From: Chao Yu <yuchao0@huawei.com> To: Jaegeuk Kim <jaegeuk@kernel.org> Cc: <linux-f2fs-devel@lists.sourceforge.net>, <linux-kernel@vger.kernel.org>, <chao@kernel.org> Subject: Re: [PATCH 1/3] f2fs: compress: fix to call f2fs_put_dnode() paired with f2fs_get_block() Date: Tue, 11 May 2021 09:37:34 +0800 [thread overview] Message-ID: <b45c381e-45e7-037d-c71c-77c73fdaae8a@huawei.com> (raw) In-Reply-To: <YJlWaOSZNLkdGNnQ@google.com> On 2021/5/10 23:51, Jaegeuk Kim wrote: > On 05/10, Chao Yu wrote: >> f2fs_get_block() and f2fs_put_dnode() should be called as a pair, >> add missing f2fs_put_dnode() in prepare_compress_overwrite(). >> >> Fixes: 4c8ff7095bef ("f2fs: support data compression") >> Signed-off-by: Chao Yu <yuchao0@huawei.com> >> --- >> fs/f2fs/compress.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c >> index c208563eac28..d5cb0ba9a0e1 100644 >> --- a/fs/f2fs/compress.c >> +++ b/fs/f2fs/compress.c >> @@ -1088,6 +1088,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc, >> >> for (i = cc->cluster_size - 1; i > 0; i--) { >> ret = f2fs_get_block(&dn, start_idx + i); >> + f2fs_put_dnode(&dn); > > f2fs_reserve_block() > -> need_put = true; > -> f2fs_put_dnode(); Correct, it looks f2fs_vm_page_mkwrite() doesn't need to call f2fs_put_dnode() as well. Thanks, > >> if (ret) { >> i = cc->cluster_size; >> break; >> -- >> 2.29.2 > . >
WARNING: multiple messages have this Message-ID (diff)
From: Chao Yu <yuchao0@huawei.com> To: Jaegeuk Kim <jaegeuk@kernel.org> Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Subject: Re: [f2fs-dev] [PATCH 1/3] f2fs: compress: fix to call f2fs_put_dnode() paired with f2fs_get_block() Date: Tue, 11 May 2021 09:37:34 +0800 [thread overview] Message-ID: <b45c381e-45e7-037d-c71c-77c73fdaae8a@huawei.com> (raw) In-Reply-To: <YJlWaOSZNLkdGNnQ@google.com> On 2021/5/10 23:51, Jaegeuk Kim wrote: > On 05/10, Chao Yu wrote: >> f2fs_get_block() and f2fs_put_dnode() should be called as a pair, >> add missing f2fs_put_dnode() in prepare_compress_overwrite(). >> >> Fixes: 4c8ff7095bef ("f2fs: support data compression") >> Signed-off-by: Chao Yu <yuchao0@huawei.com> >> --- >> fs/f2fs/compress.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c >> index c208563eac28..d5cb0ba9a0e1 100644 >> --- a/fs/f2fs/compress.c >> +++ b/fs/f2fs/compress.c >> @@ -1088,6 +1088,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc, >> >> for (i = cc->cluster_size - 1; i > 0; i--) { >> ret = f2fs_get_block(&dn, start_idx + i); >> + f2fs_put_dnode(&dn); > > f2fs_reserve_block() > -> need_put = true; > -> f2fs_put_dnode(); Correct, it looks f2fs_vm_page_mkwrite() doesn't need to call f2fs_put_dnode() as well. Thanks, > >> if (ret) { >> i = cc->cluster_size; >> break; >> -- >> 2.29.2 > . > _______________________________________________ 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:[~2021-05-11 1:37 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-10 9:30 [PATCH 1/3] f2fs: compress: fix to call f2fs_put_dnode() paired with f2fs_get_block() Chao Yu 2021-05-10 9:30 ` [f2fs-dev] " Chao Yu 2021-05-10 9:30 ` [PATCH 2/3] f2fs: compress: fix race condition of overwrite vs truncate Chao Yu 2021-05-10 9:30 ` [f2fs-dev] " Chao Yu 2021-05-10 9:30 ` [PATCH 3/3] f2fs: compress: fix to assign cc.cluster_idx correctly Chao Yu 2021-05-10 9:30 ` [f2fs-dev] " Chao Yu 2021-05-10 16:09 ` Jaegeuk Kim 2021-05-10 16:09 ` [f2fs-dev] " Jaegeuk Kim 2021-05-11 1:38 ` Chao Yu 2021-05-11 1:38 ` [f2fs-dev] " Chao Yu 2021-05-10 15:51 ` [PATCH 1/3] f2fs: compress: fix to call f2fs_put_dnode() paired with f2fs_get_block() Jaegeuk Kim 2021-05-10 15:51 ` [f2fs-dev] " Jaegeuk Kim 2021-05-11 1:37 ` Chao Yu [this message] 2021-05-11 1:37 ` Chao Yu
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