From: Jaegeuk Kim <jaegeuk@kernel.org> To: Chao Yu <chao@kernel.org> Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [PATCH] f2fs: fix to trigger a checkpoint in the end of foreground garbage collection Date: Tue, 4 Apr 2023 14:39:38 -0700 [thread overview] Message-ID: <ZCyZGgf4RSEjyHTF@google.com> (raw) In-Reply-To: <20230324071028.336982-1-chao@kernel.org> Can we do like this? From 9a58f0e59364241aa31b555cfe793d278e39b0dc Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim <jaegeuk@kernel.org> Date: Tue, 4 Apr 2023 14:36:00 -0700 Subject: [PATCH] f2fs: do checkpoint when there's not enough free sections We didn't do checkpoint in FG_GC case, which may cause losing to reclaim prefree sctions in time. Fixes: 6f8d4455060d ("f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/gc.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 56c53dbe05c9..f1d0dd9c5a6c 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1806,6 +1806,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) }; unsigned int skipped_round = 0, round = 0; unsigned int upper_secs; + bool stop_gc = false; trace_f2fs_gc_begin(sbi->sb, gc_type, gc_control->no_bg_gc, gc_control->nr_free_secs, @@ -1876,19 +1877,15 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) (gc_type == FG_GC) ? sec_freed : 0, 0)) { if (gc_type == FG_GC && sec_freed < gc_control->nr_free_secs) goto go_gc_more; - goto stop; - } - - /* FG_GC stops GC by skip_count */ - if (gc_type == FG_GC) { + stop_gc = true; + } else if (gc_type == FG_GC) { + /* FG_GC stops GC by skip_count */ if (sbi->skipped_gc_rwsem) skipped_round++; round++; if (skipped_round > MAX_SKIP_GC_COUNT && - skipped_round * 2 >= round) { - ret = f2fs_write_checkpoint(sbi, &cpc); - goto stop; - } + skipped_round * 2 >= round) + stop_gc = true; } __get_secs_required(sbi, NULL, &upper_secs, NULL); @@ -1901,12 +1898,13 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) prefree_segments(sbi)) { ret = f2fs_write_checkpoint(sbi, &cpc); if (ret) - goto stop; + stop_gc = true; } go_gc_more: - segno = NULL_SEGNO; - goto gc_more; - + if (!stop_gc) { + segno = NULL_SEGNO; + goto gc_more; + } stop: SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0; SIT_I(sbi)->last_victim[FLUSH_DEVICE] = gc_control->victim_segno; -- 2.40.0.348.gf938b09366-goog
WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org> To: Chao Yu <chao@kernel.org> Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [f2fs-dev] [PATCH] f2fs: fix to trigger a checkpoint in the end of foreground garbage collection Date: Tue, 4 Apr 2023 14:39:38 -0700 [thread overview] Message-ID: <ZCyZGgf4RSEjyHTF@google.com> (raw) In-Reply-To: <20230324071028.336982-1-chao@kernel.org> Can we do like this? From 9a58f0e59364241aa31b555cfe793d278e39b0dc Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim <jaegeuk@kernel.org> Date: Tue, 4 Apr 2023 14:36:00 -0700 Subject: [PATCH] f2fs: do checkpoint when there's not enough free sections We didn't do checkpoint in FG_GC case, which may cause losing to reclaim prefree sctions in time. Fixes: 6f8d4455060d ("f2fs: avoid fi->i_gc_rwsem[WRITE] lock in f2fs_gc") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/gc.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 56c53dbe05c9..f1d0dd9c5a6c 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1806,6 +1806,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) }; unsigned int skipped_round = 0, round = 0; unsigned int upper_secs; + bool stop_gc = false; trace_f2fs_gc_begin(sbi->sb, gc_type, gc_control->no_bg_gc, gc_control->nr_free_secs, @@ -1876,19 +1877,15 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) (gc_type == FG_GC) ? sec_freed : 0, 0)) { if (gc_type == FG_GC && sec_freed < gc_control->nr_free_secs) goto go_gc_more; - goto stop; - } - - /* FG_GC stops GC by skip_count */ - if (gc_type == FG_GC) { + stop_gc = true; + } else if (gc_type == FG_GC) { + /* FG_GC stops GC by skip_count */ if (sbi->skipped_gc_rwsem) skipped_round++; round++; if (skipped_round > MAX_SKIP_GC_COUNT && - skipped_round * 2 >= round) { - ret = f2fs_write_checkpoint(sbi, &cpc); - goto stop; - } + skipped_round * 2 >= round) + stop_gc = true; } __get_secs_required(sbi, NULL, &upper_secs, NULL); @@ -1901,12 +1898,13 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control) prefree_segments(sbi)) { ret = f2fs_write_checkpoint(sbi, &cpc); if (ret) - goto stop; + stop_gc = true; } go_gc_more: - segno = NULL_SEGNO; - goto gc_more; - + if (!stop_gc) { + segno = NULL_SEGNO; + goto gc_more; + } stop: SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0; SIT_I(sbi)->last_victim[FLUSH_DEVICE] = gc_control->victim_segno; -- 2.40.0.348.gf938b09366-goog _______________________________________________ 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:[~2023-04-04 21:39 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-24 7:10 [PATCH] f2fs: fix to trigger a checkpoint in the end of foreground garbage collection Chao Yu 2023-03-24 7:10 ` [f2fs-dev] " Chao Yu 2023-04-03 18:13 ` Jaegeuk Kim 2023-04-03 18:13 ` [f2fs-dev] " Jaegeuk Kim 2023-04-04 10:46 ` Chao Yu 2023-04-04 10:46 ` [f2fs-dev] " Chao Yu 2023-04-04 21:39 ` Jaegeuk Kim [this message] 2023-04-04 21:39 ` Jaegeuk Kim 2023-04-05 2:02 ` Chao Yu 2023-04-05 2:02 ` [f2fs-dev] " Chao Yu 2023-04-05 15:55 ` Jaegeuk Kim 2023-04-05 15:55 ` [f2fs-dev] " Jaegeuk Kim 2023-04-10 13:52 ` Chao Yu 2023-04-10 13:52 ` [f2fs-dev] " Chao Yu 2023-04-10 23:21 ` Jaegeuk Kim 2023-04-10 23:21 ` [f2fs-dev] " Jaegeuk Kim 2023-04-13 9:15 ` Chao Yu 2023-04-13 9:15 ` [f2fs-dev] " Chao Yu 2023-04-13 15:56 ` Jaegeuk Kim 2023-04-13 15:56 ` [f2fs-dev] " Jaegeuk Kim 2023-04-13 15:58 ` Jaegeuk Kim 2023-04-13 15:58 ` Jaegeuk Kim 2023-04-13 19:25 ` Jaegeuk Kim 2023-04-13 19:25 ` Jaegeuk Kim 2023-04-18 15:51 ` Chao Yu 2023-04-18 15:51 ` Chao Yu
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