Try to support compressed file write and amplifiction accounting.
Signed-off-by: Fengnan Chang <[email protected]>
---
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
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