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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Try to support compressed file write and amplifiction accounting. Signed-off-by: Fengnan Chang --- fs/f2fs/data.c | 19 +++++++++++++++---- fs/f2fs/debug.c | 7 +++++-- fs/f2fs/f2fs.h | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 54 insertions(+), 6 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 0ae7819b085d..98c3d05cae1d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2234,6 +2234,11 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, *last_block_in_bio = blkaddr; } + if (cc->nr_cpages > cc->nr_rpages) + f2fs_i_compr_ra_blocks_update(inode, cc->nr_cpages - cc->nr_rpages, true); + else + f2fs_i_compr_ra_blocks_update(inode, cc->nr_rpages - cc->nr_cpages, false); + if (from_dnode) f2fs_put_dnode(&dn); @@ -2900,11 +2905,11 @@ static int f2fs_write_cache_pages(struct address_space *mapping, int range_whole = 0; xa_mark_t tag; int nwritten = 0; - int submitted = 0; + int submitted = 0, raw_dirty_pages = 0; int i; - if (get_dirty_pages(mapping->host) <= - SM_I(F2FS_M_SB(mapping))->min_hot_blocks) + raw_dirty_pages = get_dirty_pages(mapping->host); + if (raw_dirty_pages <= SM_I(F2FS_M_SB(mapping))->min_hot_blocks) set_inode_flag(mapping->host, FI_HOT_DATA); else clear_inode_flag(mapping->host, FI_HOT_DATA); @@ -3039,7 +3044,6 @@ static int f2fs_write_cache_pages(struct address_space *mapping, #endif nwritten += submitted; wbc->nr_to_write -= submitted; - if (unlikely(ret)) { /* * keep nr_to_write, since vfs uses this to @@ -3105,6 +3109,12 @@ static int f2fs_write_cache_pages(struct address_space *mapping, if (bio) f2fs_submit_merged_ipu_write(sbi, &bio, NULL); + if (f2fs_compressed_file(inode)) { + if (nwritten > raw_dirty_pages) + f2fs_i_compr_wa_blocks_update(inode, nwritten - raw_dirty_pages, true); + else + f2fs_i_compr_wa_blocks_update(inode, raw_dirty_pages - nwritten, false); + } return ret; } @@ -3369,6 +3379,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, err = ret; goto fail; } else if (ret) { + f2fs_i_compr_wa_blocks_update(inode, ret - 1, true); return 0; } } diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index fcdf253cd211..32d06990b1a6 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -139,6 +139,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->inline_dir = atomic_read(&sbi->inline_dir); si->compr_inode = atomic_read(&sbi->compr_inode); si->compr_blocks = atomic64_read(&sbi->compr_blocks); + si->compr_wa_blocks = atomic64_read(&sbi->compr_wa_blocks); + si->compr_ra_blocks = atomic64_read(&sbi->compr_ra_blocks); si->append = sbi->im[APPEND_INO].ino_num; si->update = sbi->im[UPDATE_INO].ino_num; si->orphans = sbi->im[ORPHAN_INO].ino_num; @@ -389,8 +391,9 @@ static int stat_show(struct seq_file *s, void *v) si->inline_inode); seq_printf(s, " - Inline_dentry Inode: %u\n", si->inline_dir); - seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n", - si->compr_inode, si->compr_blocks); + seq_printf(s, " - Compressed Inode: %u, Blocks: %llu, WA Blocks: %lld, RA Blocks %lld\n", + si->compr_inode, si->compr_blocks, + si->compr_wa_blocks, si->compr_ra_blocks); seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n", si->orphans, si->append, si->update); seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index d9c2795dd34d..ab09281c28bb 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1751,6 +1751,8 @@ struct f2fs_sb_info { atomic_t inline_dir; /* # of inline_dentry inodes */ atomic_t compr_inode; /* # of compressed inodes */ atomic64_t compr_blocks; /* # of compressed blocks */ + atomic64_t compr_wa_blocks; /* # of compressed WA blocks */ + atomic64_t compr_ra_blocks; /* # of compressed RA blocks */ atomic_t vw_cnt; /* # of volatile writes */ atomic_t max_aw_cnt; /* max # of atomic writes */ atomic_t max_vw_cnt; /* max # of volatile writes */ @@ -3829,6 +3831,8 @@ struct f2fs_stat_info { int inline_xattr, inline_inode, inline_dir, append, update, orphans; int compr_inode; unsigned long long compr_blocks; + long long compr_wa_blocks; + long long compr_ra_blocks; int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; unsigned int bimodal, avg_vblocks; @@ -3917,6 +3921,14 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) #define stat_sub_compr_blocks(inode, blocks) \ (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) +#define stat_add_compr_wa_blocks(inode, blocks) \ + (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_wa_blocks)) +#define stat_sub_compr_wa_blocks(inode, blocks) \ + (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_wa_blocks)) +#define stat_add_compr_ra_blocks(inode, blocks) \ + (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_ra_blocks)) +#define stat_sub_compr_ra_blocks(inode, blocks) \ + (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_ra_blocks)) #define stat_inc_meta_count(sbi, blkaddr) \ do { \ if (blkaddr < SIT_I(sbi)->sit_base_addr) \ @@ -4012,6 +4024,10 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi); #define stat_dec_compr_inode(inode) do { } while (0) #define stat_add_compr_blocks(inode, blocks) do { } while (0) #define stat_sub_compr_blocks(inode, blocks) do { } while (0) +#define stat_add_compr_wa_blocks(inode, blocks) do { } while (0) +#define stat_sub_compr_wa_blocks(inode, blocks) do { } while (0) +#define stat_add_compr_ra_blocks(inode, blocks) do { } while (0) +#define stat_sub_compr_ra_blocks(inode, blocks) do { } while (0) #define stat_update_max_atomic_write(inode) do { } while (0) #define stat_inc_volatile_write(inode) do { } while (0) #define stat_dec_volatile_write(inode) do { } while (0) @@ -4444,6 +4460,24 @@ static inline void f2fs_i_compr_blocks_update(struct inode *inode, f2fs_mark_inode_dirty_sync(inode, true); } +static inline void f2fs_i_compr_wa_blocks_update(struct inode *inode, + u64 blocks, bool add) +{ + if (add) + stat_add_compr_wa_blocks(inode, blocks); + else + stat_sub_compr_wa_blocks(inode, blocks); +} + +static inline void f2fs_i_compr_ra_blocks_update(struct inode *inode, + u64 blocks, bool add) +{ + if (add) + stat_add_compr_ra_blocks(inode, blocks); + else + stat_sub_compr_ra_blocks(inode, blocks); +} + static inline int block_unaligned_IO(struct inode *inode, struct kiocb *iocb, struct iov_iter *iter) { -- 2.35.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel