From: Jaegeuk Kim Date: Wed, 23 Mar 2016 23:12:58 +0000 (-0700) Subject: f2fs: give -EINVAL for norecovery and rw mount X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6781eabba1bdb133eb9125c4acf6704ccbe4df02;p=linux-beck.git f2fs: give -EINVAL for norecovery and rw mount Once detecting something to recover, f2fs should stop mounting, given norecovery and rw mount options. Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 7cb360e02109..e1c07b60f301 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1907,7 +1907,7 @@ void build_gc_manager(struct f2fs_sb_info *); /* * recovery.c */ -int recover_fsync_data(struct f2fs_sb_info *); +int recover_fsync_data(struct f2fs_sb_info *, bool); bool space_for_roll_forward(struct f2fs_sb_info *); /* diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 011942f94d64..2c87c12b6f1c 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -551,12 +551,13 @@ next: return err; } -int recover_fsync_data(struct f2fs_sb_info *sbi) +int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only) { struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE); struct list_head inode_list; block_t blkaddr; int err; + int ret = 0; bool need_writecp = false; fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry", @@ -573,11 +574,13 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) /* step #1: find fsynced inode numbers */ err = find_fsync_dnodes(sbi, &inode_list); - if (err) + if (err || list_empty(&inode_list)) goto out; - if (list_empty(&inode_list)) + if (check_only) { + ret = 1; goto out; + } need_writecp = true; @@ -625,5 +628,5 @@ out: } else { mutex_unlock(&sbi->cp_mutex); } - return err; + return ret ? ret: err; } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index f5fbbfdb3d93..8f9648ffbbc3 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1562,14 +1562,24 @@ try_onemore: if (need_fsck) set_sbi_flag(sbi, SBI_NEED_FSCK); - err = recover_fsync_data(sbi); - if (err) { + err = recover_fsync_data(sbi, false); + if (err < 0) { need_fsck = true; f2fs_msg(sb, KERN_ERR, "Cannot recover all fsync data errno=%ld", err); goto free_kobj; } + } else { + err = recover_fsync_data(sbi, true); + + if (!f2fs_readonly(sb) && err > 0) { + err = -EINVAL; + f2fs_msg(sb, KERN_ERR, + "Need to recover fsync data"); + goto free_kobj; + } } + /* recover_fsync_data() cleared this already */ clear_sbi_flag(sbi, SBI_POR_DOING);