mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

f2fs: fix f2fs_write_meta_page at no checkpoint status 

If f2fs entered errorneous checkpoint status, it should skip writing meta
pages instead of redirtying the pages out.
Otherwise, it cannot unmount the partition even though f2fs is under read-only
status.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2014-02-05 13:03:57 +09:00
parent bd859c6598
commit 203681f65b
2 changed files with 23 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
fs/f2fs/checkpoint.c
View File

@ -81,17 +81,18 @@ static int f2fs_write_meta_page(struct page *page,
struct inode *inode = page->mapping->host;
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
/* Should not write any meta pages, if any IO error was occurred */
if (unlikely(sbi->por_doing ||
is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG)))
if (unlikely(sbi->por_doing))
goto redirty_out;
if (wbc->for_reclaim)
goto redirty_out;
wait_on_page_writeback(page);
/* Should not write any meta pages, if any IO error was occurred */
if (unlikely(is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG)))
goto no_write;
wait_on_page_writeback(page);
write_meta_page(sbi, page);
no_write:
dec_page_count(sbi, F2FS_DIRTY_META);
unlock_page(page);
return 0;
@ -148,10 +149,22 @@ long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
lock_page(page);
f2fs_bug_on(page->mapping != mapping);
f2fs_bug_on(!PageDirty(page));
clear_page_dirty_for_io(page);
if (unlikely(page->mapping != mapping)) {
continue_unlock:
unlock_page(page);
continue;
}
if (!PageDirty(page)) {
/* someone wrote it for us */
goto continue_unlock;
}
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
if (f2fs_write_meta_page(page, &wbc)) {
unlock_page(page);
break;

2
fs/f2fs/gc.c
View File

@ -701,6 +701,8 @@ int f2fs_gc(struct f2fs_sb_info *sbi)
gc_more:
if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE)))
goto stop;
if (unlikely(is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG)))
goto stop;
if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree)) {
gc_type = FG_GC;