Opt_checkpoint_disable_cap,
Opt_checkpoint_disable_cap_perc,
Opt_checkpoint_enable,
+ Opt_compress_algorithm,
+ Opt_compress_log_size,
+ Opt_compress_extension,
Opt_err,
};
{Opt_checkpoint_disable_cap, "checkpoint=disable:%u"},
{Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"},
{Opt_checkpoint_enable, "checkpoint=enable"},
+ {Opt_compress_algorithm, "compress_algorithm=%s"},
+ {Opt_compress_log_size, "compress_log_size=%u"},
+ {Opt_compress_extension, "compress_extension=%s"},
{Opt_err, NULL},
};
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
substring_t args[MAX_OPT_ARGS];
+ unsigned char (*ext)[F2FS_EXTENSION_LEN];
char *p, *name;
- int arg = 0;
+ int arg = 0, ext_cnt;
kuid_t uid;
kgid_t gid;
#ifdef CONFIG_QUOTA
case Opt_checkpoint_enable:
clear_opt(sbi, DISABLE_CHECKPOINT);
break;
+ case Opt_compress_algorithm:
+ if (!f2fs_sb_has_compression(sbi)) {
+ f2fs_err(sbi, "Compression feature if off");
+ return -EINVAL;
+ }
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+ if (strlen(name) == 3 && !strcmp(name, "lzo")) {
+ F2FS_OPTION(sbi).compress_algorithm =
+ COMPRESS_LZO;
+ } else if (strlen(name) == 3 &&
+ !strcmp(name, "lz4")) {
+ F2FS_OPTION(sbi).compress_algorithm =
+ COMPRESS_LZ4;
+ } else {
+ kfree(name);
+ return -EINVAL;
+ }
+ kfree(name);
+ break;
+ case Opt_compress_log_size:
+ if (!f2fs_sb_has_compression(sbi)) {
+ f2fs_err(sbi, "Compression feature is off");
+ return -EINVAL;
+ }
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ if (arg < MIN_COMPRESS_LOG_SIZE ||
+ arg > MAX_COMPRESS_LOG_SIZE) {
+ f2fs_err(sbi,
+ "Compress cluster log size is out of range");
+ return -EINVAL;
+ }
+ F2FS_OPTION(sbi).compress_log_size = arg;
+ break;
+ case Opt_compress_extension:
+ if (!f2fs_sb_has_compression(sbi)) {
+ f2fs_err(sbi, "Compression feature is off");
+ return -EINVAL;
+ }
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+
+ ext = F2FS_OPTION(sbi).extensions;
+ ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+
+ if (strlen(name) >= F2FS_EXTENSION_LEN ||
+ ext_cnt >= COMPRESS_EXT_NUM) {
+ f2fs_err(sbi,
+ "invalid extension length/number");
+ kfree(name);
+ return -EINVAL;
+ }
+
+ strcpy(ext[ext_cnt], name);
+ F2FS_OPTION(sbi).compress_ext_cnt++;
+ kfree(name);
+ break;
default:
f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
p);
f2fs_destroy_node_manager(sbi);
f2fs_destroy_segment_manager(sbi);
+ f2fs_destroy_post_read_wq(sbi);
+
kvfree(sbi->ckpt);
f2fs_unregister_sysfs(sbi);
cpc.reason = __get_cp_reason(sbi);
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
err = f2fs_write_checkpoint(sbi, &cpc);
- mutex_unlock(&sbi->gc_mutex);
+ up_write(&sbi->gc_lock);
}
f2fs_trace_ios(NULL, 1);
return PTR_ERR(dquot);
spin_lock(&dquot->dq_dqb_lock);
- limit = 0;
- if (dquot->dq_dqb.dqb_bsoftlimit)
- limit = dquot->dq_dqb.dqb_bsoftlimit;
- if (dquot->dq_dqb.dqb_bhardlimit &&
- (!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
- limit = dquot->dq_dqb.dqb_bhardlimit;
+ limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
+ dquot->dq_dqb.dqb_bhardlimit);
+ if (limit)
+ limit >>= sb->s_blocksize_bits;
if (limit && buf->f_blocks > limit) {
curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
(buf->f_blocks - curblock) : 0;
}
- limit = 0;
- if (dquot->dq_dqb.dqb_isoftlimit)
- limit = dquot->dq_dqb.dqb_isoftlimit;
- if (dquot->dq_dqb.dqb_ihardlimit &&
- (!limit || dquot->dq_dqb.dqb_ihardlimit < limit))
- limit = dquot->dq_dqb.dqb_ihardlimit;
+ limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
+ dquot->dq_dqb.dqb_ihardlimit);
if (limit && buf->f_files > limit) {
buf->f_files = limit;
#endif
}
+static inline void f2fs_show_compress_options(struct seq_file *seq,
+ struct super_block *sb)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ char *algtype = "";
+ int i;
+
+ if (!f2fs_sb_has_compression(sbi))
+ return;
+
+ switch (F2FS_OPTION(sbi).compress_algorithm) {
+ case COMPRESS_LZO:
+ algtype = "lzo";
+ break;
+ case COMPRESS_LZ4:
+ algtype = "lz4";
+ break;
+ }
+ seq_printf(seq, ",compress_algorithm=%s", algtype);
+
+ seq_printf(seq, ",compress_log_size=%u",
+ F2FS_OPTION(sbi).compress_log_size);
+
+ for (i = 0; i < F2FS_OPTION(sbi).compress_ext_cnt; i++) {
+ seq_printf(seq, ",compress_extension=%s",
+ F2FS_OPTION(sbi).extensions[i]);
+ }
+}
+
static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
{
struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb);
seq_printf(seq, ",fsync_mode=%s", "strict");
else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER)
seq_printf(seq, ",fsync_mode=%s", "nobarrier");
+
+ f2fs_show_compress_options(seq, sbi->sb);
return 0;
}
F2FS_OPTION(sbi).test_dummy_encryption = false;
F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID);
F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID);
+ F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZO;
+ F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE;
+ F2FS_OPTION(sbi).compress_ext_cnt = 0;
set_opt(sbi, BG_GC);
set_opt(sbi, INLINE_XATTR);
f2fs_update_time(sbi, DISABLE_TIME);
while (!f2fs_time_over(sbi, DISABLE_TIME)) {
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
err = f2fs_gc(sbi, true, false, NULL_SEGNO);
if (err == -ENODATA) {
err = 0;
goto restore_flag;
}
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
cpc.reason = CP_PAUSE;
set_sbi_flag(sbi, SBI_CP_DISABLED);
err = f2fs_write_checkpoint(sbi, &cpc);
spin_unlock(&sbi->stat_lock);
out_unlock:
- mutex_unlock(&sbi->gc_mutex);
+ up_write(&sbi->gc_lock);
restore_flag:
sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */
return err;
static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
{
- mutex_lock(&sbi->gc_mutex);
+ down_write(&sbi->gc_lock);
f2fs_dirty_to_prefree(sbi);
clear_sbi_flag(sbi, SBI_CP_DISABLED);
set_sbi_flag(sbi, SBI_IS_DIRTY);
- mutex_unlock(&sbi->gc_mutex);
+ up_write(&sbi->gc_lock);
f2fs_sync_fs(sbi->sb, 1);
}
struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
int ret;
- down_read(&sbi->quota_sem);
+ down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING);
ret = dquot_commit(dquot);
if (ret < 0)
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
static int f2fs_dquot_release(struct dquot *dquot)
{
struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
- int ret;
+ int ret = dquot_release(dquot);
- down_read(&sbi->quota_sem);
- ret = dquot_release(dquot);
if (ret < 0)
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
- up_read(&sbi->quota_sem);
return ret;
}
{
struct super_block *sb = dquot->dq_sb;
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- int ret;
-
- down_read(&sbi->quota_sem);
- ret = dquot_mark_dquot_dirty(dquot);
+ int ret = dquot_mark_dquot_dirty(dquot);
/* if we are using journalled quota */
if (is_journalled_quota(sbi))
set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
- up_read(&sbi->quota_sem);
return ret;
}
static int f2fs_dquot_commit_info(struct super_block *sb, int type)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- int ret;
+ int ret = dquot_commit_info(sb, type);
- down_read(&sbi->quota_sem);
- ret = dquot_commit_info(sb, type);
if (ret < 0)
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
- up_read(&sbi->quota_sem);
return ret;
}
/* init f2fs-specific super block info */
sbi->valid_super_block = valid_super_block;
- mutex_init(&sbi->gc_mutex);
+ init_rwsem(&sbi->gc_lock);
mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
mutex_init(&sbi->resize_mutex);
goto free_devices;
}
+ err = f2fs_init_post_read_wq(sbi);
+ if (err) {
+ f2fs_err(sbi, "Failed to initialize post read workqueue");
+ goto free_devices;
+ }
+
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
percpu_counter_set(&sbi->total_valid_inode_count,
goto free_meta;
}
}
+
+ /*
+ * If the f2fs is not readonly and fsync data recovery succeeds,
+ * check zoned block devices' write pointer consistency.
+ */
+ if (!err && !f2fs_readonly(sb) && f2fs_sb_has_blkzoned(sbi)) {
+ err = f2fs_check_write_pointer(sbi);
+ if (err)
+ goto free_meta;
+ }
+
reset_checkpoint:
/* f2fs_recover_fsync_data() cleared this already */
clear_sbi_flag(sbi, SBI_POR_DOING);
f2fs_destroy_node_manager(sbi);
free_sm:
f2fs_destroy_segment_manager(sbi);
+ f2fs_destroy_post_read_wq(sbi);
free_devices:
destroy_device_list(sbi);
kvfree(sbi->ckpt);
err = f2fs_init_bio_entry_cache();
if (err)
goto free_post_read;
+ err = f2fs_init_bioset();
+ if (err)
+ goto free_bio_enrty_cache;
return 0;
-
+free_bio_enrty_cache:
+ f2fs_destroy_bio_entry_cache();
free_post_read:
f2fs_destroy_post_read_processing();
free_root_stats:
static void __exit exit_f2fs_fs(void)
{
+ f2fs_destroy_bioset();
f2fs_destroy_bio_entry_cache();
f2fs_destroy_post_read_processing();
f2fs_destroy_root_stats();
projects / linux.git / blobdiff