECKED:
	case NFS3_CREATE_GUARDED:
		p = decode_sattr3(p, &args->attrs);
		break;
	case NFS3_CREATE_EXCLUSIVE:
		args->verf = p;
		p += 2;
		break;
	default:
		return 0;
	}

	return xdr_argsize_check(rqstp, p);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
117
98.32%
2
50.00%
Neil Brown
1
0.84%
1
25.00%
Al Viro
1
0.84%
1
25.00%
Total
119
100.00%
4
100.00%


int

nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_createargs *args)
{
	if (!(p = decode_fh(p, &args->fh)) ||
	    !(p = decode_filename(p, &args->name, &args->len)))
		return 0;
	p = decode_sattr3(p, &args->attrs);

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
73
92.41%
1
33.33%
Neil Brown
5
6.33%
1
33.33%
Al Viro
1
1.27%
1
33.33%
Total
79
100.00%
3
100.00%


int

nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_symlinkargs *args)
{
	unsigned int len, avail;
	char *old, *new;
	struct kvec *vec;

	if (!(p = decode_fh(p, &args->ffh)) ||
	    !(p = decode_filename(p, &args->fname, &args->flen))
		)
		return 0;
	p = decode_sattr3(p, &args->attrs);

	/* now decode the pathname, which might be larger than the first page.
         * As we have to check for nul's anyway, we copy it into a new page
         * This page appears in the rq_res.pages list, but as pages_len is always
         * 0, it won't get in the way
         */
	len = ntohl(*p++);
	if (len == 0 || len > NFS3_MAXPATHLEN || len >= PAGE_SIZE)
		return 0;
	args->tname = new = page_address(*(rqstp->rq_next_page++));
	args->tlen = len;
	/* first copy and check from the first page */
	old = (char*)p;
	vec = &rqstp->rq_arg.head[0];
	if ((void *)old > vec->iov_base + vec->iov_len)
		return 0;
	avail = vec->iov_len - (old - (char*)vec->iov_base);
	while (len && avail && *old) {
		*new++ = *old++;
		len--;
		avail--;
	}
	/* now copy next page if there is one */
	if (len && !avail && rqstp->rq_arg.page_len) {
		avail = min_t(unsigned int, rqstp->rq_arg.page_len, PAGE_SIZE);
		old = page_address(rqstp->rq_arg.pages[0]);
	}
	while (len && avail && *old) {
		*new++ = *old++;
		len--;
		avail--;
	}
	*new = '\0';
	if (len)
		return 0;

	return 1;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Neil Brown
188
62.05%
5
41.67%
Linus Torvalds (pre-git)
81
26.73%
1
8.33%
J. Bruce Fields
23
7.59%
2
16.67%
Kinglong Mee
8
2.64%
1
8.33%
Al Viro
2
0.66%
2
16.67%
Chuck Lever
1
0.33%
1
8.33%
Total
303
100.00%
12
100.00%


int

nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_mknodargs *args)
{
	if (!(p = decode_fh(p, &args->fh))
	 || !(p = decode_filename(p, &args->name, &args->len)))
		return 0;

	args->ftype = ntohl(*p++);

	if (args->ftype == NF3BLK  || args->ftype == NF3CHR
	 || args->ftype == NF3SOCK || args->ftype == NF3FIFO)
		p = decode_sattr3(p, &args->attrs);

	if (args->ftype == NF3BLK || args->ftype == NF3CHR) {
		args->major = ntohl(*p++);
		args->minor = ntohl(*p++);
	}

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
152
98.70%
1
33.33%
Al Viro
1
0.65%
1
33.33%
Neil Brown
1
0.65%
1
33.33%
Total
154
100.00%
3
100.00%


int

nfs3svc_decode_renameargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_renameargs *args)
{
	if (!(p = decode_fh(p, &args->ffh))
	 || !(p = decode_filename(p, &args->fname, &args->flen))
	 || !(p = decode_fh(p, &args->tfh))
	 || !(p = decode_filename(p, &args->tname, &args->tlen)))
		return 0;

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
101
99.02%
1
50.00%
Al Viro
1
0.98%
1
50.00%
Total
102
100.00%
2
100.00%


int

nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readlinkargs *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	args->buffer = page_address(*(rqstp->rq_next_page++));

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Neil Brown
51
82.26%
2
33.33%
Benoit Taine
5
8.06%
1
16.67%
J. Bruce Fields
4
6.45%
1
16.67%
Linus Torvalds (pre-git)
1
1.61%
1
16.67%
Al Viro
1
1.61%
1
16.67%
Total
62
100.00%
6
100.00%


int

nfs3svc_decode_linkargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_linkargs *args)
{
	if (!(p = decode_fh(p, &args->ffh))
	 || !(p = decode_fh(p, &args->tfh))
	 || !(p = decode_filename(p, &args->tname, &args->tlen)))
		return 0;

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
80
97.56%
1
33.33%
Neil Brown
1
1.22%
1
33.33%
Al Viro
1
1.22%
1
33.33%
Total
82
100.00%
3
100.00%


int

nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readdirargs *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = xdr_decode_hyper(p, &args->cookie);
	args->verf   = p; p += 2;
	args->dircount = ~0;
	args->count  = ntohl(*p++);
	args->count  = min_t(u32, args->count, PAGE_SIZE);
	args->buffer = page_address(*(rqstp->rq_next_page++));

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
81
69.23%
3
33.33%
Neil Brown
19
16.24%
2
22.22%
Kinglong Mee
7
5.98%
1
11.11%
Benoit Taine
5
4.27%
1
11.11%
J. Bruce Fields
4
3.42%
1
11.11%
Al Viro
1
0.85%
1
11.11%
Total
117
100.00%
9
100.00%


int

nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readdirargs *args)
{
	int len;
	u32 max_blocksize = svc_max_payload(rqstp);

	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = xdr_decode_hyper(p, &args->cookie);
	args->verf     = p; p += 2;
	args->dircount = ntohl(*p++);
	args->count    = ntohl(*p++);

	len = args->count = min(args->count, max_blocksize);
	while (len > 0) {
		struct page *p = *(rqstp->rq_next_page++);
		if (!args->buffer)
			args->buffer = page_address(p);
		len -= PAGE_SIZE;
	}

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
85
53.80%
3
25.00%
Andrew Morton
30
18.99%
1
8.33%
Neil Brown
12
7.59%
3
25.00%
J. Bruce Fields
11
6.96%
1
8.33%
Greg Banks
8
5.06%
1
8.33%
Kinglong Mee
6
3.80%
1
8.33%
Benoit Taine
5
3.16%
1
8.33%
Al Viro
1
0.63%
1
8.33%
Total
158
100.00%
12
100.00%


int

nfs3svc_decode_commitargs(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_commitargs *args)
{
	p = decode_fh(p, &args->fh);
	if (!p)
		return 0;
	p = xdr_decode_hyper(p, &args->offset);
	args->count = ntohl(*p++);

	return xdr_argsize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
64
91.43%
3
60.00%
Benoit Taine
5
7.14%
1
20.00%
Al Viro
1
1.43%
1
20.00%
Total
70
100.00%
5
100.00%

/*
 * XDR encode functions
 */
/*
 * There must be an encoding function for void results so svc_process
 * will work properly.
 */

int

nfs3svc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
25
96.15%
1
50.00%
Al Viro
1
3.85%
1
50.00%
Total
26
100.00%
2
100.00%

/* GETATTR */

int

nfs3svc_encode_attrstat(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_attrstat *resp)
{
	if (resp->status == 0) {
		lease_get_mtime(d_inode(resp->fh.fh_dentry),
				&resp->stat.mtime);
		p = encode_fattr3(rqstp, p, &resp->fh, &resp->stat);
	}
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
45
60.00%
2
25.00%
Peter Staubach
18
24.00%
1
12.50%
David Shaw
5
6.67%
1
12.50%
David Howells
3
4.00%
1
12.50%
Linus Torvalds
2
2.67%
1
12.50%
Neil Brown
1
1.33%
1
12.50%
Al Viro
1
1.33%
1
12.50%
Total
75
100.00%
8
100.00%

/* SETATTR, REMOVE, RMDIR */

int

nfs3svc_encode_wccstat(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_attrstat *resp)
{
	p = encode_wcc_data(rqstp, p, &resp->fh);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
39
95.12%
1
33.33%
Al Viro
1
2.44%
1
33.33%
Linus Torvalds
1
2.44%
1
33.33%
Total
41
100.00%
3
100.00%

/* LOOKUP */

int

nfs3svc_encode_diropres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_diropres *resp)
{
	if (resp->status == 0) {
		p = encode_fh(p, &resp->fh);
		p = encode_post_op_attr(rqstp, p, &resp->fh);
	}
	p = encode_post_op_attr(rqstp, p, &resp->dirfh);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
74
96.10%
2
50.00%
Neil Brown
2
2.60%
1
25.00%
Al Viro
1
1.30%
1
25.00%
Total
77
100.00%
4
100.00%

/* ACCESS */

int

nfs3svc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_accessres *resp)
{
	p = encode_post_op_attr(rqstp, p, &resp->fh);
	if (resp->status == 0)
		*p++ = htonl(resp->access);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
58
96.67%
1
33.33%
Neil Brown
1
1.67%
1
33.33%
Al Viro
1
1.67%
1
33.33%
Total
60
100.00%
3
100.00%

/* READLINK */

int

nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readlinkres *resp)
{
	p = encode_post_op_attr(rqstp, p, &resp->fh);
	if (resp->status == 0) {
		*p++ = htonl(resp->len);
		xdr_ressize_check(rqstp, p);
		rqstp->rq_res.page_len = resp->len;
		if (resp->len & 3) {
			/* need to pad the tail */
			rqstp->rq_res.tail[0].iov_base = p;
			*p = 0;
			rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3);
		}
		return 1;
	} else
		return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Neil Brown
67
50.38%
2
50.00%
Linus Torvalds (pre-git)
65
48.87%
1
25.00%
Al Viro
1
0.75%
1
25.00%
Total
133
100.00%
4
100.00%

/* READ */

int

nfs3svc_encode_readres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readres *resp)
{
	p = encode_post_op_attr(rqstp, p, &resp->fh);
	if (resp->status == 0) {
		*p++ = htonl(resp->count);
		*p++ = htonl(resp->eof);
		*p++ = htonl(resp->count);	/* xdr opaque count */
		xdr_ressize_check(rqstp, p);
		/* now update rqstp->rq_res to reflect data as well */
		rqstp->rq_res.page_len = resp->count;
		if (resp->count & 3) {
			/* need to pad the tail */
			rqstp->rq_res.tail[0].iov_base = p;
			*p = 0;
			rqstp->rq_res.tail[0].iov_len = 4 - (resp->count & 3);
		}
		return 1;
	} else
		return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
88
56.05%
1
16.67%
Neil Brown
67
42.68%
3
50.00%
Lucas De Marchi
1
0.64%
1
16.67%
Al Viro
1
0.64%
1
16.67%
Total
157
100.00%
6
100.00%

/* WRITE */

int

nfs3svc_encode_writeres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_writeres *resp)
{
	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);

	p = encode_wcc_data(rqstp, p, &resp->fh);
	if (resp->status == 0) {
		*p++ = htonl(resp->count);
		*p++ = htonl(resp->committed);
		*p++ = htonl(nn->nfssvc_boot.tv_sec);
		*p++ = htonl(nn->nfssvc_boot.tv_usec);
	}
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
94
82.46%
1
33.33%
Stanislav Kinsbursky
19
16.67%
1
33.33%
Al Viro
1
0.88%
1
33.33%
Total
114
100.00%
3
100.00%

/* CREATE, MKDIR, SYMLINK, MKNOD */

int

nfs3svc_encode_createres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_diropres *resp)
{
	if (resp->status == 0) {
		*p++ = xdr_one;
		p = encode_fh(p, &resp->fh);
		p = encode_post_op_attr(rqstp, p, &resp->fh);
	}
	p = encode_wcc_data(rqstp, p, &resp->dirfh);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
81
97.59%
2
50.00%
Al Viro
1
1.20%
1
25.00%
Neil Brown
1
1.20%
1
25.00%
Total
83
100.00%
4
100.00%

/* RENAME */

int

nfs3svc_encode_renameres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_renameres *resp)
{
	p = encode_wcc_data(rqstp, p, &resp->ffh);
	p = encode_wcc_data(rqstp, p, &resp->tfh);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
54
98.18%
1
50.00%
Al Viro
1
1.82%
1
50.00%
Total
55
100.00%
2
100.00%

/* LINK */

int

nfs3svc_encode_linkres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_linkres *resp)
{
	p = encode_post_op_attr(rqstp, p, &resp->fh);
	p = encode_wcc_data(rqstp, p, &resp->tfh);
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
53
96.36%
1
33.33%
Al Viro
1
1.82%
1
33.33%
Neil Brown
1
1.82%
1
33.33%
Total
55
100.00%
3
100.00%

/* READDIR */

int

nfs3svc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_readdirres *resp)
{
	p = encode_post_op_attr(rqstp, p, &resp->fh);

	if (resp->status == 0) {
		/* stupid readdir cookie */
		memcpy(p, resp->verf, 8); p += 2;
		xdr_ressize_check(rqstp, p);
		if (rqstp->rq_res.head[0].iov_len + (2<<2) > PAGE_SIZE)
			return 1; /*No room for trailer */
		rqstp->rq_res.page_len = (resp->count) << 2;

		/* add the 'tail' to the end of the 'head' page - page 0. */
		rqstp->rq_res.tail[0].iov_base = p;
		*p++ = 0;		/* no more entries */
		*p++ = htonl(resp->common.err == nfserr_eof);
		rqstp->rq_res.tail[0].iov_len = 2<<2;
		return 1;
	} else
		return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Neil Brown
94
55.95%
4
50.00%
Linus Torvalds (pre-git)
70
41.67%
2
25.00%
Andrew Morton
3
1.79%
1
12.50%
Al Viro
1
0.60%
1
12.50%
Total
168
100.00%
8
100.00%


static __be32 *

encode_entry_baggage(struct nfsd3_readdirres *cd, __be32 *p, const char *name,
	     int namlen, u64 ino)
{
	*p++ = xdr_one;				 /* mark entry present */
	p    = xdr_encode_hyper(p, ino);	 /* file id */
	p    = xdr_encode_array(p, name, namlen);/* name length & name */

	cd->offset = p;				/* remember pointer */
	p = xdr_encode_hyper(p, NFS_OFFSET_MAX);/* offset of next entry */

	return p;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
62
81.58%
5
62.50%
Andrew Morton
11
14.47%
1
12.50%
Al Viro
2
2.63%
1
12.50%
Peter Staubach
1
1.32%
1
12.50%
Total
76
100.00%
8
100.00%


static __be32

compose_entry_fh(struct nfsd3_readdirres *cd, struct svc_fh *fhp,
		 const char *name, int namlen, u64 ino)
{
	struct svc_export	*exp;
	struct dentry		*dparent, *dchild;
	__be32 rv = nfserr_noent;

	dparent = cd->fh.fh_dentry;
	exp  = cd->fh.fh_export;

	if (isdotent(name, namlen)) {
		if (namlen == 2) {
			dchild = dget_parent(dparent);
			/* filesystem root - cannot return filehandle for ".." */
			if (dchild == dparent)
				goto out;
		} else
			dchild = dget(dparent);
	} else
		dchild = lookup_one_len_unlocked(name, dparent, namlen);
	if (IS_ERR(dchild))
		return rv;
	if (d_mountpoint(dchild))
		goto out;
	if (d_really_is_negative(dchild))
		goto out;
	if (dchild->d_inode->i_ino != ino)
		goto out;
	rv = fh_compose(fhp, exp, dchild, &cd->fh);
out:
	dput(dchild);
	return rv;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
60
32.26%
3
18.75%
Linus Torvalds (pre-git)
54
29.03%
2
12.50%
Neil Brown
31
16.67%
5
31.25%
Al Viro
23
12.37%
2
12.50%
J. Bruce Fields
10
5.38%
1
6.25%
Linus Torvalds
5
2.69%
2
12.50%
David Howells
3
1.61%
1
6.25%
Total
186
100.00%
16
100.00%



static __be32 *encode_entryplus_baggage(struct nfsd3_readdirres *cd, __be32 *p, const char *name, int namlen, u64 ino)
{
	struct svc_fh	*fh = &cd->scratch;
	__be32 err;

	fh_init(fh, NFS3_FHSIZE);
	err = compose_entry_fh(cd, fh, name, namlen, ino);
	if (err) {
		*p++ = 0;
		*p++ = 0;
		goto out;
	}
	p = encode_post_op_attr(cd->rqstp, p, fh);
	*p++ = xdr_one;			/* yes, a file handle follows */
	p = encode_fh(p, fh);
out:
	fh_put(fh);
	return p;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
J. Bruce Fields
115
94.26%
3
50.00%
Neil Brown
5
4.10%
1
16.67%
Daniel Mack
1
0.82%
1
16.67%
Al Viro
1
0.82%
1
16.67%
Total
122
100.00%
6
100.00%

/*
 * Encode a directory entry. This one works for both normal readdir
 * and readdirplus.
 * The normal readdir reply requires 2 (fileid) + 1 (stringlen)
 * + string + 2 (cookie) + 1 (next) words, i.e. 6 + strlen.
 * 
 * The readdirplus baggage is 1+21 words for post_op_attr, plus the
 * file handle.
 */


#define NFS3_ENTRY_BAGGAGE	(2 + 1 + 2 + 1)

#define NFS3_ENTRYPLUS_BAGGAGE	(1 + 21 + 1 + (NFS3_FHSIZE >> 2))

static int

encode_entry(struct readdir_cd *ccd, const char *name, int namlen,
	     loff_t offset, u64 ino, unsigned int d_type, int plus)
{
	struct nfsd3_readdirres *cd = container_of(ccd, struct nfsd3_readdirres,
		       					common);
	__be32		*p = cd->buffer;
	caddr_t		curr_page_addr = NULL;
	struct page **	page;
	int		slen;		/* string (name) length */
	int		elen;		/* estimated entry length in words */
	int		num_entry_words = 0;	/* actual number of words */

	if (cd->offset) {
		u64 offset64 = offset;

		if (unlikely(cd->offset1)) {
			/* we ended up with offset on a page boundary */
			*cd->offset = htonl(offset64 >> 32);
			*cd->offset1 = htonl(offset64 & 0xffffffff);
			cd->offset1 = NULL;
		} else {
			xdr_encode_hyper(cd->offset, offset64);
		}
	}

	/*
        dprintk("encode_entry(%.*s @%ld%s)\n",
                namlen, name, (long) offset, plus? " plus" : "");
         */

	/* truncate filename if too long */
	namlen = min(namlen, NFS3_MAXNAMLEN);

	slen = XDR_QUADLEN(namlen);
	elen = slen + NFS3_ENTRY_BAGGAGE
		+ (plus? NFS3_ENTRYPLUS_BAGGAGE : 0);

	if (cd->buflen < elen) {
		cd->common.err = nfserr_toosmall;
		return -EINVAL;
	}

	/* determine which page in rq_respages[] we are currently filling */
	for (page = cd->rqstp->rq_respages + 1;
				page < cd->rqstp->rq_next_page; page++) {
		curr_page_addr = page_address(*page);

		if (((caddr_t)cd->buffer >= curr_page_addr) &&
		    ((caddr_t)cd->buffer <  curr_page_addr + PAGE_SIZE))
			break;
	}

	if ((caddr_t)(cd->buffer + elen) < (curr_page_addr + PAGE_SIZE)) {
		/* encode entry in current page */

		p = encode_entry_baggage(cd, p, name, namlen, ino);

		if (plus)
			p = encode_entryplus_baggage(cd, p, name, namlen, ino);
		num_entry_words = p - cd->buffer;
	} else if (*(page+1) != NULL) {
		/* temporarily encode entry into next page, then move back to
                 * current and next page in rq_respages[] */
		__be32 *p1, *tmp;
		int len1, len2;

		/* grab next page for temporary storage of entry */
		p1 = tmp = page_address(*(page+1));

		p1 = encode_entry_baggage(cd, p1, name, namlen, ino);

		if (plus)
			p1 = encode_entryplus_baggage(cd, p1, name, namlen, ino);

		/* determine entry word length and lengths to go in pages */
		num_entry_words = p1 - tmp;
		len1 = curr_page_addr + PAGE_SIZE - (caddr_t)cd->buffer;
		if ((num_entry_words << 2) < len1) {
			/* the actual number of words in the entry is less
                         * than elen and can still fit in the current page
                         */
			memmove(p, tmp, num_entry_words << 2);
			p += num_entry_words;

			/* update offset */
			cd->offset = cd->buffer + (cd->offset - tmp);
		} else {
			unsigned int offset_r = (cd->offset - tmp) << 2;

			/* update pointer to offset location.
                         * This is a 64bit quantity, so we need to
                         * deal with 3 cases:
                         *  -   entirely in first page
                         *  -   entirely in second page
                         *  -   4 bytes in each page
                         */
			if (offset_r + 8 <= len1) {
				cd->offset = p + (cd->offset - tmp);
			} else if (offset_r >= len1) {
				cd->offset -= len1 >> 2;
			} else {
				/* sitting on the fence */
				BUG_ON(offset_r != len1 - 4);
				cd->offset = p + (cd->offset - tmp);
				cd->offset1 = tmp;
			}

			len2 = (num_entry_words << 2) - len1;

			/* move from temp page to current and next pages */
			memmove(p, tmp, len1);
			memmove(tmp, (caddr_t)tmp+len1, len2);

			p = tmp + (len2 >> 2);
		}
	}
	else {
		cd->common.err = nfserr_toosmall;
		return -EINVAL;
	}

	cd->buflen -= num_entry_words;
	cd->buffer = p;
	cd->common.err = nfs_ok;
	return 0;

}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
413
64.43%
1
6.67%
Neil Brown
160
24.96%
6
40.00%
J. Bruce Fields
31
4.84%
2
13.33%
Linus Torvalds (pre-git)
28
4.37%
2
13.33%
Kinglong Mee
5
0.78%
1
6.67%
Al Viro
2
0.31%
1
6.67%
Petr Vandrovec
1
0.16%
1
6.67%
Peter Staubach
1
0.16%
1
6.67%
Total
641
100.00%
15
100.00%


int

nfs3svc_encode_entry(void *cd, const char *name,
		     int namlen, loff_t offset, u64 ino, unsigned int d_type)
{
	return encode_entry(cd, name, namlen, offset, ino, d_type, 0);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
42
93.33%
2
50.00%
Neil Brown
2
4.44%
1
25.00%
Linus Torvalds
1
2.22%
1
25.00%
Total
45
100.00%
4
100.00%


int

nfs3svc_encode_entry_plus(void *cd, const char *name,
			  int namlen, loff_t offset, u64 ino,
			  unsigned int d_type)
{
	return encode_entry(cd, name, namlen, offset, ino, d_type, 1);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
42
93.33%
2
50.00%
Neil Brown
2
4.44%
1
25.00%
Linus Torvalds
1
2.22%
1
25.00%
Total
45
100.00%
4
100.00%

/* FSSTAT */

int

nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_fsstatres *resp)
{
	struct kstatfs	*s = &resp->stats;
	u64		bs = s->f_bsize;

	*p++ = xdr_zero;	/* no post_op_attr */

	if (resp->status == 0) {
		p = xdr_encode_hyper(p, bs * s->f_blocks);	/* total bytes */
		p = xdr_encode_hyper(p, bs * s->f_bfree);	/* free bytes */
		p = xdr_encode_hyper(p, bs * s->f_bavail);	/* user available bytes */
		p = xdr_encode_hyper(p, s->f_files);	/* total inodes */
		p = xdr_encode_hyper(p, s->f_ffree);	/* free inodes */
		p = xdr_encode_hyper(p, s->f_ffree);	/* user available inodes */
		*p++ = htonl(resp->invarsec);	/* mean unchanged time */
	}
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
149
98.68%
3
60.00%
Al Viro
1
0.66%
1
20.00%
Andrew Morton
1
0.66%
1
20.00%
Total
151
100.00%
5
100.00%

/* FSINFO */

int

nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_fsinfores *resp)
{
	*p++ = xdr_zero;	/* no post_op_attr */

	if (resp->status == 0) {
		*p++ = htonl(resp->f_rtmax);
		*p++ = htonl(resp->f_rtpref);
		*p++ = htonl(resp->f_rtmult);
		*p++ = htonl(resp->f_wtmax);
		*p++ = htonl(resp->f_wtpref);
		*p++ = htonl(resp->f_wtmult);
		*p++ = htonl(resp->f_dtpref);
		p = xdr_encode_hyper(p, resp->f_maxfilesize);
		*p++ = xdr_one;
		*p++ = xdr_zero;
		*p++ = htonl(resp->f_properties);
	}

	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
154
99.35%
3
75.00%
Al Viro
1
0.65%
1
25.00%
Total
155
100.00%
4
100.00%

/* PATHCONF */

int

nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_pathconfres *resp)
{
	*p++ = xdr_zero;	/* no post_op_attr */

	if (resp->status == 0) {
		*p++ = htonl(resp->p_link_max);
		*p++ = htonl(resp->p_name_max);
		*p++ = htonl(resp->p_no_trunc);
		*p++ = htonl(resp->p_chown_restricted);
		*p++ = htonl(resp->p_case_insensitive);
		*p++ = htonl(resp->p_case_preserving);
	}

	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
109
99.09%
2
66.67%
Al Viro
1
0.91%
1
33.33%
Total
110
100.00%
3
100.00%

/* COMMIT */

int

nfs3svc_encode_commitres(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_commitres *resp)
{
	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);

	p = encode_wcc_data(rqstp, p, &resp->fh);
	/* Write verifier */
	if (resp->status == 0) {
		*p++ = htonl(nn->nfssvc_boot.tv_sec);
		*p++ = htonl(nn->nfssvc_boot.tv_usec);
	}
	return xdr_ressize_check(rqstp, p);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
73
78.49%
1
33.33%
Stanislav Kinsbursky
19
20.43%
1
33.33%
Al Viro
1
1.08%
1
33.33%
Total
93
100.00%
3
100.00%

/*
 * XDR release functions
 */

int

nfs3svc_release_fhandle(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_attrstat *resp)
{
	fh_put(&resp->fh);
	return 1;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
29
96.67%
2
66.67%
Al Viro
1
3.33%
1
33.33%
Total
30
100.00%
3
100.00%


int

nfs3svc_release_fhandle2(struct svc_rqst *rqstp, __be32 *p,
					struct nfsd3_fhandle_pair *resp)
{
	fh_put(&resp->fh1);
	fh_put(&resp->fh2);
	return 1;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
37
97.37%
2
66.67%
Al Viro
1
2.63%
1
33.33%
Total
38
100.00%
3
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
3706
58.61%
12
13.33%
Neil Brown
1111
17.57%
30
33.33%
Andrew Morton
527
8.33%
4
4.44%
J. Bruce Fields
268
4.24%
9
10.00%
Peter Staubach
135
2.14%
2
2.22%
Al Viro
127
2.01%
8
8.89%
Andi Kleen
80
1.27%
1
1.11%
Eric W. Biedermann
54
0.85%
1
1.11%
Andreas Gruenbacher
51
0.81%
1
1.11%
David Shaw
49
0.77%
1
1.11%
Kinglong Mee
47
0.74%
1
1.11%
Benoit Taine
45
0.71%
1
1.11%
Stanislav Kinsbursky
44
0.70%
1
1.11%
Greg Banks
25
0.40%
1
1.11%
David Howells
21
0.33%
1
1.11%
Linus Torvalds
11
0.17%
5
5.56%
Albert Fluegel
6
0.09%
1
1.11%
Chuck Lever
6
0.09%
3
3.33%
Christoph Hellwig
3
0.05%
1
1.11%
Jeff Layton
2
0.03%
1
1.11%
Daniel Mack
1
0.02%
1
1.11%
Lucas De Marchi
1
0.02%
1
1.11%
Boaz Harrosh
1
0.02%
1
1.11%
Jamie Lokier
1
0.02%
1
1.11%
Petr Vandrovec
1
0.02%
1
1.11%
Total
6323
100.00%
90
100.00%
Directory: fs/nfsd

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