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f2fs: treat as a normal umount when remounting ro 

When user remounts f2fs as read-only, we can mark the checkpoint as umount.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-03-24 10:29:39 -07:00
parent 6781eabba1
commit faa0e55bba
1 changed files with 10 additions and 8 deletions
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18
fs/f2fs/super.c
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@ -791,11 +791,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
org_mount_opt = sbi->mount_opt;
active_logs = sbi->active_logs;
if (*flags & MS_RDONLY) {
set_opt(sbi, FASTBOOT);
set_sbi_flag(sbi, SBI_IS_DIRTY);
}
/* recover superblocks we couldn't write due to previous RO mount */
if (!(*flags & MS_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) {
err = f2fs_commit_super(sbi, false);
@ -805,8 +800,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
clear_sbi_flag(sbi, SBI_NEED_SB_WRITE);
}
sync_filesystem(sb);
sbi->mount_opt.opt = 0;
default_options(sbi);
@ -838,7 +831,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) {
if (sbi->gc_thread) {
stop_gc_thread(sbi);
f2fs_sync_fs(sb, 1);
need_restart_gc = true;
}
} else if (!sbi->gc_thread) {
@ -848,6 +840,16 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
need_stop_gc = true;
}
if (*flags & MS_RDONLY) {
writeback_inodes_sb(sb, WB_REASON_SYNC);
sync_inodes_sb(sb);
set_sbi_flag(sbi, SBI_IS_DIRTY);
set_sbi_flag(sbi, SBI_IS_CLOSE);
f2fs_sync_fs(sb, 1);
clear_sbi_flag(sbi, SBI_IS_CLOSE);
}
/*
* We stop issue flush thread if FS is mounted as RO
* or if flush_merge is not passed in mount option.