f2fs: retain inconsistency information to initiate fsck.f2fs

This patch adds sbi->need_fsck to conduct fsck.f2fs later.
This flag can only be removed by fsck.f2fs.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index cb5cb4c..5af97d9 100644 (file)
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -882,6 +882,9 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
        else
                clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
 
+       if (sbi->need_fsck)
+               set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+
        /* update SIT/NAT bitmap */
        get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
        get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 222ff5b..210c62d 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -434,6 +434,7 @@ struct f2fs_sb_info {
        struct buffer_head *raw_super_buf;      /* buffer head of raw sb */
        struct f2fs_super_block *raw_super;     /* raw super block pointer */
        int s_dirty;                            /* dirty flag for checkpoint */
+       bool need_fsck;                         /* need fsck.f2fs to fix */
 
        /* for node-related operations */
        struct f2fs_nm_info *nm_info;           /* node manager */

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 41bdf51..a692304 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -849,6 +849,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
                atomic_set(&sbi->nr_pages[i], 0);
 
        sbi->dir_level = DEF_DIR_LEVEL;
+       sbi->need_fsck = false;
 }
 
 /*

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 08ed2b0..9ca1ff3 100644 (file)
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -85,6 +85,7 @@ struct f2fs_super_block {
 /*
  * For checkpoint
  */
+#define CP_FSCK_FLAG           0x00000010
 #define CP_ERROR_FLAG          0x00000008
 #define CP_COMPACT_SUM_FLAG    0x00000004
 #define CP_ORPHAN_PRESENT_FLAG 0x00000002