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Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h112
1 files changed, 76 insertions, 36 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d9bbecd008d2..3c7cdb70fe2e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -159,6 +159,7 @@ struct f2fs_mount_info {
int fsync_mode; /* fsync policy */
int fs_mode; /* fs mode: LFS or ADAPTIVE */
int bggc_mode; /* bggc mode: off, on or sync */
+ int memory_mode; /* memory mode */
int discard_unit; /*
* discard command's offset/size should
* be aligned to this unit: block,
@@ -229,7 +230,6 @@ enum {
#define CP_PAUSE 0x00000040
#define CP_RESIZE 0x00000080
-#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
#define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
#define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
#define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
@@ -598,6 +598,8 @@ enum {
#define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS
#define RECOVERY_MIN_RA_BLOCKS 1
+#define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */
+
struct rb_entry {
struct rb_node rb_node; /* rb node located in rb-tree */
union {
@@ -757,6 +759,7 @@ enum {
FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */
FI_COMPRESS_RELEASED, /* compressed blocks were released */
FI_ALIGNED_WRITE, /* enable aligned write */
+ FI_COW_FILE, /* indicate COW file */
FI_MAX, /* max flag, never be used */
};
@@ -812,6 +815,8 @@ struct f2fs_inode_info {
unsigned char i_compress_level; /* compress level (lz4hc,zstd) */
unsigned short i_compress_flag; /* compress flag */
unsigned int i_cluster_size; /* cluster size */
+
+ unsigned int atomic_write_cnt;
};
static inline void get_extent_info(struct extent_info *ext,
@@ -1183,8 +1188,8 @@ struct f2fs_io_info {
nid_t ino; /* inode number */
enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
enum temp_type temp; /* contains HOT/WARM/COLD */
- int op; /* contains REQ_OP_ */
- int op_flags; /* req_flag_bits */
+ enum req_op op; /* contains REQ_OP_ */
+ blk_opf_t op_flags; /* req_flag_bits */
block_t new_blkaddr; /* new block address to be written */
block_t old_blkaddr; /* old block address before Cow */
struct page *page; /* page to be written */
@@ -1198,6 +1203,7 @@ struct f2fs_io_info {
bool retry; /* need to reallocate block address */
int compr_blocks; /* # of compressed block addresses */
bool encrypted; /* indicate file is encrypted */
+ bool post_read; /* require post read */
enum iostat_type io_type; /* io type */
struct writeback_control *io_wbc; /* writeback control */
struct bio **bio; /* bio for ipu */
@@ -1234,7 +1240,6 @@ struct f2fs_dev_info {
#ifdef CONFIG_BLK_DEV_ZONED
unsigned int nr_blkz; /* Total number of zones */
unsigned long *blkz_seq; /* Bitmap indicating sequential zones */
- block_t *zone_capacity_blocks; /* Array of zone capacity in blks */
#endif
};
@@ -1360,6 +1365,13 @@ enum {
DISCARD_UNIT_SECTION, /* basic discard unit is section */
};
+enum {
+ MEMORY_MODE_NORMAL, /* memory mode for normal devices */
+ MEMORY_MODE_LOW, /* memory mode for low memry devices */
+};
+
+
+
static inline int f2fs_test_bit(unsigned int nr, char *addr);
static inline void f2fs_set_bit(unsigned int nr, char *addr);
static inline void f2fs_clear_bit(unsigned int nr, char *addr);
@@ -1580,6 +1592,7 @@ struct decompress_io_ctx {
void *private; /* payload buffer for specified decompression algorithm */
void *private2; /* extra payload buffer */
struct work_struct verity_work; /* work to verify the decompressed pages */
+ struct work_struct free_work; /* work for late free this structure itself */
};
#define NULL_CLUSTER ((unsigned int)(~0))
@@ -1664,6 +1677,7 @@ struct f2fs_sb_info {
unsigned int meta_ino_num; /* meta inode number*/
unsigned int log_blocks_per_seg; /* log2 blocks per segment */
unsigned int blocks_per_seg; /* blocks per segment */
+ unsigned int unusable_blocks_per_sec; /* unusable blocks per section */
unsigned int segs_per_sec; /* segments per section */
unsigned int secs_per_zone; /* sections per zone */
unsigned int total_sections; /* total section count */
@@ -1804,6 +1818,12 @@ struct f2fs_sb_info {
int max_fragment_chunk; /* max chunk size for block fragmentation mode */
int max_fragment_hole; /* max hole size for block fragmentation mode */
+ /* For atomic write statistics */
+ atomic64_t current_atomic_write;
+ s64 peak_atomic_write;
+ u64 committed_atomic_block;
+ u64 revoked_atomic_block;
+
#ifdef CONFIG_F2FS_FS_COMPRESSION
struct kmem_cache *page_array_slab; /* page array entry */
unsigned int page_array_slab_size; /* default page array slab size */
@@ -2418,6 +2438,28 @@ static inline void inode_dec_dirty_pages(struct inode *inode)
dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
}
+static inline void inc_atomic_write_cnt(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ u64 current_write;
+
+ fi->atomic_write_cnt++;
+ atomic64_inc(&sbi->current_atomic_write);
+ current_write = atomic64_read(&sbi->current_atomic_write);
+ if (current_write > sbi->peak_atomic_write)
+ sbi->peak_atomic_write = current_write;
+}
+
+static inline void release_atomic_write_cnt(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+
+ atomic64_sub(fi->atomic_write_cnt, &sbi->current_atomic_write);
+ fi->atomic_write_cnt = 0;
+}
+
static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
{
return atomic_read(&sbi->nr_pages[count_type]);
@@ -2696,16 +2738,6 @@ static inline struct page *f2fs_pagecache_get_page(
return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
}
-static inline void f2fs_copy_page(struct page *src, struct page *dst)
-{
- char *src_kaddr = kmap(src);
- char *dst_kaddr = kmap(dst);
-
- memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
- kunmap(dst);
- kunmap(src);
-}
-
static inline void f2fs_put_page(struct page *page, int unlock)
{
if (!page)
@@ -3208,6 +3240,11 @@ static inline bool f2fs_is_atomic_file(struct inode *inode)
return is_inode_flag_set(inode, FI_ATOMIC_FILE);
}
+static inline bool f2fs_is_cow_file(struct inode *inode)
+{
+ return is_inode_flag_set(inode, FI_COW_FILE);
+}
+
static inline bool f2fs_is_first_block_written(struct inode *inode)
{
return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
@@ -3741,7 +3778,7 @@ int f2fs_reserve_new_block(struct dnode_of_data *dn);
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
- int op_flags, bool for_write);
+ blk_opf_t op_flags, bool for_write);
struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
bool for_write);
@@ -3764,10 +3801,6 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
void f2fs_write_failed(struct inode *inode, loff_t to);
void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length);
bool f2fs_release_folio(struct folio *folio, gfp_t wait);
-#ifdef CONFIG_MIGRATION
-int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
- struct page *page, enum migrate_mode mode);
-#endif
bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
void f2fs_clear_page_cache_dirty_tag(struct page *page);
int f2fs_init_post_read_processing(void);
@@ -4158,13 +4191,13 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
bool f2fs_is_compress_backend_ready(struct inode *inode);
int f2fs_init_compress_mempool(void);
void f2fs_destroy_compress_mempool(void);
-void f2fs_decompress_cluster(struct decompress_io_ctx *dic);
+void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task);
void f2fs_end_read_compressed_page(struct page *page, bool failed,
- block_t blkaddr);
+ block_t blkaddr, bool in_task);
bool f2fs_cluster_is_empty(struct compress_ctx *cc);
bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
-bool f2fs_all_cluster_page_loaded(struct compress_ctx *cc, struct pagevec *pvec,
- int index, int nr_pages);
+bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
+ int index, int nr_pages, bool uptodate);
bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
int f2fs_write_multi_pages(struct compress_ctx *cc,
@@ -4179,8 +4212,9 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
unsigned nr_pages, sector_t *last_block_in_bio,
bool is_readahead, bool for_write);
struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
-void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed);
-void f2fs_put_page_dic(struct page *page);
+void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
+ bool in_task);
+void f2fs_put_page_dic(struct page *page, bool in_task);
unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn);
int f2fs_init_compress_ctx(struct compress_ctx *cc);
void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
@@ -4226,13 +4260,14 @@ static inline struct page *f2fs_compress_control_page(struct page *page)
}
static inline int f2fs_init_compress_mempool(void) { return 0; }
static inline void f2fs_destroy_compress_mempool(void) { }
-static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { }
+static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic,
+ bool in_task) { }
static inline void f2fs_end_read_compressed_page(struct page *page,
- bool failed, block_t blkaddr)
+ bool failed, block_t blkaddr, bool in_task)
{
WARN_ON_ONCE(1);
}
-static inline void f2fs_put_page_dic(struct page *page)
+static inline void f2fs_put_page_dic(struct page *page, bool in_task)
{
WARN_ON_ONCE(1);
}
@@ -4258,8 +4293,9 @@ static inline void f2fs_update_extent_tree_range_compressed(struct inode *inode,
unsigned int c_len) { }
#endif
-static inline void set_compress_context(struct inode *inode)
+static inline int set_compress_context(struct inode *inode)
{
+#ifdef CONFIG_F2FS_FS_COMPRESSION
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
F2FS_I(inode)->i_compress_algorithm =
@@ -4282,6 +4318,10 @@ static inline void set_compress_context(struct inode *inode)
stat_inc_compr_inode(inode);
inc_compr_inode_stat(inode);
f2fs_mark_inode_dirty_sync(inode, true);
+ return 0;
+#else
+ return -EOPNOTSUPP;
+#endif
}
static inline bool f2fs_disable_compressed_file(struct inode *inode)
@@ -4398,10 +4438,15 @@ static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
}
+static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi)
+{
+ return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW;
+}
+
static inline bool f2fs_may_compress(struct inode *inode)
{
if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
- f2fs_is_atomic_file(inode))
+ f2fs_is_atomic_file(inode) || f2fs_has_inline_data(inode))
return false;
return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
}
@@ -4463,12 +4508,7 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
/* disallow direct IO if any of devices has unaligned blksize */
if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize)
return true;
- /*
- * for blkzoned device, fallback direct IO to buffered IO, so
- * all IOs can be serialized by log-structured write.
- */
- if (f2fs_sb_has_blkzoned(sbi))
- return true;
+
if (f2fs_lfs_mode(sbi) && (rw == WRITE)) {
if (block_unaligned_IO(inode, iocb, iter))
return true;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 10:08:35 +0000