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Merge "f2fs: handle errors of f2fs_get_meta_page_nofail"

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This commit is contained in:
qctecmdr 2020-10-15 08:45:49 -07:00 • committed by Gerrit - the friendly Code Review server
commit ccbf386326
4 changed files with 12 additions and 6 deletions
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2
fs/f2fs/checkpoint.c
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@ -107,7 +107,7 @@ struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
return __get_meta_page(sbi, index, true);
}
struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index)
struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct page *page;
int count = 0;

2
fs/f2fs/f2fs.h
View file

@ -3384,7 +3384,7 @@ enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
block_t blkaddr, int type);

2
fs/f2fs/node.c
View file

@ -109,7 +109,7 @@ static void clear_node_page_dirty(struct page *page)
static struct page *get_current_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
{
return f2fs_get_meta_page_nofail(sbi, current_nat_addr(sbi, nid));
return f2fs_get_meta_page(sbi, current_nat_addr(sbi, nid));
}
static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)

12
fs/f2fs/segment.c
View file

@ -2318,7 +2318,9 @@ int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra)
*/
struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno)
{
return f2fs_get_meta_page_nofail(sbi, GET_SUM_BLOCK(sbi, segno));
if (unlikely(f2fs_cp_error(sbi)))
return ERR_PTR(-EIO);
return f2fs_get_meta_page_retry(sbi, GET_SUM_BLOCK(sbi, segno));
}
void f2fs_update_meta_page(struct f2fs_sb_info *sbi,
@ -2590,7 +2592,11 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type)
__next_free_blkoff(sbi, curseg, 0);
sum_page = f2fs_get_sum_page(sbi, new_segno);
f2fs_bug_on(sbi, IS_ERR(sum_page));
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;
}
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);
@ -3759,7 +3765,7 @@ int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
static struct page *get_current_sit_page(struct f2fs_sb_info *sbi,
unsigned int segno)
{
return f2fs_get_meta_page_nofail(sbi, current_sit_addr(sbi, segno));
return f2fs_get_meta_page(sbi, current_sit_addr(sbi, segno));
}
static struct page *get_next_sit_page(struct f2fs_sb_info *sbi,