*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
inode_init_once(&f->vfs_inode);
}
-static void jffs2_write_super(struct super_block *sb)
-{
- struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
-
- lock_super(sb);
- sb->s_dirt = 0;
-
- if (!(sb->s_flags & MS_RDONLY)) {
- D1(printk(KERN_DEBUG "jffs2_write_super()\n"));
- jffs2_flush_wbuf_gc(c, 0);
- }
-
- unlock_super(sb);
-}
-
static const char *jffs2_compr_name(unsigned int compr)
{
switch (compr) {
if (opts->override_compr)
seq_printf(s, ",compr=%s", jffs2_compr_name(opts->compr));
+ if (opts->rp_size)
+ seq_printf(s, ",rp_size=%u", opts->rp_size / 1024);
return 0;
}
{
struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
- jffs2_write_super(sb);
-
mutex_lock(&c->alloc_sem);
jffs2_flush_wbuf_pad(c);
mutex_unlock(&c->alloc_sem);
* JFFS2 mount options.
*
* Opt_override_compr: override default compressor
+ * Opt_rp_size: size of reserved pool in KiB
* Opt_err: just end of array marker
*/
enum {
Opt_override_compr,
+ Opt_rp_size,
Opt_err,
};
static const match_table_t tokens = {
{Opt_override_compr, "compr=%s"},
+ {Opt_rp_size, "rp_size=%u"},
{Opt_err, NULL},
};
{
substring_t args[MAX_OPT_ARGS];
char *p, *name;
+ unsigned int opt;
if (!data)
return 0;
JFFS2_COMPR_MODE_FORCEZLIB;
#endif
else {
- printk(KERN_ERR "JFFS2 Error: unknown compressor \"%s\"",
- name);
+ pr_err("Error: unknown compressor \"%s\"\n",
+ name);
kfree(name);
return -EINVAL;
}
kfree(name);
c->mount_opts.override_compr = true;
break;
+ case Opt_rp_size:
+ if (match_int(&args[0], &opt))
+ return -EINVAL;
+ opt *= 1024;
+ if (opt > c->mtd->size) {
+ pr_warn("Too large reserve pool specified, max "
+ "is %llu KB\n", c->mtd->size / 1024);
+ return -EINVAL;
+ }
+ c->mount_opts.rp_size = opt;
+ break;
default:
- printk(KERN_ERR "JFFS2 Error: unrecognized mount option '%s' or missing value\n",
- p);
+ pr_err("Error: unrecognized mount option '%s' or missing value\n",
+ p);
return -EINVAL;
}
}
.alloc_inode = jffs2_alloc_inode,
.destroy_inode =jffs2_destroy_inode,
.put_super = jffs2_put_super,
- .write_super = jffs2_write_super,
.statfs = jffs2_statfs,
.remount_fs = jffs2_remount_fs,
.evict_inode = jffs2_evict_inode,
struct jffs2_sb_info *c;
int ret;
- D1(printk(KERN_DEBUG "jffs2_get_sb_mtd():"
+ jffs2_dbg(1, "jffs2_get_sb_mtd():"
" New superblock for device %d (\"%s\")\n",
- sb->s_mtd->index, sb->s_mtd->name));
+ sb->s_mtd->index, sb->s_mtd->name);
c = kzalloc(sizeof(*c), GFP_KERNEL);
if (!c)
{
struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
- D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n"));
-
- if (sb->s_dirt)
- jffs2_write_super(sb);
+ jffs2_dbg(2, "%s()\n", __func__);
mutex_lock(&c->alloc_sem);
jffs2_flush_wbuf_pad(c);
kfree(c->inocache_list);
jffs2_clear_xattr_subsystem(c);
mtd_sync(c->mtd);
- D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
+ jffs2_dbg(1, "%s(): returning\n", __func__);
}
static void jffs2_kill_sb(struct super_block *sb)
BUILD_BUG_ON(sizeof(struct jffs2_raw_inode) != 68);
BUILD_BUG_ON(sizeof(struct jffs2_raw_summary) != 32);
- printk(KERN_INFO "JFFS2 version 2.2."
+ pr_info("version 2.2."
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
" (NAND)"
#endif
SLAB_MEM_SPREAD),
jffs2_i_init_once);
if (!jffs2_inode_cachep) {
- printk(KERN_ERR "JFFS2 error: Failed to initialise inode cache\n");
+ pr_err("error: Failed to initialise inode cache\n");
return -ENOMEM;
}
ret = jffs2_compressors_init();
if (ret) {
- printk(KERN_ERR "JFFS2 error: Failed to initialise compressors\n");
+ pr_err("error: Failed to initialise compressors\n");
goto out;
}
ret = jffs2_create_slab_caches();
if (ret) {
- printk(KERN_ERR "JFFS2 error: Failed to initialise slab caches\n");
+ pr_err("error: Failed to initialise slab caches\n");
goto out_compressors;
}
ret = register_filesystem(&jffs2_fs_type);
if (ret) {
- printk(KERN_ERR "JFFS2 error: Failed to register filesystem\n");
+ pr_err("error: Failed to register filesystem\n");
goto out_slab;
}
return 0;