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-rw-r--r--fs/f2fs/f2fs.h4
-rw-r--r--fs/f2fs/gc.c7
-rw-r--r--fs/f2fs/segment.c79
-rw-r--r--fs/f2fs/segment.h2
-rw-r--r--fs/f2fs/super.c4
5 files changed, 60 insertions, 36 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 27eae23c3cac..ad70370930f4 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3643,12 +3643,12 @@ int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
-void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
+int f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
unsigned int *newseg, bool new_sec, int dir);
-void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
+int f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end);
void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
int f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 3ed4fa67bce0..8dce1c911000 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1951,8 +1951,11 @@ static int free_segment_range(struct f2fs_sb_info *sbi,
mutex_unlock(&DIRTY_I(sbi)->seglist_lock);
/* Move out cursegs from the target range */
- for (type = CURSEG_HOT_DATA; type < NR_CURSEG_PERSIST_TYPE; type++)
- f2fs_allocate_segment_for_resize(sbi, type, start, end);
+ for (type = CURSEG_HOT_DATA; type < NR_CURSEG_PERSIST_TYPE; type++) {
+ err = f2fs_allocate_segment_for_resize(sbi, type, start, end);
+ if (err)
+ goto out;
+ }
/* do GC to move out valid blocks in the range */
for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ab25194152fd..ac9c5d71d469 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2689,7 +2689,7 @@ bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
* This function always allocates a used segment(from dirty seglist) by SSR
* manner, so it should recover the existing segment information of valid blocks
*/
-static void change_curseg(struct f2fs_sb_info *sbi, int type, bool flush)
+static int change_curseg(struct f2fs_sb_info *sbi, int type, bool flush)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, type);
@@ -2716,21 +2716,23 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type, bool flush)
if (IS_ERR(sum_page)) {
/* GC won't be able to use stale summary pages by cp_error */
memset(curseg->sum_blk, 0, SUM_ENTRY_SIZE);
- return;
+ return PTR_ERR(sum_page);
}
sum_node = (struct f2fs_summary_block *)page_address(sum_page);
memcpy(curseg->sum_blk, sum_node, SUM_ENTRY_SIZE);
f2fs_put_page(sum_page, 1);
+ return 0;
}
static int get_ssr_segment(struct f2fs_sb_info *sbi, int type,
int alloc_mode, unsigned long long age);
-static void get_atssr_segment(struct f2fs_sb_info *sbi, int type,
+static int get_atssr_segment(struct f2fs_sb_info *sbi, int type,
int target_type, int alloc_mode,
unsigned long long age)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
+ int ret = 0;
curseg->seg_type = target_type;
@@ -2738,38 +2740,41 @@ static void get_atssr_segment(struct f2fs_sb_info *sbi, int type,
struct seg_entry *se = get_seg_entry(sbi, curseg->next_segno);
curseg->seg_type = se->type;
- change_curseg(sbi, type, true);
+ ret = change_curseg(sbi, type, true);
} else {
/* allocate cold segment by default */
curseg->seg_type = CURSEG_COLD_DATA;
- new_curseg(sbi, type, true);
+ ret = new_curseg(sbi, type, true);
}
stat_inc_seg_type(sbi, curseg);
+ return ret;
}
-static void __f2fs_init_atgc_curseg(struct f2fs_sb_info *sbi)
+static int __f2fs_init_atgc_curseg(struct f2fs_sb_info *sbi)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC);
+ int ret = 0;
if (!sbi->am.atgc_enabled)
- return;
+ return 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
down_write(&SIT_I(sbi)->sentry_lock);
- get_atssr_segment(sbi, CURSEG_ALL_DATA_ATGC, CURSEG_COLD_DATA, SSR, 0);
+ ret = get_atssr_segment(sbi, CURSEG_ALL_DATA_ATGC,
+ CURSEG_COLD_DATA, SSR, 0);
up_write(&SIT_I(sbi)->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
-
+ return ret;
}
-void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi)
+int f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi)
{
- __f2fs_init_atgc_curseg(sbi);
+ return __f2fs_init_atgc_curseg(sbi);
}
static void __f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi, int type)
@@ -2886,34 +2891,37 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type,
* flush out current segment and replace it with new segment
* This function should be returned with success, otherwise BUG
*/
-static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
+static int allocate_segment_by_default(struct f2fs_sb_info *sbi,
int type, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
+ int ret = 0;
if (force)
- new_curseg(sbi, type, true);
+ ret = new_curseg(sbi, type, true);
else if (!is_set_ckpt_flags(sbi, CP_CRC_RECOVERY_FLAG) &&
curseg->seg_type == CURSEG_WARM_NODE)
- new_curseg(sbi, type, false);
+ ret = new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS &&
is_next_segment_free(sbi, curseg, type) &&
likely(!is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
- new_curseg(sbi, type, false);
+ ret = new_curseg(sbi, type, false);
else if (f2fs_need_SSR(sbi) &&
get_ssr_segment(sbi, type, SSR, 0))
- change_curseg(sbi, type, true);
+ ret = change_curseg(sbi, type, true);
else
- new_curseg(sbi, type, false);
+ ret = new_curseg(sbi, type, false);
stat_inc_seg_type(sbi, curseg);
+ return ret;
}
-void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
+int f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int segno;
+ int ret = 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
@@ -2924,9 +2932,9 @@ void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
goto unlock;
if (f2fs_need_SSR(sbi) && get_ssr_segment(sbi, type, SSR, 0))
- change_curseg(sbi, type, true);
+ ret = change_curseg(sbi, type, true);
else
- new_curseg(sbi, type, true);
+ ret = new_curseg(sbi, type, true);
stat_inc_seg_type(sbi, curseg);
@@ -2940,13 +2948,15 @@ unlock:
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
+ return ret;
}
-static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
+static int __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
bool new_sec, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
+ int ret = 0;
if (!curseg->inited)
goto alloc;
@@ -2956,11 +2966,14 @@ static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
goto alloc;
if (!get_ckpt_valid_blocks(sbi, curseg->segno, new_sec))
- return;
+ return ret;
alloc:
old_segno = curseg->segno;
- SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true);
+ ret = SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true);
+ if (ret)
+ return ret;
locate_dirty_segment(sbi, old_segno);
+ return ret;
}
static void __allocate_new_section(struct f2fs_sb_info *sbi,
@@ -3365,14 +3378,17 @@ int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
unsigned long long old_mtime;
bool from_gc = (type == CURSEG_ALL_DATA_ATGC);
struct seg_entry *se = NULL;
+ int ret = 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
down_write(&sit_i->sentry_lock);
- if (curseg->segno == NULL_SEGNO)
+ if (curseg->segno == NULL_SEGNO) {
+ ret = -ENOSPC;
goto out_err;
+ }
if (from_gc) {
f2fs_bug_on(sbi, GET_SEGNO(sbi, old_blkaddr) == NULL_SEGNO);
@@ -3415,12 +3431,12 @@ int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
if (!__has_curseg_space(sbi, curseg)) {
if (from_gc)
- get_atssr_segment(sbi, type, se->type,
+ ret = get_atssr_segment(sbi, type, se->type,
AT_SSR, se->mtime);
else
- sit_i->s_ops->allocate_segment(sbi, type, false);
+ ret = sit_i->s_ops->allocate_segment(sbi, type, false);
- if (curseg->segno == NULL_SEGNO)
+ if (ret)
goto out_err;
}
/*
@@ -3461,7 +3477,7 @@ out_err:
up_write(&sit_i->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
- return -ENOSPC;
+ return ret;
}
@@ -3695,7 +3711,8 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
/* change the current segment */
if (segno != curseg->segno) {
curseg->next_segno = segno;
- change_curseg(sbi, type, true);
+ if (change_curseg(sbi, type, true))
+ goto out_unlock;
}
curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, new_blkaddr);
@@ -3723,12 +3740,14 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (recover_curseg) {
if (old_cursegno != curseg->segno) {
curseg->next_segno = old_cursegno;
- change_curseg(sbi, type, true);
+ if (change_curseg(sbi, type, true))
+ goto out_unlock;
}
curseg->next_blkoff = old_blkoff;
curseg->alloc_type = old_alloc_type;
}
+out_unlock:
up_write(&sit_i->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_write(&SM_I(sbi)->curseg_lock);
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 6bf414c013c7..41639808fe9d 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -226,7 +226,7 @@ struct sec_entry {
};
struct segment_allocation {
- void (*allocate_segment)(struct f2fs_sb_info *, int, bool);
+ int (*allocate_segment)(struct f2fs_sb_info *, int, bool);
};
#define MAX_SKIP_GC_COUNT 16
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8528427fb819..ce1cc5f18f51 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4438,7 +4438,9 @@ try_onemore:
}
reset_checkpoint:
- f2fs_init_inmem_curseg(sbi);
+ err = f2fs_init_inmem_curseg(sbi);
+ if (err)
+ goto sync_free_meta;
/* f2fs_recover_fsync_data() cleared this already */
clear_sbi_flag(sbi, SBI_POR_DOING);