From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/fs/f2fs/segment.h | 147 +++++++++++++++++++++++++++++++++++-------------
1 files changed, 107 insertions(+), 40 deletions(-)
diff --git a/kernel/fs/f2fs/segment.h b/kernel/fs/f2fs/segment.h
index 218487d..c5cab29 100644
--- a/kernel/fs/f2fs/segment.h
+++ b/kernel/fs/f2fs/segment.h
@@ -16,13 +16,21 @@
#define DEF_MAX_RECLAIM_PREFREE_SEGMENTS 4096 /* 8GB in maximum */
#define F2FS_MIN_SEGMENTS 9 /* SB + 2 (CP + SIT + NAT) + SSA + MAIN */
+#define F2FS_MIN_META_SEGMENTS 8 /* SB + 2 (CP + SIT + NAT) + SSA */
/* L: Logical segment # in volume, R: Relative segment # in main area */
#define GET_L2R_SEGNO(free_i, segno) ((segno) - (free_i)->start_segno)
#define GET_R2L_SEGNO(free_i, segno) ((segno) + (free_i)->start_segno)
#define IS_DATASEG(t) ((t) <= CURSEG_COLD_DATA)
-#define IS_NODESEG(t) ((t) >= CURSEG_HOT_NODE)
+#define IS_NODESEG(t) ((t) >= CURSEG_HOT_NODE && (t) <= CURSEG_COLD_NODE)
+#define SE_PAGETYPE(se) ((IS_NODESEG((se)->type) ? NODE : DATA))
+
+static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi,
+ unsigned short seg_type)
+{
+ f2fs_bug_on(sbi, seg_type >= NR_PERSISTENT_LOG);
+}
#define IS_HOT(t) ((t) == CURSEG_HOT_NODE || (t) == CURSEG_HOT_DATA)
#define IS_WARM(t) ((t) == CURSEG_WARM_NODE || (t) == CURSEG_WARM_DATA)
@@ -34,7 +42,9 @@
((seg) == CURSEG_I(sbi, CURSEG_COLD_DATA)->segno) || \
((seg) == CURSEG_I(sbi, CURSEG_HOT_NODE)->segno) || \
((seg) == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno) || \
- ((seg) == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno))
+ ((seg) == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno) || \
+ ((seg) == CURSEG_I(sbi, CURSEG_COLD_DATA_PINNED)->segno) || \
+ ((seg) == CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC)->segno))
#define IS_CURSEC(sbi, secno) \
(((secno) == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno / \
@@ -48,7 +58,11 @@
((secno) == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno / \
(sbi)->segs_per_sec) || \
((secno) == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno / \
- (sbi)->segs_per_sec)) \
+ (sbi)->segs_per_sec) || \
+ ((secno) == CURSEG_I(sbi, CURSEG_COLD_DATA_PINNED)->segno / \
+ (sbi)->segs_per_sec) || \
+ ((secno) == CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC)->segno / \
+ (sbi)->segs_per_sec))
#define MAIN_BLKADDR(sbi) \
(SM_I(sbi) ? SM_I(sbi)->main_blkaddr : \
@@ -87,6 +101,12 @@
GET_SEGNO_FROM_SEG0(sbi, blk_addr)))
#define BLKS_PER_SEC(sbi) \
((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
+#define CAP_BLKS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec * (sbi)->blocks_per_seg - \
+ (sbi)->unusable_blocks_per_sec)
+#define CAP_SEGS_PER_SEC(sbi) \
+ ((sbi)->segs_per_sec - ((sbi)->unusable_blocks_per_sec >>\
+ (sbi)->log_blocks_per_seg))
#define GET_SEC_FROM_SEG(sbi, segno) \
(((segno) == -1) ? -1: (segno) / (sbi)->segs_per_sec)
#define GET_SEG_FROM_SEC(sbi, secno) \
@@ -132,20 +152,25 @@
* In the victim_sel_policy->alloc_mode, there are two block allocation modes.
* LFS writes data sequentially with cleaning operations.
* SSR (Slack Space Recycle) reuses obsolete space without cleaning operations.
+ * AT_SSR (Age Threshold based Slack Space Recycle) merges fragments into
+ * fragmented segment which has similar aging degree.
*/
enum {
LFS = 0,
- SSR
+ SSR,
+ AT_SSR,
};
/*
* In the victim_sel_policy->gc_mode, there are two gc, aka cleaning, modes.
* GC_CB is based on cost-benefit algorithm.
* GC_GREEDY is based on greedy algorithm.
+ * GC_AT is based on age-threshold algorithm.
*/
enum {
GC_CB = 0,
GC_GREEDY,
+ GC_AT,
ALLOC_NEXT,
FLUSH_DEVICE,
MAX_GC_POLICY,
@@ -154,24 +179,28 @@
/*
* BG_GC means the background cleaning job.
* FG_GC means the on-demand cleaning job.
- * FORCE_FG_GC means on-demand cleaning job in background.
*/
enum {
BG_GC = 0,
FG_GC,
- FORCE_FG_GC,
};
/* for a function parameter to select a victim segment */
struct victim_sel_policy {
int alloc_mode; /* LFS or SSR */
int gc_mode; /* GC_CB or GC_GREEDY */
- unsigned long *dirty_segmap; /* dirty segment bitmap */
- unsigned int max_search; /* maximum # of segments to search */
+ unsigned long *dirty_bitmap; /* dirty segment/section bitmap */
+ unsigned int max_search; /*
+ * maximum # of segments/sections
+ * to search
+ */
unsigned int offset; /* last scanned bitmap offset */
unsigned int ofs_unit; /* bitmap search unit */
unsigned int min_cost; /* minimum cost */
+ unsigned long long oldest_age; /* oldest age of segments having the same min cost */
unsigned int min_segno; /* segment # having min. cost */
+ unsigned long long age; /* mtime of GCed section*/
+ unsigned long long age_threshold;/* age threshold */
};
struct seg_entry {
@@ -184,7 +213,7 @@
unsigned char *cur_valid_map_mir; /* mirror of current valid bitmap */
#endif
/*
- * # of valid blocks and the validity bitmap stored in the the last
+ * # of valid blocks and the validity bitmap stored in the last
* checkpoint pack. This information is used by the SSR mode.
*/
unsigned char *ckpt_valid_map; /* validity bitmap of blocks last cp */
@@ -237,6 +266,8 @@
unsigned long long mounted_time; /* mount time */
unsigned long long min_mtime; /* min. modification time */
unsigned long long max_mtime; /* max. modification time */
+ unsigned long long dirty_min_mtime; /* rerange candidates in GC_AT */
+ unsigned long long dirty_max_mtime; /* rerange candidates in GC_AT */
unsigned int last_victim[MAX_GC_POLICY]; /* last victim segment # */
};
@@ -266,15 +297,19 @@
struct dirty_seglist_info {
const struct victim_selection *v_ops; /* victim selction operation */
unsigned long *dirty_segmap[NR_DIRTY_TYPE];
+ unsigned long *dirty_secmap;
struct mutex seglist_lock; /* lock for segment bitmaps */
int nr_dirty[NR_DIRTY_TYPE]; /* # of dirty segments */
unsigned long *victim_secmap; /* background GC victims */
+ unsigned long *pinned_secmap; /* pinned victims from foreground GC */
+ unsigned int pinned_secmap_cnt; /* count of victims which has pinned data */
+ bool enable_pin_section; /* enable pinning section */
};
/* victim selection function for cleaning and SSR */
struct victim_selection {
int (*get_victim)(struct f2fs_sb_info *, unsigned int *,
- int, int, char);
+ int, int, char, unsigned long long);
};
/* for active log information */
@@ -284,10 +319,12 @@
struct rw_semaphore journal_rwsem; /* protect journal area */
struct f2fs_journal *journal; /* cached journal info */
unsigned char alloc_type; /* current allocation type */
+ unsigned short seg_type; /* segment type like CURSEG_XXX_TYPE */
unsigned int segno; /* current segment number */
unsigned short next_blkoff; /* next block offset to write */
unsigned int zone; /* current zone number */
unsigned int next_segno; /* preallocated segment */
+ bool inited; /* indicate inmem log is inited */
};
struct sit_entry_set {
@@ -301,8 +338,6 @@
*/
static inline struct curseg_info *CURSEG_I(struct f2fs_sb_info *sbi, int type)
{
- if (type == CURSEG_COLD_DATA_PINNED)
- type = CURSEG_COLD_DATA;
return (struct curseg_info *)(SM_I(sbi)->curseg_array + type);
}
@@ -334,8 +369,20 @@
}
static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
- unsigned int segno)
+ unsigned int segno, bool use_section)
{
+ if (use_section && __is_large_section(sbi)) {
+ unsigned int start_segno = START_SEGNO(segno);
+ unsigned int blocks = 0;
+ int i;
+
+ for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+ struct seg_entry *se = get_seg_entry(sbi, start_segno);
+
+ blocks += se->ckpt_valid_blocks;
+ }
+ return blocks;
+ }
return get_seg_entry(sbi, segno)->ckpt_valid_blocks;
}
@@ -407,6 +454,7 @@
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
+ unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
spin_lock(&free_i->segmap_lock);
clear_bit(segno, free_i->free_segmap);
@@ -414,7 +462,7 @@
next = find_next_bit(free_i->free_segmap,
start_segno + sbi->segs_per_sec, start_segno);
- if (next >= start_segno + sbi->segs_per_sec) {
+ if (next >= start_segno + usable_segs) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
}
@@ -434,22 +482,23 @@
}
static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
- unsigned int segno)
+ unsigned int segno, bool inmem)
{
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int next;
+ unsigned int usable_segs = f2fs_usable_segs_in_sec(sbi, segno);
spin_lock(&free_i->segmap_lock);
if (test_and_clear_bit(segno, free_i->free_segmap)) {
free_i->free_segments++;
- if (IS_CURSEC(sbi, secno))
+ if (!inmem && IS_CURSEC(sbi, secno))
goto skip_free;
next = find_next_bit(free_i->free_segmap,
start_segno + sbi->segs_per_sec, start_segno);
- if (next >= start_segno + sbi->segs_per_sec) {
+ if (next >= start_segno + usable_segs) {
if (test_and_clear_bit(secno, free_i->free_secmap))
free_i->free_sections++;
}
@@ -496,9 +545,10 @@
return FREE_I(sbi)->free_segments;
}
-static inline int reserved_segments(struct f2fs_sb_info *sbi)
+static inline unsigned int reserved_segments(struct f2fs_sb_info *sbi)
{
- return SM_I(sbi)->reserved_segments;
+ return SM_I(sbi)->reserved_segments +
+ SM_I(sbi)->additional_reserved_segments;
}
static inline unsigned int free_sections(struct f2fs_sb_info *sbi)
@@ -528,22 +578,21 @@
static inline int reserved_sections(struct f2fs_sb_info *sbi)
{
- return GET_SEC_FROM_SEG(sbi, (unsigned int)reserved_segments(sbi));
+ return GET_SEC_FROM_SEG(sbi, reserved_segments(sbi));
}
-static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi)
+static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
+ unsigned int node_blocks, unsigned int dent_blocks)
{
- unsigned int node_blocks = get_pages(sbi, F2FS_DIRTY_NODES) +
- get_pages(sbi, F2FS_DIRTY_DENTS);
- unsigned int dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
+
unsigned int segno, left_blocks;
int i;
/* check current node segment */
for (i = CURSEG_HOT_NODE; i <= CURSEG_COLD_NODE; i++) {
segno = CURSEG_I(sbi, i)->segno;
- left_blocks = sbi->blocks_per_seg -
- get_seg_entry(sbi, segno)->ckpt_valid_blocks;
+ left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
+ get_seg_entry(sbi, segno)->ckpt_valid_blocks;
if (node_blocks > left_blocks)
return false;
@@ -551,7 +600,7 @@
/* check current data segment */
segno = CURSEG_I(sbi, CURSEG_HOT_DATA)->segno;
- left_blocks = sbi->blocks_per_seg -
+ left_blocks = f2fs_usable_blks_in_seg(sbi, segno) -
get_seg_entry(sbi, segno)->ckpt_valid_blocks;
if (dent_blocks > left_blocks)
return false;
@@ -561,19 +610,28 @@
static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi,
int freed, int needed)
{
- int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
- int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
- int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA);
+ unsigned int total_node_blocks = get_pages(sbi, F2FS_DIRTY_NODES) +
+ get_pages(sbi, F2FS_DIRTY_DENTS) +
+ get_pages(sbi, F2FS_DIRTY_IMETA);
+ unsigned int total_dent_blocks = get_pages(sbi, F2FS_DIRTY_DENTS);
+ unsigned int node_secs = total_node_blocks / BLKS_PER_SEC(sbi);
+ unsigned int dent_secs = total_dent_blocks / BLKS_PER_SEC(sbi);
+ unsigned int node_blocks = total_node_blocks % BLKS_PER_SEC(sbi);
+ unsigned int dent_blocks = total_dent_blocks % BLKS_PER_SEC(sbi);
+ unsigned int free, need_lower, need_upper;
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
return false;
- if (free_sections(sbi) + freed == reserved_sections(sbi) + needed &&
- has_curseg_enough_space(sbi))
+ free = free_sections(sbi) + freed;
+ need_lower = node_secs + dent_secs + reserved_sections(sbi) + needed;
+ need_upper = need_lower + (node_blocks ? 1 : 0) + (dent_blocks ? 1 : 0);
+
+ if (free > need_upper)
return false;
- return (free_sections(sbi) + freed) <=
- (node_secs + 2 * dent_secs + imeta_secs +
- reserved_sections(sbi) + needed);
+ else if (free <= need_lower)
+ return true;
+ return !has_curseg_enough_space(sbi, node_blocks, dent_blocks);
}
static inline bool f2fs_is_checkpoint_ready(struct f2fs_sb_info *sbi)
@@ -610,7 +668,9 @@
* pages over min_fsync_blocks. (=default option)
* F2FS_IPU_ASYNC - do IPU given by asynchronous write requests.
* F2FS_IPU_NOCACHE - disable IPU bio cache.
- * F2FS_IPUT_DISABLE - disable IPU. (=default option in LFS mode)
+ * F2FS_IPU_HONOR_OPU_WRITE - use OPU write prior to IPU write if inode has
+ * FI_OPU_WRITE flag.
+ * F2FS_IPU_DISABLE - disable IPU. (=default option in LFS mode)
*/
#define DEF_MIN_IPU_UTIL 70
#define DEF_MIN_FSYNC_BLOCKS 8
@@ -626,6 +686,7 @@
F2FS_IPU_FSYNC,
F2FS_IPU_ASYNC,
F2FS_IPU_NOCACHE,
+ F2FS_IPU_HONOR_OPU_WRITE,
};
static inline unsigned int curseg_segno(struct f2fs_sb_info *sbi,
@@ -673,21 +734,22 @@
bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
int valid_blocks = 0;
int cur_pos = 0, next_pos;
+ unsigned int usable_blks_per_seg = f2fs_usable_blks_in_seg(sbi, segno);
/* check bitmap with valid block count */
do {
if (is_valid) {
next_pos = find_next_zero_bit_le(&raw_sit->valid_map,
- sbi->blocks_per_seg,
+ usable_blks_per_seg,
cur_pos);
valid_blocks += next_pos - cur_pos;
} else
next_pos = find_next_bit_le(&raw_sit->valid_map,
- sbi->blocks_per_seg,
+ usable_blks_per_seg,
cur_pos);
cur_pos = next_pos;
is_valid = !is_valid;
- } while (cur_pos < sbi->blocks_per_seg);
+ } while (cur_pos < usable_blks_per_seg);
if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
f2fs_err(sbi, "Mismatch valid blocks %d vs. %d",
@@ -696,8 +758,13 @@
return -EFSCORRUPTED;
}
+ if (usable_blks_per_seg < sbi->blocks_per_seg)
+ f2fs_bug_on(sbi, find_next_bit_le(&raw_sit->valid_map,
+ sbi->blocks_per_seg,
+ usable_blks_per_seg) != sbi->blocks_per_seg);
+
/* check segment usage, and check boundary of a given segment number */
- if (unlikely(GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg
+ if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
|| segno > TOTAL_SEGS(sbi) - 1)) {
f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
GET_SIT_VBLOCKS(raw_sit), segno);
--
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