> -----Original Message----- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Tuesday, November 07, 2017 11:41 AM > To: Fan Li > Cc: 'Chao Yu'; 'Chao Yu'; linux-kernel@vger.kernel.org; > linux-f2fs-de...@lists.sourceforge.net > Subject: Re: [f2fs-dev] [PATCH] f2fs: keep scanning until enough free nids > are acquired > > Hi, > > I merged this patch after fixing some broken format. Could you please check > your email configuration? > > Thanks, >
Sorry to bother you with so trivial problem, mail configuration is fine, but I use a wrong way to copy the text this time, won't happen again. > On 11/07, Fan Li wrote: > > In current version, after scan_free_nid_bits, the scan is over if > > nid_cnt[FREE_NID] != 0. > > In most cases, there are still free nids in the free list during the > > scan, and scan_free_nid_bits usually can't increase nid_cnt[FREE_NID]. > > It causes that __build_free_nids is called many times without solving > > the shortage of the free nids. This patch fixes that. > > > > Signed-off-by: Fan li <fanofcode...@samsung.com> > > --- > > fs/f2fs/node.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 3d0d1be..5cef118 > > 100644 > > --- a/fs/f2fs/node.c > > +++ b/fs/f2fs/node.c > > @@ -2010,7 +2010,7 @@ static void __build_free_nids(struct f2fs_sb_info > > *sbi, bool sync, bool mount) > > /* try to find free nids in free_nid_bitmap */ > > scan_free_nid_bits(sbi); > > > > - if (nm_i->nid_cnt[FREE_NID]) > > + if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK) > > return; > > } > > > > -- > > 2.7.4
