From: Jaegeuk Kim <jaegeuk@kernel.org> To: Sahitya Tummala <stummala@codeaurora.org> Cc: Chao Yu <yuchao0@huawei.com>, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [PATCH] f2fs: prevent meta updates while checkpoint is in progress Date: Mon, 30 Mar 2020 20:54:19 -0700 [thread overview] Message-ID: <20200331035419.GB79749@google.com> (raw) In-Reply-To: <1585219019-24831-1-git-send-email-stummala@codeaurora.org> On 03/26, Sahitya Tummala wrote: > allocate_segment_for_resize() can cause metapage updates if > it requires to change the current node/data segments for resizing. > Stop these meta updates when there is a checkpoint already > in progress to prevent inconsistent CP data. I'd prefer to use f2fs_lock_op() in bigger coverage. > > Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> > --- > fs/f2fs/gc.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c > index 5bca560..6122bad 100644 > --- a/fs/f2fs/gc.c > +++ b/fs/f2fs/gc.c > @@ -1399,8 +1399,10 @@ static int free_segment_range(struct f2fs_sb_info *sbi, unsigned int start, > int err = 0; > > /* Move out cursegs from the target range */ > + f2fs_lock_op(sbi); > for (type = CURSEG_HOT_DATA; type < NR_CURSEG_TYPE; type++) > allocate_segment_for_resize(sbi, type, start, end); > + f2fs_unlock_op(sbi); > > /* do GC to move out valid blocks in the range */ > for (segno = start; segno <= end; segno += sbi->segs_per_sec) { > -- > Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org> To: Sahitya Tummala <stummala@codeaurora.org> Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [f2fs-dev] [PATCH] f2fs: prevent meta updates while checkpoint is in progress Date: Mon, 30 Mar 2020 20:54:19 -0700 [thread overview] Message-ID: <20200331035419.GB79749@google.com> (raw) In-Reply-To: <1585219019-24831-1-git-send-email-stummala@codeaurora.org> On 03/26, Sahitya Tummala wrote: > allocate_segment_for_resize() can cause metapage updates if > it requires to change the current node/data segments for resizing. > Stop these meta updates when there is a checkpoint already > in progress to prevent inconsistent CP data. I'd prefer to use f2fs_lock_op() in bigger coverage. > > Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> > --- > fs/f2fs/gc.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c > index 5bca560..6122bad 100644 > --- a/fs/f2fs/gc.c > +++ b/fs/f2fs/gc.c > @@ -1399,8 +1399,10 @@ static int free_segment_range(struct f2fs_sb_info *sbi, unsigned int start, > int err = 0; > > /* Move out cursegs from the target range */ > + f2fs_lock_op(sbi); > for (type = CURSEG_HOT_DATA; type < NR_CURSEG_TYPE; type++) > allocate_segment_for_resize(sbi, type, start, end); > + f2fs_unlock_op(sbi); > > /* do GC to move out valid blocks in the range */ > for (segno = start; segno <= end; segno += sbi->segs_per_sec) { > -- > Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project. _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2020-03-31 3:54 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-26 10:36 [PATCH] f2fs: prevent meta updates while checkpoint is in progress Sahitya Tummala 2020-03-26 10:36 ` [f2fs-dev] " Sahitya Tummala 2020-03-27 19:24 ` Jaegeuk Kim 2020-03-27 19:24 ` [f2fs-dev] " Jaegeuk Kim 2020-03-28 8:38 ` Chao Yu 2020-03-28 8:38 ` [f2fs-dev] " Chao Yu 2020-03-30 8:40 ` Sahitya Tummala 2020-03-30 8:40 ` [f2fs-dev] " Sahitya Tummala 2020-03-30 18:34 ` Jaegeuk Kim 2020-03-30 18:34 ` [f2fs-dev] " Jaegeuk Kim 2020-03-31 0:58 ` Chao Yu 2020-03-31 0:58 ` [f2fs-dev] " Chao Yu 2020-03-31 3:54 ` Jaegeuk Kim [this message] 2020-03-31 3:54 ` Jaegeuk Kim 2020-03-31 9:06 ` Sahitya Tummala 2020-03-31 9:06 ` [f2fs-dev] " Sahitya Tummala 2020-03-31 18:43 ` Jaegeuk Kim 2020-03-31 18:43 ` [f2fs-dev] " Jaegeuk Kim 2020-04-01 2:54 ` Chao Yu 2020-04-01 2:54 ` [f2fs-dev] " Chao Yu 2020-04-03 16:20 ` Jaegeuk Kim 2020-04-03 16:20 ` [f2fs-dev] " Jaegeuk Kim 2020-04-01 5:08 ` Sahitya Tummala 2020-04-01 5:08 ` [f2fs-dev] " Sahitya Tummala 2020-04-03 17:17 ` Jaegeuk Kim 2020-04-03 17:17 ` [f2fs-dev] " Jaegeuk Kim 2020-04-03 17:27 ` Jaegeuk Kim 2020-04-03 17:27 ` Jaegeuk Kim 2020-04-07 2:34 ` Chao Yu 2020-04-07 2:34 ` Chao Yu 2020-04-07 2:58 ` Jaegeuk Kim 2020-04-07 2:58 ` Jaegeuk Kim 2020-04-07 3:21 ` Chao Yu 2020-04-07 3:21 ` Chao Yu 2020-04-09 2:25 ` Jaegeuk Kim 2020-04-09 2:25 ` Jaegeuk Kim 2020-04-13 17:42 ` Jaegeuk Kim 2020-04-13 17:42 ` Jaegeuk Kim 2020-04-14 9:58 ` Sahitya Tummala 2020-04-14 9:58 ` Sahitya Tummala 2020-04-14 11:44 ` Chao Yu 2020-04-14 11:44 ` Chao Yu 2020-04-14 13:44 ` Jaegeuk Kim 2020-04-14 13:44 ` Jaegeuk Kim 2020-04-16 7:04 ` Chao Yu 2020-04-16 7:04 ` Chao Yu 2020-04-16 21:40 ` Jaegeuk Kim 2020-04-16 21:40 ` Jaegeuk Kim 2020-04-17 7:26 ` Chao Yu 2020-04-17 7:26 ` Chao Yu 2020-04-17 16:15 ` Jaegeuk Kim 2020-04-17 16:15 ` Jaegeuk Kim 2020-04-20 11:37 ` Sahitya Tummala 2020-04-20 11:37 ` Sahitya Tummala 2020-04-20 15:52 ` Jaegeuk Kim 2020-04-20 15:52 ` Jaegeuk Kim
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