#include "v9fs_vfs.h"
#include "fid.h"
-static void v9fs_clear_inode(struct inode *);
static const struct super_operations v9fs_super_ops;
/**
- * v9fs_clear_inode - release an inode
- * @inode: inode to release
- *
- */
-
-static void v9fs_clear_inode(struct inode *inode)
-{
- filemap_fdatawrite(inode->i_mapping);
-}
-
-/**
* v9fs_set_super - set the superblock
* @s: super block
* @data: file system specific data
* v9fs_fill_super - populate superblock with info
* @sb: superblock
* @v9ses: session information
+ * @flags: flags propagated from v9fs_get_sb()
*
*/
static void
v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
- int flags)
+ int flags, void *data)
{
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize_bits = fls(v9ses->maxdata - 1);
sb->s_flags = flags | MS_ACTIVE | MS_SYNCHRONOUS | MS_DIRSYNC |
MS_NOATIME;
+
+ save_mount_options(sb, data);
}
/**
struct inode *inode = NULL;
struct dentry *root = NULL;
struct v9fs_session_info *v9ses = NULL;
- struct p9_stat *st = NULL;
+ struct p9_wstat *st = NULL;
int mode = S_IRWXUGO | S_ISVTX;
- uid_t uid = current->fsuid;
- gid_t gid = current->fsgid;
struct p9_fid *fid;
int retval = 0;
fid = v9fs_session_init(v9ses, dev_name, data);
if (IS_ERR(fid)) {
retval = PTR_ERR(fid);
- fid = NULL;
- kfree(v9ses);
- v9ses = NULL;
- goto error;
+ goto close_session;
}
st = p9_client_stat(fid);
if (IS_ERR(st)) {
retval = PTR_ERR(st);
- goto error;
+ goto clunk_fid;
}
sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
if (IS_ERR(sb)) {
retval = PTR_ERR(sb);
- goto error;
+ goto free_stat;
}
- v9fs_fill_super(sb, v9ses, flags);
+ v9fs_fill_super(sb, v9ses, flags, data);
inode = v9fs_get_inode(sb, S_IFDIR | mode);
if (IS_ERR(inode)) {
retval = PTR_ERR(inode);
- goto error;
+ goto release_sb;
}
- inode->i_uid = uid;
- inode->i_gid = gid;
-
root = d_alloc_root(inode);
if (!root) {
+ iput(inode);
retval = -ENOMEM;
- goto error;
+ goto release_sb;
}
sb->s_root = root;
root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
+
v9fs_stat2inode(st, root->d_inode, sb);
+
v9fs_fid_add(root, fid);
+ p9stat_free(st);
+ kfree(st);
- return simple_set_mnt(mnt, sb);
+P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
+ simple_set_mnt(mnt, sb);
+ return 0;
-error:
- if (fid)
- p9_client_clunk(fid);
+free_stat:
+ p9stat_free(st);
+ kfree(st);
- if (v9ses) {
- v9fs_session_close(v9ses);
- kfree(v9ses);
- }
+clunk_fid:
+ p9_client_clunk(fid);
- if (sb) {
- up_write(&sb->s_umount);
- deactivate_super(sb);
- }
+close_session:
+ v9fs_session_close(v9ses);
+ kfree(v9ses);
+ return retval;
+release_sb:
+ p9stat_free(st);
+ kfree(st);
+ deactivate_locked_super(sb);
return retval;
}
v9fs_session_close(v9ses);
kfree(v9ses);
+ s->s_fs_info = NULL;
P9_DPRINTK(P9_DEBUG_VFS, "exiting kill_super\n");
}
-/**
- * v9fs_show_options - Show mount options in /proc/mounts
- * @m: seq_file to write to
- * @mnt: mount descriptor
- *
- */
-
-static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt)
-{
- struct v9fs_session_info *v9ses = mnt->mnt_sb->s_fs_info;
-
- if (v9ses->debug != 0)
- seq_printf(m, ",debug=%x", 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);
- 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);
+ v9ses = sb->s_fs_info;
+ v9fs_session_cancel(v9ses);
}
static const struct super_operations v9fs_super_ops = {
+#ifdef CONFIG_9P_FSCACHE
+ .alloc_inode = v9fs_alloc_inode,
+ .destroy_inode = v9fs_destroy_inode,
+#endif
.statfs = simple_statfs,
.clear_inode = v9fs_clear_inode,
- .show_options = v9fs_show_options,
+ .show_options = generic_show_options,
.umount_begin = v9fs_umount_begin,
};