#ifdef CONFIG_CIFS_DFS_UPCALL
#include "dfs_cache.h"
#endif
+#ifdef CONFIG_CIFS_SWN_UPCALL
+#include "netlink.h"
+#endif
+#include "fs_context.h"
/*
* DOS dates from 1980/1/1 through 2107/12/31
if (rc)
goto out_no_root;
/* tune readahead according to rsize */
- sb->s_bdi->ra_pages = cifs_sb->rsize / PAGE_SIZE;
+ sb->s_bdi->ra_pages = cifs_sb->ctx->rsize / PAGE_SIZE;
sb->s_blocksize = CIFS_MAX_MSGSIZE;
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
seq_puts(s, "loose");
}
-static void
-cifs_show_nls(struct seq_file *s, struct nls_table *cur)
+/*
+ * cifs_show_devname() is used so we show the mount device name with correct
+ * format (e.g. forward slashes vs. back slashes) in /proc/mounts
+ */
+static int cifs_show_devname(struct seq_file *m, struct dentry *root)
{
- struct nls_table *def;
-
- /* Display iocharset= option if it's not default charset */
- def = load_nls_default();
- if (def != cur)
- seq_printf(s, ",iocharset=%s", cur->charset);
- unload_nls(def);
+ struct cifs_sb_info *cifs_sb = CIFS_SB(root->d_sb);
+ char *devname = kstrdup(cifs_sb->ctx->UNC, GFP_KERNEL);
+
+ if (devname == NULL)
+ seq_puts(m, "none");
+ else {
+ convert_delimiter(devname, '/');
+ seq_puts(m, devname);
+ kfree(devname);
+ }
+ return 0;
}
/*
if (tcon->no_lease)
seq_puts(s, ",nolease");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)
+ if (cifs_sb->ctx->multiuser)
seq_puts(s, ",multiuser");
else if (tcon->ses->user_name)
seq_show_option(s, "username", tcon->ses->user_name);
}
seq_printf(s, ",uid=%u",
- from_kuid_munged(&init_user_ns, cifs_sb->mnt_uid));
+ from_kuid_munged(&init_user_ns, cifs_sb->ctx->linux_uid));
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
seq_puts(s, ",forceuid");
else
seq_puts(s, ",noforceuid");
seq_printf(s, ",gid=%u",
- from_kgid_munged(&init_user_ns, cifs_sb->mnt_gid));
+ from_kgid_munged(&init_user_ns, cifs_sb->ctx->linux_gid));
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
seq_puts(s, ",forcegid");
else
if (!tcon->unix_ext)
seq_printf(s, ",file_mode=0%ho,dir_mode=0%ho",
- cifs_sb->mnt_file_mode,
- cifs_sb->mnt_dir_mode);
-
- cifs_show_nls(s, cifs_sb->local_nls);
-
+ cifs_sb->ctx->file_mode,
+ cifs_sb->ctx->dir_mode);
+ if (cifs_sb->ctx->iocharset)
+ seq_printf(s, ",iocharset=%s", cifs_sb->ctx->iocharset);
if (tcon->seal)
seq_puts(s, ",seal");
else if (tcon->ses->server->ignore_signature)
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID)
seq_printf(s, ",backupuid=%u",
from_kuid_munged(&init_user_ns,
- cifs_sb->mnt_backupuid));
+ cifs_sb->ctx->backupuid));
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID)
seq_printf(s, ",backupgid=%u",
from_kgid_munged(&init_user_ns,
- cifs_sb->mnt_backupgid));
+ cifs_sb->ctx->backupgid));
- seq_printf(s, ",rsize=%u", cifs_sb->rsize);
- seq_printf(s, ",wsize=%u", cifs_sb->wsize);
- seq_printf(s, ",bsize=%u", cifs_sb->bsize);
+ seq_printf(s, ",rsize=%u", cifs_sb->ctx->rsize);
+ seq_printf(s, ",wsize=%u", cifs_sb->ctx->wsize);
+ seq_printf(s, ",bsize=%u", cifs_sb->ctx->bsize);
if (tcon->ses->server->min_offload)
seq_printf(s, ",esize=%u", tcon->ses->server->min_offload);
seq_printf(s, ",echo_interval=%lu",
if (tcon->handle_timeout)
seq_printf(s, ",handletimeout=%u", tcon->handle_timeout);
/* convert actimeo and display it in seconds */
- seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
+ seq_printf(s, ",actimeo=%lu", cifs_sb->ctx->actimeo / HZ);
if (tcon->ses->chan_max > 1)
seq_printf(s, ",multichannel,max_channels=%zu",
tcon->ses->chan_max);
+#ifdef CONFIG_CIFS_SWN_UPCALL
+ if (tcon->use_witness)
+ seq_puts(s, ",witness");
+#endif
+
return 0;
}
}
#endif
-static int cifs_remount(struct super_block *sb, int *flags, char *data)
-{
- sync_filesystem(sb);
- *flags |= SB_NODIRATIME;
- return 0;
-}
-
static int cifs_drop_inode(struct inode *inode)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
.free_inode = cifs_free_inode,
.drop_inode = cifs_drop_inode,
.evict_inode = cifs_evict_inode,
+/* .show_path = cifs_show_path, */ /* Would we ever need show path? */
+ .show_devname = cifs_show_devname,
/* .delete_inode = cifs_delete_inode, */ /* Do not need above
function unless later we add lazy close of inodes or unless the
kernel forgets to call us with the same number of releases (closes)
as opens */
.show_options = cifs_show_options,
.umount_begin = cifs_umount_begin,
- .remount_fs = cifs_remount,
#ifdef CONFIG_CIFS_STATS2
.show_stats = cifs_show_stats,
#endif
* Return dentry with refcount + 1 on success and NULL otherwise.
*/
static struct dentry *
-cifs_get_root(struct smb_vol *vol, struct super_block *sb)
+cifs_get_root(struct smb3_fs_context *ctx, struct super_block *sb)
{
struct dentry *dentry;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
return dget(sb->s_root);
- full_path = cifs_build_path_to_root(vol, cifs_sb,
+ full_path = cifs_build_path_to_root(ctx, cifs_sb,
cifs_sb_master_tcon(cifs_sb), 0);
if (full_path == NULL)
return ERR_PTR(-ENOMEM);
return set_anon_super(sb, NULL);
}
-static struct dentry *
+struct dentry *
cifs_smb3_do_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data, bool is_smb3)
+ int flags, struct smb3_fs_context *old_ctx)
{
int rc;
struct super_block *sb;
- struct cifs_sb_info *cifs_sb;
- struct smb_vol *volume_info;
+ struct cifs_sb_info *cifs_sb = NULL;
struct cifs_mnt_data mnt_data;
struct dentry *root;
* If CIFS_DEBUG && cifs_FYI
*/
if (cifsFYI)
- cifs_dbg(FYI, "Devname: %s flags: %d\n", dev_name, flags);
+ cifs_dbg(FYI, "Devname: %s flags: %d\n", old_ctx->UNC, flags);
else
- cifs_info("Attempting to mount %s\n", dev_name);
-
- volume_info = cifs_get_volume_info((char *)data, dev_name, is_smb3);
- if (IS_ERR(volume_info))
- return ERR_CAST(volume_info);
+ cifs_info("Attempting to mount %s\n", old_ctx->UNC);
cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL);
if (cifs_sb == NULL) {
root = ERR_PTR(-ENOMEM);
- goto out_nls;
+ goto out;
}
- cifs_sb->mountdata = kstrndup(data, PAGE_SIZE, GFP_KERNEL);
- if (cifs_sb->mountdata == NULL) {
+ cifs_sb->ctx = kzalloc(sizeof(struct smb3_fs_context), GFP_KERNEL);
+ if (!cifs_sb->ctx) {
root = ERR_PTR(-ENOMEM);
- goto out_free;
+ goto out;
+ }
+ rc = smb3_fs_context_dup(cifs_sb->ctx, old_ctx);
+ if (rc) {
+ root = ERR_PTR(rc);
+ goto out;
+ }
+
+ rc = cifs_setup_volume_info(cifs_sb->ctx);
+ if (rc) {
+ root = ERR_PTR(rc);
+ goto out;
}
- rc = cifs_setup_cifs_sb(volume_info, cifs_sb);
+ rc = cifs_setup_cifs_sb(cifs_sb);
if (rc) {
root = ERR_PTR(rc);
- goto out_free;
+ goto out;
}
- rc = cifs_mount(cifs_sb, volume_info);
+ rc = cifs_mount(cifs_sb, cifs_sb->ctx);
if (rc) {
if (!(flags & SB_SILENT))
cifs_dbg(VFS, "cifs_mount failed w/return code = %d\n",
rc);
root = ERR_PTR(rc);
- goto out_free;
+ goto out;
}
- mnt_data.vol = volume_info;
+ mnt_data.ctx = cifs_sb->ctx;
mnt_data.cifs_sb = cifs_sb;
mnt_data.flags = flags;
if (IS_ERR(sb)) {
root = ERR_CAST(sb);
cifs_umount(cifs_sb);
+ cifs_sb = NULL;
goto out;
}
if (sb->s_root) {
cifs_dbg(FYI, "Use existing superblock\n");
cifs_umount(cifs_sb);
+ cifs_sb = NULL;
} else {
rc = cifs_read_super(sb);
if (rc) {
sb->s_flags |= SB_ACTIVE;
}
- root = cifs_get_root(volume_info, sb);
+ root = cifs_get_root(cifs_sb ? cifs_sb->ctx : old_ctx, sb);
if (IS_ERR(root))
goto out_super;
cifs_dbg(FYI, "dentry root is: %p\n", root);
- goto out;
+ return root;
out_super:
deactivate_locked_super(sb);
out:
- cifs_cleanup_volume_info(volume_info);
+ if (cifs_sb) {
+ kfree(cifs_sb->prepath);
+ smb3_cleanup_fs_context(cifs_sb->ctx);
+ kfree(cifs_sb);
+ }
return root;
-
-out_free:
- kfree(cifs_sb->prepath);
- kfree(cifs_sb->mountdata);
- kfree(cifs_sb);
-out_nls:
- unload_nls(volume_info->local_nls);
- goto out;
}
-static struct dentry *
-smb3_do_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
-{
- return cifs_smb3_do_mount(fs_type, flags, dev_name, data, true);
-}
-
-static struct dentry *
-cifs_do_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data)
-{
- return cifs_smb3_do_mount(fs_type, flags, dev_name, data, false);
-}
static ssize_t
cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
struct file_system_type cifs_fs_type = {
.owner = THIS_MODULE,
.name = "cifs",
- .mount = cifs_do_mount,
+ .init_fs_context = smb3_init_fs_context,
+ .parameters = smb3_fs_parameters,
.kill_sb = cifs_kill_sb,
.fs_flags = FS_RENAME_DOES_D_MOVE,
};
static struct file_system_type smb3_fs_type = {
.owner = THIS_MODULE,
.name = "smb3",
- .mount = smb3_do_mount,
+ .init_fs_context = smb3_init_fs_context,
+ .parameters = smb3_fs_parameters,
.kill_sb = cifs_kill_sb,
.fs_flags = FS_RENAME_DOES_D_MOVE,
};
if (rc)
goto out_destroy_dfs_cache;
#endif /* CONFIG_CIFS_UPCALL */
+#ifdef CONFIG_CIFS_SWN_UPCALL
+ rc = cifs_genl_init();
+ if (rc)
+ goto out_register_key_type;
+#endif /* CONFIG_CIFS_SWN_UPCALL */
rc = init_cifs_idmap();
if (rc)
- goto out_register_key_type;
+ goto out_cifs_swn_init;
rc = register_filesystem(&cifs_fs_type);
if (rc)
out_init_cifs_idmap:
exit_cifs_idmap();
+out_cifs_swn_init:
+#ifdef CONFIG_CIFS_SWN_UPCALL
+ cifs_genl_exit();
out_register_key_type:
+#endif
#ifdef CONFIG_CIFS_UPCALL
exit_cifs_spnego();
out_destroy_dfs_cache:
unregister_filesystem(&smb3_fs_type);
cifs_dfs_release_automount_timer();
exit_cifs_idmap();
+#ifdef CONFIG_CIFS_SWN_UPCALL
+ cifs_genl_exit();
+#endif
#ifdef CONFIG_CIFS_UPCALL
exit_cifs_spnego();
#endif
projects / linux-2.6-microblaze.git / blobdiff