On 10/26, Yunlong Song wrote: > f2fs_balance_fs only actives once in the commit_inmem_pages, but there > are more than one page to commit, so all the other pages will miss the > check. This will lead to out-of-free problem when commit a very large > file. To fix it, we should do f2fs_balance_fs for each inmem page. NAK, this breaks atomicity. Thanks, > > Signed-off-by: Yunlong Song <yunlong.song@xxxxxxxxxx> > --- > fs/f2fs/segment.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 46dfbca..fa2c36b 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -384,6 +384,9 @@ static int __commit_inmem_pages(struct inode *inode, > unlock_page(page); > break; > } > + f2fs_unlock_op(sbi); > + f2fs_balance_fs(sbi, true); > + f2fs_lock_op(sbi); > /* record old blkaddr for revoking */ > cur->old_addr = fio.old_blkaddr; > last_idx = page->index; > @@ -409,7 +412,6 @@ int commit_inmem_pages(struct inode *inode) > int err; > > INIT_LIST_HEAD(&revoke_list); > - f2fs_balance_fs(sbi, true); > f2fs_lock_op(sbi); > > set_inode_flag(inode, FI_ATOMIC_COMMIT); > -- > 1.8.5.2
