f2fs.h (f573018491fd823e909d587cfe16758f3dd9e6d6) f2fs.h (523be8a6b3418eb7e0f0f042fe0490345eb5d516)
1/*
2 * fs/f2fs/f2fs.h
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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808
809 block_t user_block_count; /* # of user blocks */
810 block_t total_valid_block_count; /* # of valid blocks */
811 block_t alloc_valid_block_count; /* # of allocated blocks */
812 block_t discard_blks; /* discard command candidats */
813 block_t last_valid_block_count; /* for recovery */
814 u32 s_next_generation; /* for NFS support */
815 atomic_t nr_wb_bios; /* # of writeback bios */
1/*
2 * fs/f2fs/f2fs.h
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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808
809 block_t user_block_count; /* # of user blocks */
810 block_t total_valid_block_count; /* # of valid blocks */
811 block_t alloc_valid_block_count; /* # of allocated blocks */
812 block_t discard_blks; /* discard command candidats */
813 block_t last_valid_block_count; /* for recovery */
814 u32 s_next_generation; /* for NFS support */
815 atomic_t nr_wb_bios; /* # of writeback bios */
816 atomic_t nr_pages[NR_COUNT_TYPE]; /* # of pages, see count_type */
817
816
817 /* # of pages, see count_type */
818 struct percpu_counter nr_pages[NR_COUNT_TYPE];
819
818 struct f2fs_mount_info mount_opt; /* mount options */
819
820 /* for cleaning operations */
821 struct mutex gc_mutex; /* mutex for GC */
822 struct f2fs_gc_kthread *gc_thread; /* GC thread */
823 unsigned int cur_victim_sec; /* current victim section num */
824
825 /* maximum # of trials to find a victim segment for SSR and GC */

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1153 f2fs_bug_on(sbi, inode->i_blocks < count);
1154 inode->i_blocks -= count;
1155 sbi->total_valid_block_count -= (block_t)count;
1156 spin_unlock(&sbi->stat_lock);
1157}
1158
1159static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
1160{
820 struct f2fs_mount_info mount_opt; /* mount options */
821
822 /* for cleaning operations */
823 struct mutex gc_mutex; /* mutex for GC */
824 struct f2fs_gc_kthread *gc_thread; /* GC thread */
825 unsigned int cur_victim_sec; /* current victim section num */
826
827 /* maximum # of trials to find a victim segment for SSR and GC */

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1155 f2fs_bug_on(sbi, inode->i_blocks < count);
1156 inode->i_blocks -= count;
1157 sbi->total_valid_block_count -= (block_t)count;
1158 spin_unlock(&sbi->stat_lock);
1159}
1160
1161static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
1162{
1161 atomic_inc(&sbi->nr_pages[count_type]);
1163 percpu_counter_inc(&sbi->nr_pages[count_type]);
1162 set_sbi_flag(sbi, SBI_IS_DIRTY);
1163}
1164
1165static inline void inode_inc_dirty_pages(struct inode *inode)
1166{
1167 atomic_inc(&F2FS_I(inode)->dirty_pages);
1168 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
1169 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
1170}
1171
1172static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
1173{
1164 set_sbi_flag(sbi, SBI_IS_DIRTY);
1165}
1166
1167static inline void inode_inc_dirty_pages(struct inode *inode)
1168{
1169 atomic_inc(&F2FS_I(inode)->dirty_pages);
1170 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
1171 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
1172}
1173
1174static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
1175{
1174 atomic_dec(&sbi->nr_pages[count_type]);
1176 percpu_counter_dec(&sbi->nr_pages[count_type]);
1175}
1176
1177static inline void inode_dec_dirty_pages(struct inode *inode)
1178{
1179 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
1180 !S_ISLNK(inode->i_mode))
1181 return;
1182
1183 atomic_dec(&F2FS_I(inode)->dirty_pages);
1184 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
1185 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
1186}
1187
1177}
1178
1179static inline void inode_dec_dirty_pages(struct inode *inode)
1180{
1181 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
1182 !S_ISLNK(inode->i_mode))
1183 return;
1184
1185 atomic_dec(&F2FS_I(inode)->dirty_pages);
1186 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
1187 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
1188}
1189
1188static inline int get_pages(struct f2fs_sb_info *sbi, int count_type)
1190static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
1189{
1191{
1190 return atomic_read(&sbi->nr_pages[count_type]);
1192 return percpu_counter_sum_positive(&sbi->nr_pages[count_type]);
1191}
1192
1193static inline int get_dirty_pages(struct inode *inode)
1194{
1195 return atomic_read(&F2FS_I(inode)->dirty_pages);
1196}
1197
1198static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
1199{
1200 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
1193}
1194
1195static inline int get_dirty_pages(struct inode *inode)
1196{
1197 return atomic_read(&F2FS_I(inode)->dirty_pages);
1198}
1199
1200static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
1201{
1202 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
1201 return ((get_pages(sbi, block_type) + pages_per_sec - 1)
1202 >> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
1203 unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
1204 sbi->log_blocks_per_seg;
1205
1206 return segs / sbi->segs_per_sec;
1203}
1204
1205static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
1206{
1207 return sbi->total_valid_block_count;
1208}
1209
1210static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)

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2008struct f2fs_stat_info {
2009 struct list_head stat_list;
2010 struct f2fs_sb_info *sbi;
2011 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
2012 int main_area_segs, main_area_sections, main_area_zones;
2013 unsigned long long hit_largest, hit_cached, hit_rbtree;
2014 unsigned long long hit_total, total_ext;
2015 int ext_tree, zombie_tree, ext_node;
1207}
1208
1209static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
1210{
1211 return sbi->total_valid_block_count;
1212}
1213
1214static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)

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2012struct f2fs_stat_info {
2013 struct list_head stat_list;
2014 struct f2fs_sb_info *sbi;
2015 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
2016 int main_area_segs, main_area_sections, main_area_zones;
2017 unsigned long long hit_largest, hit_cached, hit_rbtree;
2018 unsigned long long hit_total, total_ext;
2019 int ext_tree, zombie_tree, ext_node;
2016 int ndirty_node, ndirty_meta;
2017 int ndirty_dent, ndirty_dirs, ndirty_data, ndirty_files;
2020 s64 ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, inmem_pages;
2021 unsigned int ndirty_dirs, ndirty_files;
2018 int nats, dirty_nats, sits, dirty_sits, fnids;
2019 int total_count, utilization;
2022 int nats, dirty_nats, sits, dirty_sits, fnids;
2023 int total_count, utilization;
2020 int bg_gc, inmem_pages, wb_bios;
2024 int bg_gc, wb_bios;
2021 int inline_xattr, inline_inode, inline_dir, orphans;
2022 unsigned int valid_count, valid_node_count, valid_inode_count;
2023 unsigned int bimodal, avg_vblocks;
2024 int util_free, util_valid, util_invalid;
2025 int rsvd_segs, overp_segs;
2026 int dirty_count, node_pages, meta_pages;
2027 int prefree_count, call_count, cp_count, bg_cp_count;
2028 int tot_segs, node_segs, data_segs, free_segs, free_secs;

--- 253 unchanged lines hidden --- 		2025 int inline_xattr, inline_inode, inline_dir, orphans;
2026 unsigned int valid_count, valid_node_count, valid_inode_count;
2027 unsigned int bimodal, avg_vblocks;
2028 int util_free, util_valid, util_invalid;
2029 int rsvd_segs, overp_segs;
2030 int dirty_count, node_pages, meta_pages;
2031 int prefree_count, call_count, cp_count, bg_cp_count;
2032 int tot_segs, node_segs, data_segs, free_segs, free_secs;

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