lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 28 Jan 2019 10:40:03 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Yunlei He <heyunlei@...wei.com>, Jaegeuk Kim <jaegeuk@...nel.org>, Sasha Levin <sashal@...nel.org>, linux-f2fs-devel@...ts.sourceforge.net Subject: [PATCH AUTOSEL 4.20 086/304] f2fs: move dir data flush to write checkpoint process From: Yunlei He <heyunlei@...wei.com> [ Upstream commit b61ac5b720146c619c7cdf17eff2551b934399e5 ] This patch move dir data flush to write checkpoint process, by doing this, it may reduce some time for dir fsync. pre: -f2fs_do_sync_file enter -file_write_and_wait_range <- flush & wait -write_checkpoint -do_checkpoint <- wait all -f2fs_do_sync_file exit now: -f2fs_do_sync_file enter -write_checkpoint -block_operations <- flush dir & no wait -do_checkpoint <- wait all -f2fs_do_sync_file exit Signed-off-by: Yunlei He <heyunlei@...wei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 88b124677189..9eaf07fd8b4c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -216,6 +216,9 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, trace_f2fs_sync_file_enter(inode); + if (S_ISDIR(inode->i_mode)) + goto go_write; + /* if fdatasync is triggered, let's do in-place-update */ if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks) set_inode_flag(inode, FI_NEED_IPU); -- 2.19.1
Powered by blists - more mailing lists