mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 12:28:41 +08:00
f2fs: move internal functions into extent_cache.c
No functional change. Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
parent
12607c1ba7
commit
3bac20a8f0
@ -15,6 +15,77 @@
|
||||
#include "node.h"
|
||||
#include <trace/events/f2fs.h>
|
||||
|
||||
static void __set_extent_info(struct extent_info *ei,
|
||||
unsigned int fofs, unsigned int len,
|
||||
block_t blk, bool keep_clen)
|
||||
{
|
||||
ei->fofs = fofs;
|
||||
ei->blk = blk;
|
||||
ei->len = len;
|
||||
|
||||
if (keep_clen)
|
||||
return;
|
||||
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
ei->c_len = 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
static bool f2fs_may_extent_tree(struct inode *inode)
|
||||
{
|
||||
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
||||
|
||||
/*
|
||||
* for recovered files during mount do not create extents
|
||||
* if shrinker is not registered.
|
||||
*/
|
||||
if (list_empty(&sbi->s_list))
|
||||
return false;
|
||||
|
||||
if (!test_opt(sbi, READ_EXTENT_CACHE) ||
|
||||
is_inode_flag_set(inode, FI_NO_EXTENT) ||
|
||||
(is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
|
||||
!f2fs_sb_has_readonly(sbi)))
|
||||
return false;
|
||||
|
||||
return S_ISREG(inode->i_mode);
|
||||
}
|
||||
|
||||
static void __try_update_largest_extent(struct extent_tree *et,
|
||||
struct extent_node *en)
|
||||
{
|
||||
if (en->ei.len <= et->largest.len)
|
||||
return;
|
||||
|
||||
et->largest = en->ei;
|
||||
et->largest_updated = true;
|
||||
}
|
||||
|
||||
static bool __is_extent_mergeable(struct extent_info *back,
|
||||
struct extent_info *front)
|
||||
{
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
if (back->c_len && back->len != back->c_len)
|
||||
return false;
|
||||
if (front->c_len && front->len != front->c_len)
|
||||
return false;
|
||||
#endif
|
||||
return (back->fofs + back->len == front->fofs &&
|
||||
back->blk + back->len == front->blk);
|
||||
}
|
||||
|
||||
static bool __is_back_mergeable(struct extent_info *cur,
|
||||
struct extent_info *back)
|
||||
{
|
||||
return __is_extent_mergeable(back, cur);
|
||||
}
|
||||
|
||||
static bool __is_front_mergeable(struct extent_info *cur,
|
||||
struct extent_info *front)
|
||||
{
|
||||
return __is_extent_mergeable(cur, front);
|
||||
}
|
||||
|
||||
static struct rb_entry *__lookup_rb_tree_fast(struct rb_entry *cached_re,
|
||||
unsigned int ofs)
|
||||
{
|
||||
@ -591,16 +662,16 @@ static void f2fs_update_extent_tree_range(struct inode *inode,
|
||||
|
||||
if (end < org_end && org_end - end >= F2FS_MIN_EXTENT_LEN) {
|
||||
if (parts) {
|
||||
set_extent_info(&ei, end,
|
||||
end - dei.fofs + dei.blk,
|
||||
org_end - end);
|
||||
__set_extent_info(&ei,
|
||||
end, org_end - end,
|
||||
end - dei.fofs + dei.blk, false);
|
||||
en1 = __insert_extent_tree(sbi, et, &ei,
|
||||
NULL, NULL, true);
|
||||
next_en = en1;
|
||||
} else {
|
||||
en->ei.fofs = end;
|
||||
en->ei.blk += end - dei.fofs;
|
||||
en->ei.len -= end - dei.fofs;
|
||||
__set_extent_info(&en->ei,
|
||||
end, en->ei.len - (end - dei.fofs),
|
||||
en->ei.blk + (end - dei.fofs), true);
|
||||
next_en = en;
|
||||
}
|
||||
parts++;
|
||||
@ -632,8 +703,7 @@ static void f2fs_update_extent_tree_range(struct inode *inode,
|
||||
|
||||
/* 3. update extent in extent cache */
|
||||
if (blkaddr) {
|
||||
|
||||
set_extent_info(&ei, fofs, blkaddr, len);
|
||||
__set_extent_info(&ei, fofs, len, blkaddr, false);
|
||||
if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
|
||||
__insert_extent_tree(sbi, et, &ei,
|
||||
insert_p, insert_parent, leftmost);
|
||||
@ -692,7 +762,7 @@ void f2fs_update_extent_tree_range_compressed(struct inode *inode,
|
||||
if (en)
|
||||
goto unlock_out;
|
||||
|
||||
set_extent_info(&ei, fofs, blkaddr, llen);
|
||||
__set_extent_info(&ei, fofs, llen, blkaddr, true);
|
||||
ei.c_len = c_len;
|
||||
|
||||
if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
|
||||
|
||||
@ -621,7 +621,7 @@ struct rb_entry {
|
||||
struct extent_info {
|
||||
unsigned int fofs; /* start offset in a file */
|
||||
unsigned int len; /* length of the extent */
|
||||
u32 blk; /* start block address of the extent */
|
||||
block_t blk; /* start block address of the extent */
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
unsigned int c_len; /* physical extent length of compressed blocks */
|
||||
#endif
|
||||
@ -846,17 +846,6 @@ static inline void set_raw_read_extent(struct extent_info *ext,
|
||||
i_ext->len = cpu_to_le32(ext->len);
|
||||
}
|
||||
|
||||
static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
|
||||
u32 blk, unsigned int len)
|
||||
{
|
||||
ei->fofs = fofs;
|
||||
ei->blk = blk;
|
||||
ei->len = len;
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
ei->c_len = 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline bool __is_discard_mergeable(struct discard_info *back,
|
||||
struct discard_info *front, unsigned int max_len)
|
||||
{
|
||||
@ -876,41 +865,6 @@ static inline bool __is_discard_front_mergeable(struct discard_info *cur,
|
||||
return __is_discard_mergeable(cur, front, max_len);
|
||||
}
|
||||
|
||||
static inline bool __is_extent_mergeable(struct extent_info *back,
|
||||
struct extent_info *front)
|
||||
{
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
if (back->c_len && back->len != back->c_len)
|
||||
return false;
|
||||
if (front->c_len && front->len != front->c_len)
|
||||
return false;
|
||||
#endif
|
||||
return (back->fofs + back->len == front->fofs &&
|
||||
back->blk + back->len == front->blk);
|
||||
}
|
||||
|
||||
static inline bool __is_back_mergeable(struct extent_info *cur,
|
||||
struct extent_info *back)
|
||||
{
|
||||
return __is_extent_mergeable(back, cur);
|
||||
}
|
||||
|
||||
static inline bool __is_front_mergeable(struct extent_info *cur,
|
||||
struct extent_info *front)
|
||||
{
|
||||
return __is_extent_mergeable(cur, front);
|
||||
}
|
||||
|
||||
extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
|
||||
static inline void __try_update_largest_extent(struct extent_tree *et,
|
||||
struct extent_node *en)
|
||||
{
|
||||
if (en->ei.len > et->largest.len) {
|
||||
et->largest = en->ei;
|
||||
et->largest_updated = true;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* For free nid management
|
||||
*/
|
||||
@ -2581,6 +2535,7 @@ static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
|
||||
return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
|
||||
}
|
||||
|
||||
extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
|
||||
static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
|
||||
struct inode *inode, bool is_inode)
|
||||
{
|
||||
@ -4403,26 +4358,6 @@ F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
|
||||
F2FS_FEATURE_FUNCS(compression, COMPRESSION);
|
||||
F2FS_FEATURE_FUNCS(readonly, RO);
|
||||
|
||||
static inline bool f2fs_may_extent_tree(struct inode *inode)
|
||||
{
|
||||
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
||||
|
||||
if (!test_opt(sbi, READ_EXTENT_CACHE) ||
|
||||
is_inode_flag_set(inode, FI_NO_EXTENT) ||
|
||||
(is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
|
||||
!f2fs_sb_has_readonly(sbi)))
|
||||
return false;
|
||||
|
||||
/*
|
||||
* for recovered files during mount do not create extents
|
||||
* if shrinker is not registered.
|
||||
*/
|
||||
if (list_empty(&sbi->s_list))
|
||||
return false;
|
||||
|
||||
return S_ISREG(inode->i_mode);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_BLK_DEV_ZONED
|
||||
static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
|
||||
block_t blkaddr)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user