#include "xattr.h"
#include <trace/events/f2fs.h>
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
static unsigned long dir_blocks(struct inode *inode)
{
return ((unsigned long long) (i_size_read(inode) + PAGE_SIZE - 1))
{
#ifdef CONFIG_UNICODE
struct super_block *sb = dir->i_sb;
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
if (IS_CASEFOLDED(dir)) {
- fname->cf_name.name = f2fs_kmalloc(sbi, F2FS_NAME_LEN,
- GFP_NOFS);
+ fname->cf_name.name = kmem_cache_alloc(f2fs_cf_name_slab,
+ GFP_NOFS);
if (!fname->cf_name.name)
return -ENOMEM;
fname->cf_name.len = utf8_casefold(sb->s_encoding,
fname->cf_name.name,
F2FS_NAME_LEN);
if ((int)fname->cf_name.len <= 0) {
- kfree(fname->cf_name.name);
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
fname->cf_name.name = NULL;
if (sb_has_strict_encoding(sb))
return -EINVAL;
fname->crypto_buf.name = NULL;
#endif
#ifdef CONFIG_UNICODE
- kfree(fname->cf_name.name);
- fname->cf_name.name = NULL;
+ if (fname->cf_name.name) {
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
+ fname->cf_name.name = NULL;
+ }
#endif
}
static struct kmem_cache *fsync_entry_slab;
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi)
{
s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count);
f2fs_hash_filename(dir, fname);
#ifdef CONFIG_UNICODE
/* Case-sensitive match is fine for recovery */
- kfree(fname->cf_name.name);
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
fname->cf_name.name = NULL;
#endif
} else {
return 0;
}
+
+struct kmem_cache *f2fs_cf_name_slab;
+static int __init f2fs_create_casefold_cache(void)
+{
+ f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name",
+ F2FS_NAME_LEN);
+ if (!f2fs_cf_name_slab)
+ return -ENOMEM;
+ return 0;
+}
+
+static void f2fs_destroy_casefold_cache(void)
+{
+ kmem_cache_destroy(f2fs_cf_name_slab);
+}
+#else
+static int __init f2fs_create_casefold_cache(void) { return 0; }
+static void f2fs_destroy_casefold_cache(void) { }
#endif
static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
err = f2fs_init_compress_cache();
if (err)
goto free_compress_mempool;
+ err = f2fs_create_casefold_cache();
+ if (err)
+ goto free_compress_cache;
return 0;
+free_compress_cache:
+ f2fs_destroy_compress_cache();
free_compress_mempool:
f2fs_destroy_compress_mempool();
free_bioset:
static void __exit exit_f2fs_fs(void)
{
+ f2fs_destroy_casefold_cache();
f2fs_destroy_compress_cache();
f2fs_destroy_compress_mempool();
f2fs_destroy_bioset();