super.c (6aefd93b01379bf0b62f8b38dcf7a21397893833) super.c (60b99b486b568c13cbb7caa83cf8a12af7665f1e)
1/*
2 * fs/f2fs/super.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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210F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, max_small_discards, max_discards);
211F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
212F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
213F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
214F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
215F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
216F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
217F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
1/*
2 * fs/f2fs/super.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

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210F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, max_small_discards, max_discards);
211F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
212F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
213F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
214F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
215F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
216F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
217F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
218F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, cp_interval, cp_interval);
218
219#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
220static struct attribute *f2fs_attrs[] = {
221 ATTR_LIST(gc_min_sleep_time),
222 ATTR_LIST(gc_max_sleep_time),
223 ATTR_LIST(gc_no_gc_sleep_time),
224 ATTR_LIST(gc_idle),
225 ATTR_LIST(reclaim_segments),
226 ATTR_LIST(max_small_discards),
227 ATTR_LIST(batched_trim_sections),
228 ATTR_LIST(ipu_policy),
229 ATTR_LIST(min_ipu_util),
230 ATTR_LIST(min_fsync_blocks),
231 ATTR_LIST(max_victim_search),
232 ATTR_LIST(dir_level),
233 ATTR_LIST(ram_thresh),
219
220#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
221static struct attribute *f2fs_attrs[] = {
222 ATTR_LIST(gc_min_sleep_time),
223 ATTR_LIST(gc_max_sleep_time),
224 ATTR_LIST(gc_no_gc_sleep_time),
225 ATTR_LIST(gc_idle),
226 ATTR_LIST(reclaim_segments),
227 ATTR_LIST(max_small_discards),
228 ATTR_LIST(batched_trim_sections),
229 ATTR_LIST(ipu_policy),
230 ATTR_LIST(min_ipu_util),
231 ATTR_LIST(min_fsync_blocks),
232 ATTR_LIST(max_victim_search),
233 ATTR_LIST(dir_level),
234 ATTR_LIST(ram_thresh),
235 ATTR_LIST(cp_interval),
234 NULL,
235};
236
237static const struct sysfs_ops f2fs_attr_ops = {
238 .show = f2fs_attr_show,
239 .store = f2fs_attr_store,
240};
241

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1009 sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
1010 sbi->cur_victim_sec = NULL_SECNO;
1011 sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
1012
1013 for (i = 0; i < NR_COUNT_TYPE; i++)
1014 atomic_set(&sbi->nr_pages[i], 0);
1015
1016 sbi->dir_level = DEF_DIR_LEVEL;
236 NULL,
237};
238
239static const struct sysfs_ops f2fs_attr_ops = {
240 .show = f2fs_attr_show,
241 .store = f2fs_attr_store,
242};
243

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1011 sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
1012 sbi->cur_victim_sec = NULL_SECNO;
1013 sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
1014
1015 for (i = 0; i < NR_COUNT_TYPE; i++)
1016 atomic_set(&sbi->nr_pages[i], 0);
1017
1018 sbi->dir_level = DEF_DIR_LEVEL;
1019 sbi->cp_interval = DEF_CP_INTERVAL;
1017 clear_sbi_flag(sbi, SBI_NEED_FSCK);
1018
1019 INIT_LIST_HEAD(&sbi->s_list);
1020 mutex_init(&sbi->umount_mutex);
1021}
1022
1023/*
1024 * Read f2fs raw super block.

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1345 kfree(options);
1346
1347 /* recover broken superblock */
1348 if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) {
1349 f2fs_msg(sb, KERN_INFO, "Recover invalid superblock");
1350 f2fs_commit_super(sbi, true);
1351 }
1352
1020 clear_sbi_flag(sbi, SBI_NEED_FSCK);
1021
1022 INIT_LIST_HEAD(&sbi->s_list);
1023 mutex_init(&sbi->umount_mutex);
1024}
1025
1026/*
1027 * Read f2fs raw super block.

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1348 kfree(options);
1349
1350 /* recover broken superblock */
1351 if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) {
1352 f2fs_msg(sb, KERN_INFO, "Recover invalid superblock");
1353 f2fs_commit_super(sbi, true);
1354 }
1355
1356 sbi->cp_expires = round_jiffies_up(jiffies);
1357
1353 return 0;
1354
1355free_kobj:
1356 kobject_del(&sbi->s_kobj);
1357free_proc:
1358 if (sbi->s_proc) {
1359 remove_proc_entry("segment_info", sbi->s_proc);
1360 remove_proc_entry(sb->s_id, f2fs_proc_root);

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1359
1360free_kobj:
1361 kobject_del(&sbi->s_kobj);
1362free_proc:
1363 if (sbi->s_proc) {
1364 remove_proc_entry("segment_info", sbi->s_proc);
1365 remove_proc_entry(sb->s_id, f2fs_proc_root);

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