xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: fix to propagate error from __get_meta_page()

Browse Source 
If caller of __get_meta_page() can handle error, let's propagate error
from __get_meta_page().

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2018-07-17 00:02:17 +08:00
committed by Jaegeuk Kim
parent 18dd6470c2
commit 7735730d39
10 changed files with 220 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
fs/f2fs/segment.c
View File

@@ -250,7 +250,13 @@ retry:
err = -EAGAIN;
goto next;
}
f2fs_get_node_info(sbi, dn.nid, &ni);
err = f2fs_get_node_info(sbi, dn.nid, &ni);
if (err) {
f2fs_put_dnode(&dn);
return err;
}
if (cur->old_addr == NEW_ADDR) {
f2fs_invalidate_blocks(sbi, dn.data_blkaddr);
f2fs_update_data_blkaddr(&dn, NEW_ADDR);
@@ -2051,7 +2057,7 @@ 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(sbi, GET_SUM_BLOCK(sbi, segno));
return f2fs_get_meta_page_nofail(sbi, GET_SUM_BLOCK(sbi, segno));
}
void f2fs_update_meta_page(struct f2fs_sb_info *sbi,
@@ -2911,11 +2917,9 @@ void f2fs_outplace_write_data(struct dnode_of_data *dn,
{
struct f2fs_sb_info *sbi = fio->sbi;
struct f2fs_summary sum;
struct node_info ni;
f2fs_bug_on(sbi, dn->data_blkaddr == NULL_ADDR);
f2fs_get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
set_summary(&sum, dn->nid, dn->ofs_in_node, fio->version);
do_write_page(&sum, fio);
f2fs_update_data_blkaddr(dn, fio->new_blkaddr);
@@ -3077,7 +3081,7 @@ void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr)
}
}
static void read_compacted_summaries(struct f2fs_sb_info *sbi)
static int read_compacted_summaries(struct f2fs_sb_info *sbi)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
struct curseg_info *seg_i;
@@ -3089,6 +3093,8 @@ static void read_compacted_summaries(struct f2fs_sb_info *sbi)
start = start_sum_block(sbi);
page = f2fs_get_meta_page(sbi, start++);
if (IS_ERR(page))
return PTR_ERR(page);
kaddr = (unsigned char *)page_address(page);
/* Step 1: restore nat cache */
@@ -3129,11 +3135,14 @@ static void read_compacted_summaries(struct f2fs_sb_info *sbi)
page = NULL;
page = f2fs_get_meta_page(sbi, start++);
if (IS_ERR(page))
return PTR_ERR(page);
kaddr = (unsigned char *)page_address(page);
offset = 0;
}
}
f2fs_put_page(page, 1);
return 0;
}
static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
@@ -3145,6 +3154,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
unsigned short blk_off;
unsigned int segno = 0;
block_t blk_addr = 0;
int err = 0;
/* get segment number and block addr */
if (IS_DATASEG(type)) {
@@ -3168,6 +3178,8 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
}
new = f2fs_get_meta_page(sbi, blk_addr);
if (IS_ERR(new))
return PTR_ERR(new);
sum = (struct f2fs_summary_block *)page_address(new);
if (IS_NODESEG(type)) {
@@ -3179,7 +3191,9 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
ns->ofs_in_node = 0;
}
} else {
f2fs_restore_node_summary(sbi, segno, sum);
err = f2fs_restore_node_summary(sbi, segno, sum);
if (err)
goto out;
}
}
@@ -3199,8 +3213,9 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
curseg->alloc_type = ckpt->alloc_type[type];
curseg->next_blkoff = blk_off;
mutex_unlock(&curseg->curseg_mutex);
out:
f2fs_put_page(new, 1);
return 0;
return err;
}
static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
@@ -3218,7 +3233,9 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
META_CP, true);
/* restore for compacted data summary */
read_compacted_summaries(sbi);
err = read_compacted_summaries(sbi);
if (err)
return err;
type = CURSEG_HOT_NODE;
}
@@ -3349,7 +3366,7 @@ 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(sbi, current_sit_addr(sbi, segno));
return f2fs_get_meta_page_nofail(sbi, current_sit_addr(sbi, segno));
}
static struct page *get_next_sit_page(struct f2fs_sb_info *sbi,