#include "fid.h"
static struct inode_operations v9fs_dir_inode_operations;
+static struct inode_operations v9fs_dir_inode_operations_ext;
static struct inode_operations v9fs_file_inode_operations;
static struct inode_operations v9fs_symlink_inode_operations;
struct inode *v9fs_get_inode(struct super_block *sb, int mode)
{
struct inode *inode = NULL;
+ struct v9fs_session_info *v9ses = sb->s_fs_info;
dprintk(DEBUG_VFS, "super block: %p mode: %o\n", sb, mode);
case S_IFBLK:
case S_IFCHR:
case S_IFSOCK:
+ if(!v9ses->extended) {
+ dprintk(DEBUG_ERROR, "special files without extended mode\n");
+ return ERR_PTR(-EINVAL);
+ }
+ init_special_inode(inode, inode->i_mode,
+ inode->i_rdev);
+ break;
case S_IFREG:
inode->i_op = &v9fs_file_inode_operations;
inode->i_fop = &v9fs_file_operations;
break;
+ case S_IFLNK:
+ if(!v9ses->extended) {
+ dprintk(DEBUG_ERROR, "extended modes used w/o 9P2000.u\n");
+ return ERR_PTR(-EINVAL);
+ }
+ inode->i_op = &v9fs_symlink_inode_operations;
+ break;
case S_IFDIR:
inode->i_nlink++;
- inode->i_op = &v9fs_dir_inode_operations;
+ if(v9ses->extended)
+ inode->i_op = &v9fs_dir_inode_operations_ext;
+ else
+ inode->i_op = &v9fs_dir_inode_operations;
inode->i_fop = &v9fs_dir_operations;
break;
- case S_IFLNK:
- inode->i_op = &v9fs_symlink_inode_operations;
- break;
default:
dprintk(DEBUG_ERROR, "BAD mode 0x%x S_IFMT 0x%x\n",
mode, mode & S_IFMT);
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
struct super_block *sb = dir->i_sb;
struct v9fs_fid *dirfid =
- v9fs_fid_lookup(file_dentry->d_parent, FID_WALK);
+ v9fs_fid_lookup(file_dentry->d_parent);
struct v9fs_fid *fid = NULL;
struct inode *file_inode = NULL;
struct v9fs_fcall *fcall = NULL;
long newfid = -1;
int result = 0;
unsigned int iounit = 0;
+ int wfidno = -1;
perm = unixmode2p9mode(v9ses, perm);
if (result < 0) {
dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
v9fs_put_idpool(newfid, &v9ses->fidpool);
- newfid = 0;
+ newfid = -1;
goto CleanUpFid;
}
qid = fcall->params.rcreate.qid;
kfree(fcall);
- fid = v9fs_fid_create(file_dentry);
+ fid = v9fs_fid_create(file_dentry, v9ses, newfid, 1);
+ dprintk(DEBUG_VFS, "fid %p %d\n", fid, fid->fidcreate);
if (!fid) {
result = -ENOMEM;
goto CleanUpFid;
}
- fid->fid = newfid;
- fid->fidopen = 0;
- fid->fidcreate = 1;
fid->qid = qid;
fid->iounit = iounit;
- fid->rdir_pos = 0;
- fid->rdir_fcall = NULL;
- fid->v9ses = v9ses;
+
+ /* walk to the newly created file and put the fid in the dentry */
+ wfidno = v9fs_get_idpool(&v9ses->fidpool);
+ if (newfid < 0) {
+ eprintk(KERN_WARNING, "no free fids available\n");
+ return -ENOSPC;
+ }
+
+ result = v9fs_t_walk(v9ses, dirfidnum, wfidno,
+ (char *) file_dentry->d_name.name, NULL);
+ if (result < 0) {
+ dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall));
+ v9fs_put_idpool(wfidno, &v9ses->fidpool);
+ wfidno = -1;
+ goto CleanUpFid;
+ }
+
+ if (!v9fs_fid_create(file_dentry, v9ses, wfidno, 0)) {
+ if (!v9fs_t_clunk(v9ses, newfid, &fcall)) {
+ v9fs_put_idpool(wfidno, &v9ses->fidpool);
+ }
+
+ goto CleanUpFid;
+ }
if ((perm & V9FS_DMSYMLINK) || (perm & V9FS_DMLINK) ||
(perm & V9FS_DMNAMEDPIPE) || (perm & V9FS_DMSOCKET) ||
d_instantiate(file_dentry, file_inode);
if (perm & V9FS_DMDIR) {
- if (v9fs_t_clunk(v9ses, newfid, &fcall))
+ if (!v9fs_t_clunk(v9ses, newfid, &fcall))
+ v9fs_put_idpool(newfid, &v9ses->fidpool);
+ else
dprintk(DEBUG_ERROR, "clunk for mkdir failed: %s\n",
FCALL_ERROR(fcall));
-
- v9fs_put_idpool(newfid, &v9ses->fidpool);
kfree(fcall);
fid->fidopen = 0;
fid->fidcreate = 0;
CleanUpFid:
kfree(fcall);
- if (newfid) {
- if (v9fs_t_clunk(v9ses, newfid, &fcall))
+ if (newfid >= 0) {
+ if (!v9fs_t_clunk(v9ses, newfid, &fcall))
+ v9fs_put_idpool(newfid, &v9ses->fidpool);
+ else
+ dprintk(DEBUG_ERROR, "clunk failed: %s\n",
+ FCALL_ERROR(fcall));
+
+ kfree(fcall);
+ }
+ if (wfidno >= 0) {
+ if (!v9fs_t_clunk(v9ses, wfidno, &fcall))
+ v9fs_put_idpool(wfidno, &v9ses->fidpool);
+ else
dprintk(DEBUG_ERROR, "clunk failed: %s\n",
FCALL_ERROR(fcall));
- v9fs_put_idpool(newfid, &v9ses->fidpool);
kfree(fcall);
}
return result;
file_inode = file->d_inode;
sb = file_inode->i_sb;
v9ses = v9fs_inode2v9ses(file_inode);
- v9fid = v9fs_fid_lookup(file, FID_OP);
+ v9fid = v9fs_fid_lookup(file);
if (!v9fid) {
dprintk(DEBUG_ERROR,
sb = dir->i_sb;
v9ses = v9fs_inode2v9ses(dir);
- dirfid = v9fs_fid_lookup(dentry->d_parent, FID_WALK);
+ dirfid = v9fs_fid_lookup(dentry->d_parent);
if (!dirfid) {
dprintk(DEBUG_ERROR, "no dirfid\n");
v9fs_put_idpool(newfid, &v9ses->fidpool);
if (result == -ENOENT) {
d_add(dentry, NULL);
- dprintk(DEBUG_ERROR,
+ dprintk(DEBUG_VFS,
"Return negative dentry %p count %d\n",
dentry, atomic_read(&dentry->d_count));
return NULL;
inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid);
- fid = v9fs_fid_create(dentry);
+ fid = v9fs_fid_create(dentry, v9ses, newfid, 0);
if (fid == NULL) {
dprintk(DEBUG_ERROR, "couldn't insert\n");
result = -ENOMEM;
goto FreeFcall;
}
- fid->fid = newfid;
- fid->fidopen = 0;
- fid->v9ses = v9ses;
fid->qid = fcall->params.rstat.stat->qid;
dentry->d_op = &v9fs_dentry_operations;
{
struct inode *old_inode = old_dentry->d_inode;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(old_inode);
- struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_WALK);
+ struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
struct v9fs_fid *olddirfid =
- v9fs_fid_lookup(old_dentry->d_parent, FID_WALK);
+ v9fs_fid_lookup(old_dentry->d_parent);
struct v9fs_fid *newdirfid =
- v9fs_fid_lookup(new_dentry->d_parent, FID_WALK);
+ v9fs_fid_lookup(new_dentry->d_parent);
struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
struct v9fs_fcall *fcall = NULL;
int fid = -1;
{
struct v9fs_fcall *fcall = NULL;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
- struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+ struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
int err = -EPERM;
dprintk(DEBUG_VFS, "dentry: %p\n", dentry);
static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
- struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+ struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
struct v9fs_fcall *fcall = NULL;
struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
int res = -EPERM;
if (retval != 0)
goto FreeFcall;
- newfid = v9fs_fid_lookup(dentry, FID_OP);
+ newfid = v9fs_fid_lookup(dentry);
/* issue a twstat */
v9fs_blank_mistat(v9ses, mistat);
struct v9fs_fcall *fcall = NULL;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode);
- struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP);
+ struct v9fs_fid *fid = v9fs_fid_lookup(dentry);
if (!fid) {
dprintk(DEBUG_ERROR, "could not resolve fid from dentry\n");
int ret;
char *link = __getname();
- if (strlen(link) < buflen)
- buflen = strlen(link);
+ if (buflen > PATH_MAX)
+ buflen = PATH_MAX;
dprintk(DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry);
}
}
- putname(link);
+ __putname(link);
return retval;
}
len = v9fs_readlink(dentry, link, strlen(link));
if (len < 0) {
- putname(link);
+ __putname(link);
link = ERR_PTR(len);
} else
link[len] = 0;
dprintk(DEBUG_VFS, " %s %s\n", dentry->d_name.name, s);
if (!IS_ERR(s))
- putname(s);
+ __putname(s);
}
/**
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
struct v9fs_fcall *fcall = NULL;
struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL);
- struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_OP);
+ struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry);
struct v9fs_fid *newfid = NULL;
char *symname = __getname();
if (retval != 0)
goto FreeMem;
- newfid = v9fs_fid_lookup(dentry, FID_OP);
+ newfid = v9fs_fid_lookup(dentry);
if (!newfid) {
dprintk(DEBUG_ERROR, "couldn't resolve fid from dentry\n");
goto FreeMem;
FreeMem:
kfree(mistat);
kfree(fcall);
- putname(symname);
+ __putname(symname);
return retval;
}
if (retval != 0)
goto FreeMem;
- newfid = v9fs_fid_lookup(dentry, FID_OP);
+ newfid = v9fs_fid_lookup(dentry);
if (!newfid) {
dprintk(DEBUG_ERROR, "coudn't resove fid from dentry\n");
retval = -EINVAL;
FreeMem:
kfree(mistat);
kfree(fcall);
- putname(symname);
+ __putname(symname);
return retval;
}
-static struct inode_operations v9fs_dir_inode_operations = {
+static struct inode_operations v9fs_dir_inode_operations_ext = {
.create = v9fs_vfs_create,
.lookup = v9fs_vfs_lookup,
.symlink = v9fs_vfs_symlink,
.setattr = v9fs_vfs_setattr,
};
+static struct inode_operations v9fs_dir_inode_operations = {
+ .create = v9fs_vfs_create,
+ .lookup = v9fs_vfs_lookup,
+ .unlink = v9fs_vfs_unlink,
+ .mkdir = v9fs_vfs_mkdir,
+ .rmdir = v9fs_vfs_rmdir,
+ .mknod = v9fs_vfs_mknod,
+ .rename = v9fs_vfs_rename,
+ .getattr = v9fs_vfs_getattr,
+ .setattr = v9fs_vfs_setattr,
+};
+
static struct inode_operations v9fs_file_inode_operations = {
.getattr = v9fs_vfs_getattr,
.setattr = v9fs_vfs_setattr,