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f2fs: enable real-time discard by default 

f2fs is focused on flash based storage, so let's enable real-time
discard by default, if user don't want to enable it, 'nodiscard'
mount option should be used on mount.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Chao Yu 2018-07-05 14:24:11 +08:00 committed by Jaegeuk Kim
parent 82902c06bd
commit a39e536583
1 changed files with 4 additions and 4 deletions
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8
fs/f2fs/super.c
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@ -1367,12 +1367,12 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, NOHEAP);
sbi->sb->s_flags |= SB_LAZYTIME;
set_opt(sbi, FLUSH_MERGE);
if (f2fs_sb_has_blkzoned(sbi->sb)) {
set_opt_mode(sbi, F2FS_MOUNT_LFS);
if (blk_queue_discard(bdev_get_queue(sbi->sb->s_bdev)))
set_opt(sbi, DISCARD);
} else {
if (f2fs_sb_has_blkzoned(sbi->sb))
set_opt_mode(sbi, F2FS_MOUNT_LFS);
else
set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
}
#ifdef CONFIG_F2FS_FS_XATTR
set_opt(sbi, XATTR_USER);