leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

f2fs: enable realtime discard iff device supports discard

Browse Source 
Let's only enable realtime discard if and only if device supports
discard functionality.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2021-08-30 08:35:33 +08:00 committed by Jaegeuk Kim
parent dddd3d6529
commit f7db8dd698
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
fs/f2fs/super.c
View File

@ -661,10 +661,14 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
return -EINVAL;
break;
case Opt_discard:
if (!f2fs_hw_support_discard(sbi)) {
f2fs_warn(sbi, "device does not support discard");
break;
}
set_opt(sbi, DISCARD);
break;
case Opt_nodiscard:
if (f2fs_sb_has_blkzoned(sbi)) {
if (f2fs_hw_should_discard(sbi)) {
f2fs_warn(sbi, "discard is required for zoned block devices");
return -EINVAL;
}
@ -2001,7 +2005,8 @@ static void default_options(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).unusable_cap = 0;
sbi->sb->s_flags |= SB_LAZYTIME;
set_opt(sbi, FLUSH_MERGE);
set_opt(sbi, DISCARD);
if (f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi))
set_opt(sbi, DISCARD);
if (f2fs_sb_has_blkzoned(sbi)) {
F2FS_OPTION(sbi).fs_mode = FS_MODE_LFS;
F2FS_OPTION(sbi).discard_unit = DISCARD_UNIT_SECTION;