Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/Kconfig | 1 -
fs/nfs.c | 542 ++++++++++++++++++++++++++-----------------------------------
2 files changed, 234 insertions(+), 309 deletions(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index e3460e4443..b2d4242e63 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -41,7 +41,6 @@ config FS_OMAP4_USBBOOT
config FS_NFS
depends on NET
- depends on BROKEN
bool
prompt "nfs support"
diff --git a/fs/nfs.c b/fs/nfs.c
index 75cd127eeb..eb5db344db 100644
--- a/fs/nfs.c
+++ b/fs/nfs.c
@@ -20,6 +20,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
+#define pr_fmt(fmt) "NFS: " fmt
#include <common.h>
#include <net.h>
@@ -127,6 +128,11 @@ struct rpc_reply {
#define NFS_TIMEOUT (2 * SECOND)
#define NFS_MAX_RESEND 5
+struct nfs_fh {
+ unsigned short size;
+ unsigned char data[NFS3_FHSIZE];
+};
+
struct nfs_priv {
struct net_connection *con;
IPaddr_t server;
@@ -136,18 +142,34 @@ struct nfs_priv {
uint16_t nfs_port;
unsigned manual_nfs_port:1;
uint32_t rpc_id;
- uint32_t rootfh_len;
- char rootfh[NFS3_FHSIZE];
+ struct nfs_fh rootfh;
};
struct file_priv {
struct kfifo *fifo;
void *buf;
- uint32_t filefh_len;
- char filefh[NFS3_FHSIZE];
+ struct nfs_priv *npriv;
+ struct nfs_fh fh;
+};
+
+struct nfs_inode {
+ struct inode inode;
+ struct nfs_fh fh;
struct nfs_priv *npriv;
};
+static inline struct nfs_inode *nfsi(struct inode *inode)
+{
+ return container_of(inode, struct nfs_inode, inode);
+}
+
+static void nfs_set_fh(struct inode *inode, struct nfs_fh *fh)
+{
+ struct nfs_inode *ninode = nfsi(inode);
+
+ ninode->fh = *fh;
+}
+
static uint64_t nfs_timer_start;
static int nfs_state;
@@ -234,17 +256,14 @@ struct xdr_stream {
#define XDR_QUADLEN(l) (((l) + 3) >> 2)
struct nfs_dir {
- DIR dir;
-
/*
* stream points to the next entry3 in the reply member of READDIR3res
* (if any, to the end indicator otherwise).
*/
struct xdr_stream stream;
- struct dirent ent;
- struct file_priv *priv;
uint64_t cookie;
char cookieverf[NFS3_COOKIEVERFSIZE];
+ struct nfs_fh fh;
};
static void xdr_init(struct xdr_stream *stream, void *buf, int len)
@@ -300,11 +319,11 @@ static int decode_filename(struct xdr_stream *xdr, char *name, u32 *length)
return 0;
out_nametoolong:
- printf("%s: returned a too long filename: %u\n", __func__, count);
+ pr_err("%s: returned a too long filename: %u\n", __func__, count);
return -ENAMETOOLONG;
out_overflow:
- printf("%s: premature end of packet\n", __func__);
+ pr_err("%s: premature end of packet\n", __func__);
return -EIO;
}
@@ -486,16 +505,16 @@ static uint32_t *nfs_add_uint64(uint32_t *p, uint64_t val)
return p + 2;
}
-static uint32_t *nfs_add_fh3(uint32_t *p, unsigned fh_len, const char *fh)
+static uint32_t *nfs_add_fh3(uint32_t *p, struct nfs_fh *fh)
{
- *p++ = hton32(fh_len);
+ *p++ = hton32(fh->size);
/* zero padding */
- if (fh_len & 3)
- p[fh_len / 4] = 0;
+ if (fh->size & 3)
+ p[fh->size / 4] = 0;
- memcpy(p, fh, fh_len);
- p += DIV_ROUND_UP(fh_len, 4);
+ memcpy(p, fh->data, fh->size);
+ p += DIV_ROUND_UP(fh->size, 4);
return p;
}
@@ -532,33 +551,36 @@ static const struct {
{ 0x00800, S_ISUID },
};
-static int nfs_fattr3_to_stat(uint32_t *p, struct stat *s)
+static int nfs_fattr3_to_stat(uint32_t *p, struct inode *inode)
{
uint32_t mode;
size_t i;
+ if (!inode)
+ return 0;
+
/* offsetof(struct fattr3, type) = 0 */
switch (ntoh32(net_read_uint32(p + 0))) {
case NF3REG:
- s->st_mode = S_IFREG;
+ inode->i_mode = S_IFREG;
break;
case NF3DIR:
- s->st_mode = S_IFDIR;
+ inode->i_mode = S_IFDIR;
break;
case NF3BLK:
- s->st_mode = S_IFBLK;
+ inode->i_mode = S_IFBLK;
break;
case NF3CHR:
- s->st_mode = S_IFCHR;
+ inode->i_mode = S_IFCHR;
break;
case NF3LNK:
- s->st_mode = S_IFLNK;
+ inode->i_mode = S_IFLNK;
break;
case NF3SOCK:
- s->st_mode = S_IFSOCK;
+ inode->i_mode = S_IFSOCK;
break;
case NF3FIFO:
- s->st_mode = S_IFIFO;
+ inode->i_mode = S_IFIFO;
break;
default:
printf("%s: invalid mode %x\n",
@@ -570,18 +592,17 @@ static int nfs_fattr3_to_stat(uint32_t *p, struct stat *s)
mode = ntoh32(net_read_uint32(p + 1));
for (i = 0; i < ARRAY_SIZE(nfs3_mode_bits); ++i) {
if (mode & nfs3_mode_bits[i].nfsmode)
- s->st_mode |= nfs3_mode_bits[i].statmode;
+ inode->i_mode |= nfs3_mode_bits[i].statmode;
}
/* offsetof(struct fattr3, size) = 20 */
- s->st_size = ntoh64(net_read_uint64(p + 5));
+ inode->i_size = ntoh64(net_read_uint64(p + 5));
return 0;
}
-static uint32_t *nfs_read_post_op_attr(uint32_t *p, struct stat **s)
+static uint32_t *nfs_read_post_op_attr(uint32_t *p, struct inode *inode)
{
- struct stat dummy;
/*
* union post_op_attr switch (bool attributes_follow) {
* case TRUE:
@@ -592,11 +613,8 @@ static uint32_t *nfs_read_post_op_attr(uint32_t *p, struct stat **s)
*/
if (ntoh32(net_read_uint32(p++))) {
- nfs_fattr3_to_stat(p, s ? *s : &dummy);
+ nfs_fattr3_to_stat(p, inode);
p += 21;
- } else if (s) {
- /* no attributes available */
- *s = NULL;
}
return p;
@@ -635,14 +653,14 @@ static int nfs_mount_req(struct nfs_priv *npriv)
p = nfs_packet + sizeof(struct rpc_reply) + 4;
- npriv->rootfh_len = ntoh32(net_read_uint32(p++));
- if (npriv->rootfh_len > NFS3_FHSIZE) {
+ npriv->rootfh.size = ntoh32(net_read_uint32(p++));
+ if (npriv->rootfh.size > NFS3_FHSIZE) {
printf("%s: file handle too big: %lu\n", __func__,
- (unsigned long)npriv->rootfh_len);
+ (unsigned long)npriv->rootfh.size);
return -EIO;
}
- memcpy(npriv->rootfh, p, npriv->rootfh_len);
- p += DIV_ROUND_UP(npriv->rootfh_len, 4);
+ memcpy(npriv->rootfh.data, p, npriv->rootfh.size);
+ p += DIV_ROUND_UP(npriv->rootfh.size, 4);
return 0;
}
@@ -674,9 +692,10 @@ static void nfs_umount_req(struct nfs_priv *npriv)
*
* *s is set to NULL if LOOKUP3resok doesn't contain obj_attributes.
*/
-static int nfs_lookup_req(struct file_priv *priv,
- uint32_t filename_len, const char *filename, struct stat **s)
+static int nfs_lookup_req(struct nfs_priv *npriv, struct nfs_fh *fh,
+ const char *filename, struct inode *inode)
{
+ struct nfs_inode *ninode = nfsi(inode);
uint32_t data[1024];
uint32_t *p;
int len;
@@ -709,73 +728,29 @@ static int nfs_lookup_req(struct file_priv *priv,
p = rpc_add_credentials(p);
/* what.dir */
- p = nfs_add_fh3(p, priv->filefh_len, priv->filefh);
+ p = nfs_add_fh3(p, fh);
/* what.name */
- p = nfs_add_filename(p, filename_len, filename);
+ p = nfs_add_filename(p, strlen(filename), filename);
len = p - &(data[0]);
- ret = rpc_req(priv->npriv, PROG_NFS, NFSPROC3_LOOKUP, data, len);
+ ret = rpc_req(npriv, PROG_NFS, NFSPROC3_LOOKUP, data, len);
if (ret)
return ret;
p = nfs_packet + sizeof(struct rpc_reply) + 4;
- priv->filefh_len = ntoh32(net_read_uint32(p++));
- if (priv->filefh_len > NFS3_FHSIZE) {
- debug("%s: file handle too big: %lu\n", __func__,
- (unsigned long)priv->filefh_len);
+ ninode->fh.size = ntoh32(net_read_uint32(p++));
+ if (ninode->fh.size > NFS3_FHSIZE) {
+ debug("%s: file handle too big: %u\n", __func__,
+ ninode->fh.size);
return -EIO;
}
- memcpy(priv->filefh, p, priv->filefh_len);
- p += DIV_ROUND_UP(priv->filefh_len, 4);
-
- if (s)
- nfs_read_post_op_attr(p, s);
-
- return 0;
-}
-
-static int nfs_attr_req(struct file_priv *priv, struct stat *s)
-{
- uint32_t data[1024];
- uint32_t *p;
- int len;
- int ret;
-
- /*
- * struct GETATTR3args {
- * nfs_fh3 object;
- * }
- *
- * struct GETATTR3resok {
- * fattr3 obj_attributes;
- * };
- *
- * union GETATTR3res switch (nfsstat3 status) {
- * case NFS3_OK:
- * GETATTR3resok resok;
- * default:
- * void;
- * }
- */
-
- p = &(data[0]);
- p = rpc_add_credentials(p);
-
- /* object */
- p = nfs_add_fh3(p, priv->filefh_len, priv->filefh);
-
- len = p - &(data[0]);
-
- ret = rpc_req(priv->npriv, PROG_NFS, NFSPROC3_GETATTR, data, len);
- if (ret)
- return ret;
+ memcpy(ninode->fh.data, p, ninode->fh.size);
+ p += DIV_ROUND_UP(ninode->fh.size, 4);
- p = nfs_packet + sizeof(struct rpc_reply) + 4;
-
- nfs_fattr3_to_stat(p, s);
+ nfs_read_post_op_attr(p, inode);
return 0;
}
@@ -784,7 +759,7 @@ static int nfs_attr_req(struct file_priv *priv, struct stat *s)
* returns with dir->stream pointing to the first entry
* of dirlist3 res.resok.reply
*/
-static void *nfs_readdirattr_req(struct file_priv *priv, struct nfs_dir *dir)
+static void *nfs_readdirattr_req(struct nfs_priv *npriv, struct nfs_dir *dir)
{
uint32_t data[1024];
uint32_t *p;
@@ -833,7 +808,7 @@ static void *nfs_readdirattr_req(struct file_priv *priv, struct nfs_dir *dir)
p = &(data[0]);
p = rpc_add_credentials(p);
- p = nfs_add_fh3(p, priv->filefh_len, priv->filefh);
+ p = nfs_add_fh3(p, &dir->fh);
p = nfs_add_uint64(p, dir->cookie);
memcpy(p, dir->cookieverf, NFS3_COOKIEVERFSIZE);
@@ -841,7 +816,7 @@ static void *nfs_readdirattr_req(struct file_priv *priv, struct nfs_dir *dir)
p = nfs_add_uint32(p, 1024); /* count */
- ret = rpc_req(priv->npriv, PROG_NFS, NFSPROC3_READDIR, data, p - data);
+ ret = rpc_req(npriv, PROG_NFS, NFSPROC3_READDIR, data, p - data);
if (ret)
return NULL;
@@ -909,7 +884,7 @@ static int nfs_read_req(struct file_priv *priv, uint64_t offset,
p = &(data[0]);
p = rpc_add_credentials(p);
- p = nfs_add_fh3(p, priv->filefh_len, priv->filefh);
+ p = nfs_add_fh3(p, &priv->fh);
p = nfs_add_uint64(p, offset);
p = nfs_add_uint32(p, readlen);
@@ -953,82 +928,11 @@ static void nfs_handler(void *ctx, char *packet, unsigned len)
nfs_len = len;
}
-static int nfs_create(struct device_d *dev, const char *pathname, mode_t mode)
-{
- return -ENOSYS;
-}
-
-static int nfs_unlink(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
-static int nfs_mkdir(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
-static int nfs_rmdir(struct device_d *dev, const char *pathname)
-{
- return -ENOSYS;
-}
-
static int nfs_truncate(struct device_d *dev, FILE *f, ulong size)
{
return -ENOSYS;
}
-static struct file_priv *nfs_do_open(struct device_d *dev,
- const char *filename, struct stat **s)
-{
- struct file_priv *priv;
- struct nfs_priv *npriv = dev->priv;
- int ret;
- const char *tok;
-
- debug("%s: filename = %s\n", __func__, filename);
- priv = xzalloc(sizeof(*priv));
-
- priv->npriv = npriv;
-
- if (!*filename) {
- priv->filefh_len = npriv->rootfh_len;
- memcpy(priv->filefh, npriv->rootfh, npriv->rootfh_len);
- return priv;
- }
-
- filename++;
-
- priv->filefh_len = npriv->rootfh_len;
- memcpy(priv->filefh, npriv->rootfh, NFS3_FHSIZE);
-
- while (*filename) {
- size_t flen;
-
- tok = strchr(filename, '/');
- if (tok)
- flen = tok - filename;
- else
- flen = strlen(filename);
-
- ret = nfs_lookup_req(priv, flen, filename, s);
- if (ret)
- goto out;
-
- if (tok)
- filename += flen + 1;
- else
- break;
- }
-
- return priv;
-
-out:
- free(priv);
-
- return ERR_PTR(ret);
-}
-
static void nfs_do_close(struct file_priv *priv)
{
if (priv->fifo)
@@ -1037,34 +941,8 @@ static void nfs_do_close(struct file_priv *priv)
free(priv);
}
-static struct file_priv *nfs_do_stat(struct device_d *dev,
- const char *filename, struct stat *s)
-{
- struct file_priv *priv;
- int ret;
- struct stat **sptr = &s;
-
- debug("%s: filename = %s\n", __func__, filename);
- priv = nfs_do_open(dev, filename, sptr);
- if (IS_ERR(priv))
- return priv;
-
- if (!*sptr) {
- /*
- * The nfs server didn't provide obj_attributes in the lookup
- * reply, so ask for them explicitly.
- */
- ret = nfs_attr_req(priv, s);
- if (ret) {
- nfs_do_close(priv);
- return ERR_PTR(ret);
- }
- }
-
- return priv;
-}
-
-static int nfs_readlink_req(struct file_priv *priv, char* buf, size_t size)
+static int nfs_readlink_req(struct nfs_priv *npriv, struct nfs_fh *fh,
+ char **target)
{
uint32_t data[1024];
uint32_t *p;
@@ -1095,11 +973,11 @@ static int nfs_readlink_req(struct file_priv *priv, char* buf, size_t size)
p = &(data[0]);
p = rpc_add_credentials(p);
- p = nfs_add_fh3(p, priv->filefh_len, priv->filefh);
+ p = nfs_add_fh3(p, fh);
len = p - &(data[0]);
- ret = rpc_req(priv->npriv, PROG_NFS, NFSPROC3_READLINK, data, len);
+ ret = rpc_req(npriv, PROG_NFS, NFSPROC3_READLINK, data, len);
if (ret)
return ret;
@@ -1110,44 +988,37 @@ static int nfs_readlink_req(struct file_priv *priv, char* buf, size_t size)
len = ntoh32(net_read_uint32(p)); /* new path length */
p++;
- if (len > size)
- return -ENOMEM;
-
- memcpy(buf, p, len);
+ *target = xzalloc(len + 1);
+ memcpy(*target, p, len);
return 0;
}
-static int nfs_readlink(struct device_d *dev, const char *filename,
- char *realname, size_t size)
+static const char *nfs_get_link(struct dentry *dentry, struct inode *inode)
{
- struct file_priv *priv;
+ struct nfs_inode *ninode = nfsi(inode);
+ struct nfs_priv *npriv = ninode->npriv;
int ret;
- priv = nfs_do_open(dev, filename, NULL);
- if (IS_ERR(priv))
- return PTR_ERR(priv);
-
- ret = nfs_readlink_req(priv, realname, size);
- if (ret) {
- nfs_do_close(priv);
- return ret;
- }
+ ret = nfs_readlink_req(npriv, &ninode->fh, &inode->i_link);
+ if (ret)
+ return ERR_PTR(ret);
- return 0;
+ return inode->i_link;
}
static int nfs_open(struct device_d *dev, FILE *file, const char *filename)
{
+ struct inode *inode = file->f_inode;
+ struct nfs_inode *ninode = nfsi(inode);
+ struct nfs_priv *npriv = ninode->npriv;
struct file_priv *priv;
- struct stat s;
-
- priv = nfs_do_stat(dev, filename, &s);
- if (IS_ERR(priv))
- return PTR_ERR(priv);
+ priv = xzalloc(sizeof(*priv));
+ priv->fh = ninode->fh;
+ priv->npriv = npriv;
file->priv = priv;
- file->size = s.st_size;
+ file->size = inode->i_size;
priv->fifo = kfifo_alloc(1024);
if (!priv->fifo) {
@@ -1199,115 +1070,170 @@ static loff_t nfs_lseek(struct device_d *dev, FILE *file, loff_t pos)
return file->pos;
}
-static DIR *nfs_opendir(struct device_d *dev, const char *pathname)
+static int nfs_iterate(struct file *file, struct dir_context *ctx)
{
- struct file_priv *priv;
+ struct dentry *dentry = file->f_path.dentry;
+ struct inode *dir = d_inode(dentry);
+ struct nfs_priv *npriv = nfsi(dir)->npriv;
void *buf = NULL;
- struct nfs_dir *dir;
+ struct nfs_dir *ndir;
+ struct xdr_stream *xdr;
+ int ret;
+ uint32_t *p, len;
- priv = nfs_do_open(dev, pathname, NULL);
- if (IS_ERR(priv))
- return NULL;
+ ndir = xzalloc(sizeof(*ndir));
+ ndir->fh = nfsi(dir)->fh;
- dir = xzalloc(sizeof(*dir));
- dir->priv = priv;
+ while (1) {
+ /* cookie == 0 and cookieverf == 0 means start of dir */
+ buf = nfs_readdirattr_req(npriv, ndir);
+ if (!buf) {
+ pr_err("%s: nfs_readdirattr_req failed\n", __func__);
+ ret = -EINVAL;
+ goto out;
+ }
- /* cookie == 0 and cookieverf == 0 means start of dir */
- buf = nfs_readdirattr_req(priv, dir);
- if (!buf) {
- debug("%s: nfs_readdirattr_req failed\n", __func__);
- goto err;
- }
+ xdr = &ndir->stream;
- return &dir->dir;
+ while (1) {
+ char name[256];
-err:
- free(buf);
- free(dir);
- nfs_do_close(priv);
- return NULL;
-}
+ p = xdr_inline_decode(xdr, 4);
+ if (!p)
+ goto err_eop;
-static struct dirent *nfs_readdir(struct device_d *dev, DIR *dir)
-{
- struct nfs_dir *ndir = container_of(dir, struct nfs_dir, dir);
- uint32_t *p;
- int ret;
- int len;
- struct xdr_stream *xdr = &ndir->stream;
+ if (!net_read_uint32(p)) {
+ /* eof? */
+ p = xdr_inline_decode(xdr, 4);
+ if (!p)
+ goto err_eop;
-again:
- p = xdr_inline_decode(xdr, 4);
- if (!p) {
- printf("%s: premature end of packet\n", __func__);
- return NULL;
- }
+ if (net_read_uint32(p)) {
+ ret = 0;
+ goto out;
+ }
- if (!net_read_uint32(p)) {
- /* eof? */
- p = xdr_inline_decode(xdr, 4);
- if (!p) {
- printf("%s: premature end of packet\n", __func__);
- return NULL;
- }
- if (net_read_uint32(p))
- return NULL;
+ break;
+ }
- if (!nfs_readdirattr_req(ndir->priv, ndir)) {
- printf("%s: nfs_readdirattr_req failed\n", __func__);
- return NULL;
- }
+ /* skip over fileid */
+ p = xdr_inline_decode(xdr, 8);
+ if (!p)
+ goto err_eop;
- goto again;
- }
+ ret = decode_filename(xdr, name, &len);
+ if (ret)
+ goto out;
- /* there is another entry available in the last reply */
+ dir_emit(ctx, name, len, 0, DT_UNKNOWN);
- /* skip over fileid */
- p = xdr_inline_decode(xdr, 8);
- if (!p) {
- printf("%s: premature end of packet\n", __func__);
- return NULL;
+ p = xdr_inline_decode(xdr, 8);
+ if (!p)
+ goto err_eop;
+
+ ndir->cookie = ntoh64(net_read_uint64(p));
+ }
+ free(buf);
}
- ret = decode_filename(xdr, ndir->ent.d_name, &len);
- if (ret)
- return NULL;
+ ret = 0;
- p = xdr_inline_decode(xdr, 8);
- if (!p) {
- printf("%s: premature end of packet\n", __func__);
+out:
+ free(ndir->stream.buf);
+ free(ndir);
+
+ return ret;
+
+err_eop:
+ pr_err("Unexpected end of packet\n");
+
+ return -EIO;
+}
+
+static struct inode *nfs_alloc_inode(struct super_block *sb)
+{
+ struct nfs_inode *node;
+
+ node = xzalloc(sizeof(*node));
+ if (!node)
return NULL;
- }
- ndir->cookie = ntoh64(net_read_uint64(p));
- return &ndir->ent;
+ return &node->inode;
}
-static int nfs_closedir(struct device_d *dev, DIR *dir)
+static const struct inode_operations nfs_file_inode_operations;
+static const struct file_operations nfs_dir_operations;
+static const struct inode_operations nfs_dir_inode_operations;
+static const struct file_operations nfs_file_operations;
+static const struct inode_operations nfs_symlink_inode_operations = {
+ .get_link = nfs_get_link,
+};
+
+static int nfs_init_inode(struct nfs_priv *npriv, struct inode *inode,
+ unsigned int mode)
{
- struct nfs_dir *ndir = (void *)dir;
+ struct nfs_inode *ninode = nfsi(inode);
- nfs_do_close(ndir->priv);
- free(ndir->stream.buf);
- free(ndir);
+ ninode->npriv = npriv;
+
+ inode->i_ino = get_next_ino();
+ inode->i_mode = mode;
+
+ switch (inode->i_mode & S_IFMT) {
+ default:
+ return -EINVAL;
+ case S_IFREG:
+ inode->i_op = &nfs_file_inode_operations;
+ inode->i_fop = &nfs_file_operations;
+ break;
+ case S_IFDIR:
+ inode->i_op = &nfs_dir_inode_operations;
+ inode->i_fop = &nfs_dir_operations;
+ inc_nlink(inode);
+ break;
+ case S_IFLNK:
+ inode->i_op = &nfs_symlink_inode_operations;
+ break;
+ }
return 0;
}
-static int nfs_stat(struct device_d *dev, const char *filename, struct stat *s)
+static struct dentry *nfs_lookup(struct inode *dir, struct dentry *dentry,
+ unsigned int flags)
{
- struct file_priv *priv;
+ struct nfs_inode *ndir = nfsi(dir);
+ struct inode *inode = new_inode(dir->i_sb);
+ struct nfs_priv *npriv = ndir->npriv;
+ int ret;
- priv = nfs_do_stat(dev, filename, s);
- if (IS_ERR(priv)) {
- return PTR_ERR(priv);
- } else {
- nfs_do_close(priv);
- return 0;
- }
+ if (!inode)
+ return NULL;
+
+ ret = nfs_lookup_req(npriv, &ndir->fh, dentry->name, inode);
+ if (ret)
+ return NULL;
+
+ nfs_init_inode(npriv, inode, inode->i_mode);
+
+ d_add(dentry, inode);
+
+ return NULL;
}
+static const struct file_operations nfs_dir_operations = {
+ .iterate = nfs_iterate,
+};
+
+static const struct inode_operations nfs_dir_inode_operations =
+{
+ .lookup = nfs_lookup,
+};
+
+static const struct super_operations nfs_ops = {
+ .alloc_inode = nfs_alloc_inode,
+};
+
static char *rootnfsopts;
static void nfs_set_rootarg(struct nfs_priv *npriv, struct fs_device_d *fsdev)
@@ -1347,8 +1273,10 @@ static int nfs_probe(struct device_d *dev)
{
struct fs_device_d *fsdev = dev_to_fs_device(dev);
struct nfs_priv *npriv = xzalloc(sizeof(struct nfs_priv));
+ struct super_block *sb = &fsdev->sb;
char *tmp = xstrdup(fsdev->backingstore);
char *path;
+ struct inode *inode;
int ret;
dev->priv = npriv;
@@ -1414,6 +1342,13 @@ static int nfs_probe(struct device_d *dev)
free(tmp);
+ sb->s_op = &nfs_ops;
+
+ inode = new_inode(sb);
+ nfs_set_fh(inode, &npriv->rootfh);
+ nfs_init_inode(npriv, inode, S_IFDIR);
+ sb->s_root = d_make_root(inode);
+
return 0;
err2:
@@ -1443,17 +1378,8 @@ static struct fs_driver_d nfs_driver = {
.close = nfs_close,
.read = nfs_read,
.lseek = nfs_lseek,
- .opendir = nfs_opendir,
- .readdir = nfs_readdir,
- .closedir = nfs_closedir,
- .stat = nfs_stat,
- .create = nfs_create,
- .unlink = nfs_unlink,
- .mkdir = nfs_mkdir,
- .rmdir = nfs_rmdir,
.write = nfs_write,
.truncate = nfs_truncate,
- .readlink = nfs_readlink,
.flags = 0,
.drv = {
.probe = nfs_probe,
--
2.16.1
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