Commit b7ad23ce authored by Yuwei Guan's avatar Yuwei Guan Committed by Jaegeuk Kim
Browse files

f2fs: fix to alloc_mode changed after remount on a small volume device 



The commit 84b89e5d ("f2fs: add auto tuning for small devices") add
tuning for small volume device, now support to tune alloce_mode to 'reuse'
if it's small size. But the alloc_mode will change to 'default' when do
remount on this small size dievce. This patch fo fix alloc_mode changed
when do remount for a small volume device.

Signed-off-by: default avatarYuwei Guan <Yuwei.Guan@zeekrlife.com>
Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 5b7b74b7

fs/f2fs/super.c

+5 −2
Original line number Diff line number Diff line
@@ -2059,6 +2059,10 @@ static void default_options(struct f2fs_sb_info *sbi) 
		F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE;



	F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;

	if (le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_main) <=

							SMALL_VOLUME_SEGMENTS)

		F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;

	else

		F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;

	F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX;

	F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID);
@@ -4077,7 +4081,6 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi) 


	/* adjust parameters according to the volume size */

	if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) {

		F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;

		if (f2fs_block_unit_discard(sbi))

			sm_i->dcc_info->discard_granularity = 1;

		sm_i->ipu_policy = 1 << F2FS_IPU_FORCE |