if (ui->xattr && !S_ISREG(inode->i_mode))
return 5;
- if (!ubifs_compr_present(ui->compr_type)) {
+ if (!ubifs_compr_present(c, ui->compr_type)) {
ubifs_warn(c, "inode %lu uses '%s' compression, but it was not compiled in",
- inode->i_ino, ubifs_compr_name(ui->compr_type));
+ inode->i_ino, ubifs_compr_name(c, ui->compr_type));
}
err = dbg_check_dir(c, inode);
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
- ubifs_assert(!ui->xattr);
+ ubifs_assert(c, !ui->xattr);
if (is_bad_inode(inode))
return 0;
goto out;
dbg_gen("inode %lu, mode %#x", inode->i_ino, (int)inode->i_mode);
- ubifs_assert(!atomic_read(&inode->i_count));
+ ubifs_assert(c, !atomic_read(&inode->i_count));
truncate_inode_pages_final(&inode->i_data);
static void ubifs_dirty_inode(struct inode *inode, int flags)
{
+ struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
- ubifs_assert(mutex_is_locked(&ui->ui_mutex));
+ ubifs_assert(c, mutex_is_locked(&ui->ui_mutex));
if (!ui->dirty) {
ui->dirty = 1;
dbg_gen("inode %lu", inode->i_ino);
buf->f_namelen = UBIFS_MAX_NLEN;
buf->f_fsid.val[0] = le32_to_cpu(uuid[0]) ^ le32_to_cpu(uuid[2]);
buf->f_fsid.val[1] = le32_to_cpu(uuid[1]) ^ le32_to_cpu(uuid[3]);
- ubifs_assert(buf->f_bfree <= c->block_cnt);
+ ubifs_assert(c, buf->f_bfree <= c->block_cnt);
return 0;
}
if (c->mount_opts.override_compr) {
seq_printf(s, ",compr=%s",
- ubifs_compr_name(c->mount_opts.compr_type));
+ ubifs_compr_name(c, c->mount_opts.compr_type));
}
+ seq_printf(s, ",assert=%s", ubifs_assert_action_name(c));
seq_printf(s, ",ubi=%d,vol=%d", c->vi.ubi_num, c->vi.vol_id);
return 0;
* Opt_chk_data_crc: check CRCs when reading data nodes
* Opt_no_chk_data_crc: do not check CRCs when reading data nodes
* Opt_override_compr: override default compressor
+ * Opt_assert: set ubifs_assert() action
* Opt_err: just end of array marker
*/
enum {
Opt_chk_data_crc,
Opt_no_chk_data_crc,
Opt_override_compr,
+ Opt_assert,
Opt_ignore,
Opt_err,
};
{Opt_override_compr, "compr=%s"},
{Opt_ignore, "ubi=%s"},
{Opt_ignore, "vol=%s"},
+ {Opt_assert, "assert=%s"},
{Opt_err, NULL},
};
c->default_compr = c->mount_opts.compr_type;
break;
}
+ case Opt_assert:
+ {
+ char *act = match_strdup(&args[0]);
+
+ if (!act)
+ return -ENOMEM;
+ if (!strcmp(act, "report"))
+ c->assert_action = ASSACT_REPORT;
+ else if (!strcmp(act, "read-only"))
+ c->assert_action = ASSACT_RO;
+ else if (!strcmp(act, "panic"))
+ c->assert_action = ASSACT_PANIC;
+ else {
+ ubifs_err(c, "unknown assert action \"%s\"", act);
+ kfree(act);
+ return -EINVAL;
+ }
+ kfree(act);
+ break;
+ }
case Opt_ignore:
break;
default:
*/
static void bu_init(struct ubifs_info *c)
{
- ubifs_assert(c->bulk_read == 1);
+ ubifs_assert(c, c->bulk_read == 1);
if (c->bu.buf)
return; /* Already initialized */
*/
static int check_free_space(struct ubifs_info *c)
{
- ubifs_assert(c->dark_wm > 0);
+ ubifs_assert(c, c->dark_wm > 0);
if (c->lst.total_free + c->lst.total_dirty < c->dark_wm) {
ubifs_err(c, "insufficient free space to mount in R/W mode");
ubifs_dump_budg(c, &c->bi);
* Make sure the compressor which is set as default in the superblock
* or overridden by mount options is actually compiled in.
*/
- if (!ubifs_compr_present(c->default_compr)) {
+ if (!ubifs_compr_present(c, c->default_compr)) {
ubifs_err(c, "'compressor \"%s\" is not compiled in",
- ubifs_compr_name(c->default_compr));
+ ubifs_compr_name(c, c->default_compr));
err = -ENOTSUPP;
goto out_free;
}
* the journal head LEBs may also be accounted as
* "empty taken" if they are empty.
*/
- ubifs_assert(c->lst.taken_empty_lebs > 0);
+ ubifs_assert(c, c->lst.taken_empty_lebs > 0);
}
} else
- ubifs_assert(c->lst.taken_empty_lebs > 0);
+ ubifs_assert(c, c->lst.taken_empty_lebs > 0);
err = dbg_check_filesystem(c);
if (err)
UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION, c->uuid,
c->big_lpt ? ", big LPT model" : ", small LPT model");
- dbg_gen("default compressor: %s", ubifs_compr_name(c->default_compr));
+ dbg_gen("default compressor: %s", ubifs_compr_name(c, c->default_compr));
dbg_gen("data journal heads: %d",
c->jhead_cnt - NONDATA_JHEADS_CNT);
dbg_gen("log LEBs: %d (%d - %d)",
goto out;
} else {
/* A readonly mount is not allowed to have orphans */
- ubifs_assert(c->tot_orphans == 0);
+ ubifs_assert(c, c->tot_orphans == 0);
err = ubifs_clear_orphans(c);
if (err)
goto out;
{
int i, err;
- ubifs_assert(!c->need_recovery);
- ubifs_assert(!c->ro_mount);
+ ubifs_assert(c, !c->need_recovery);
+ ubifs_assert(c, !c->ro_mount);
mutex_lock(&c->umount_mutex);
if (c->bgt) {
* to write them back because of I/O errors.
*/
if (!c->ro_error) {
- ubifs_assert(c->bi.idx_growth == 0);
- ubifs_assert(c->bi.dd_growth == 0);
- ubifs_assert(c->bi.data_growth == 0);
+ ubifs_assert(c, c->bi.idx_growth == 0);
+ ubifs_assert(c, c->bi.dd_growth == 0);
+ ubifs_assert(c, c->bi.data_growth == 0);
}
/*
mutex_unlock(&c->bu_mutex);
}
- ubifs_assert(c->lst.taken_empty_lebs > 0);
+ ubifs_assert(c, c->lst.taken_empty_lebs > 0);
return 0;
}
int dev, vol;
char *endptr;
+ if (!name || !*name)
+ return ERR_PTR(-EINVAL);
+
/* First, try to open using the device node path method */
ubi = ubi_open_volume_path(name, mode);
if (!IS_ERR(ubi))
INIT_LIST_HEAD(&c->orph_list);
INIT_LIST_HEAD(&c->orph_new);
c->no_chk_data_crc = 1;
+ c->assert_action = ASSACT_RO;
c->highest_inum = UBIFS_FIRST_INO;
c->lhead_lnum = c->ltail_lnum = UBIFS_LOG_LNUM;
if (c->max_inode_sz > MAX_LFS_FILESIZE)
sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE;
sb->s_op = &ubifs_super_operations;
+#ifdef CONFIG_UBIFS_FS_XATTR
sb->s_xattr = ubifs_xattr_handlers;
+#endif
#ifdef CONFIG_UBIFS_FS_ENCRYPTION
sb->s_cop = &ubifs_crypt_operations;
#endif
mutex_lock(&c->umount_mutex);
err = mount_ubifs(c);
if (err) {
- ubifs_assert(err < 0);
+ ubifs_assert(c, err < 0);
goto out_unlock;
}
static void __exit ubifs_exit(void)
{
- ubifs_assert(list_empty(&ubifs_infos));
- ubifs_assert(atomic_long_read(&ubifs_clean_zn_cnt) == 0);
+ WARN_ON(list_empty(&ubifs_infos));
+ WARN_ON(atomic_long_read(&ubifs_clean_zn_cnt) == 0);
dbg_debugfs_exit();
ubifs_compressors_exit();
git.samba.org / sfrench / cifs-2.6.git / blobdiff