#include <linux/file.h>
#include <linux/stat.h>
#include <linux/string.h>
-#include <linux/smp_lock.h>
#include <linux/inet.h>
#include <linux/pagemap.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
#include <linux/idr.h>
+#include <linux/sched.h>
+#include <linux/smp_lock.h>
+#include <net/9p/9p.h>
+#include <net/9p/client.h>
-#include "debug.h"
#include "v9fs.h"
-#include "9p.h"
#include "v9fs_vfs.h"
#include "fid.h"
* v9fs_fill_super - populate superblock with info
* @sb: superblock
* @v9ses: session information
+ * @flags: flags propagated from v9fs_get_sb()
*
*/
struct vfsmount *mnt)
{
struct super_block *sb = NULL;
- struct v9fs_fcall *fcall = NULL;
struct inode *inode = NULL;
struct dentry *root = NULL;
struct v9fs_session_info *v9ses = NULL;
- struct v9fs_fid *root_fid = NULL;
+ struct p9_wstat *st = NULL;
int mode = S_IRWXUGO | S_ISVTX;
- uid_t uid = current->fsuid;
- gid_t gid = current->fsgid;
- int stat_result = 0;
- int newfid = 0;
+ uid_t uid = current_fsuid();
+ gid_t gid = current_fsgid();
+ struct p9_fid *fid;
int retval = 0;
- dprintk(DEBUG_VFS, " \n");
+ P9_DPRINTK(P9_DEBUG_VFS, " \n");
+ st = NULL;
v9ses = kzalloc(sizeof(struct v9fs_session_info), GFP_KERNEL);
if (!v9ses)
return -ENOMEM;
- if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
- dprintk(DEBUG_ERROR, "problem initiating session\n");
- retval = newfid;
- goto out_free_session;
+ fid = v9fs_session_init(v9ses, dev_name, data);
+ if (IS_ERR(fid)) {
+ retval = PTR_ERR(fid);
+ goto close_session;
+ }
+
+ st = p9_client_stat(fid);
+ if (IS_ERR(st)) {
+ retval = PTR_ERR(st);
+ goto clunk_fid;
}
sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
if (IS_ERR(sb)) {
retval = PTR_ERR(sb);
- goto out_close_session;
+ goto free_stat;
}
v9fs_fill_super(sb, v9ses, flags);
inode = v9fs_get_inode(sb, S_IFDIR | mode);
if (IS_ERR(inode)) {
retval = PTR_ERR(inode);
- goto put_back_sb;
+ goto release_sb;
}
inode->i_uid = uid;
root = d_alloc_root(inode);
if (!root) {
+ iput(inode);
retval = -ENOMEM;
- goto put_back_sb;
+ goto release_sb;
}
sb->s_root = root;
+ root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
- stat_result = v9fs_t_stat(v9ses, newfid, &fcall);
- if (stat_result < 0) {
- dprintk(DEBUG_ERROR, "stat error\n");
- v9fs_t_clunk(v9ses, newfid);
- } else {
- /* Setup the Root Inode */
- root_fid = v9fs_fid_create(v9ses, newfid);
- if (root_fid == NULL) {
- retval = -ENOMEM;
- goto put_back_sb;
- }
-
- retval = v9fs_fid_insert(root_fid, root);
- if (retval < 0) {
- kfree(fcall);
- goto put_back_sb;
- }
-
- root_fid->qid = fcall->params.rstat.stat.qid;
- root->d_inode->i_ino =
- v9fs_qid2ino(&fcall->params.rstat.stat.qid);
- v9fs_stat2inode(&fcall->params.rstat.stat, root->d_inode, sb);
- }
+ v9fs_stat2inode(st, root->d_inode, sb);
- kfree(fcall);
+ v9fs_fid_add(root, fid);
+ p9stat_free(st);
+ kfree(st);
- if (stat_result < 0) {
- retval = stat_result;
- goto put_back_sb;
- }
+P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
+ simple_set_mnt(mnt, sb);
+ return 0;
+
+release_sb:
+ deactivate_locked_super(sb);
- return simple_set_mnt(mnt, sb);
+free_stat:
+ kfree(st);
-out_close_session:
+clunk_fid:
+ p9_client_clunk(fid);
+
+close_session:
v9fs_session_close(v9ses);
-out_free_session:
kfree(v9ses);
- return retval;
-put_back_sb:
- /* deactivate_super calls v9fs_kill_super which will frees the rest */
- up_write(&sb->s_umount);
- deactivate_super(sb);
return retval;
}
{
struct v9fs_session_info *v9ses = s->s_fs_info;
- dprintk(DEBUG_VFS, " %p\n", s);
+ P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);
v9fs_dentry_release(s->s_root); /* clunk root */
v9fs_session_close(v9ses);
kfree(v9ses);
- dprintk(DEBUG_VFS, "exiting kill_super\n");
+ P9_DPRINTK(P9_DEBUG_VFS, "exiting kill_super\n");
}
/**
{
struct v9fs_session_info *v9ses = mnt->mnt_sb->s_fs_info;
- if (v9ses->debug != 0)
- seq_printf(m, ",debug=%u", v9ses->debug);
- if (v9ses->port != V9FS_PORT)
- seq_printf(m, ",port=%u", v9ses->port);
- if (v9ses->maxdata != 9000)
- seq_printf(m, ",msize=%u", v9ses->maxdata);
- if (v9ses->afid != ~0)
- seq_printf(m, ",afid=%u", v9ses->afid);
- if (v9ses->proto == PROTO_UNIX)
- seq_puts(m, ",proto=unix");
- if (v9ses->extended == 0)
- seq_puts(m, ",noextend");
- if (v9ses->nodev == 1)
- seq_puts(m, ",nodevmap");
- seq_printf(m, ",name=%s", v9ses->name);
- seq_printf(m, ",aname=%s", v9ses->remotename);
- seq_printf(m, ",uid=%u", v9ses->uid);
- seq_printf(m, ",gid=%u", v9ses->gid);
+ seq_printf(m, "%s", v9ses->options);
return 0;
}
static void
-v9fs_umount_begin(struct vfsmount *vfsmnt, int flags)
+v9fs_umount_begin(struct super_block *sb)
{
- struct v9fs_session_info *v9ses = vfsmnt->mnt_sb->s_fs_info;
+ struct v9fs_session_info *v9ses;
- if (flags & MNT_FORCE)
- v9fs_session_cancel(v9ses);
+ lock_kernel();
+ v9ses = sb->s_fs_info;
+ v9fs_session_cancel(v9ses);
+ unlock_kernel();
}
static const struct super_operations v9fs_super_ops = {
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