f2fs: pass checkpoint reason on roll-forward recovery

This patch adds CP_RECOVERY to remain recovery information for checkpoint.
And, it makes sure writing checkpoint in this case.

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

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 384bfc4..a5e17a2 100644 (file)
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1051,7 +1051,7 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
        mutex_lock(&sbi->cp_mutex);
 
        if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
-                       cpc->reason != CP_DISCARD && cpc->reason != CP_UMOUNT)
+               (cpc->reason == CP_FASTBOOT || cpc->reason == CP_SYNC))
                goto out;
        if (unlikely(f2fs_cp_error(sbi)))
                goto out;
@@ -1086,6 +1086,10 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 
        unblock_operations(sbi);
        stat_inc_cp_count(sbi->stat_info);
+
+       if (cpc->reason == CP_RECOVERY)
+               f2fs_msg(sbi->sb, KERN_NOTICE,
+                       "checkpoint: version = %llx", ckpt_ver);
 out:
        mutex_unlock(&sbi->cp_mutex);
        trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 053361a..c06a25e 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -103,6 +103,7 @@ enum {
        CP_UMOUNT,
        CP_FASTBOOT,
        CP_SYNC,
+       CP_RECOVERY,
        CP_DISCARD,
 };
 

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 4b742c9..8d8ea99 100644 (file)
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -564,7 +564,7 @@ out:
                mutex_unlock(&sbi->cp_mutex);
        } else if (need_writecp) {
                struct cp_control cpc = {
-                       .reason = CP_SYNC,
+                       .reason = CP_RECOVERY,
                };
                mutex_unlock(&sbi->cp_mutex);
                write_checkpoint(sbi, &cpc);

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 75724bd..8804f22 100644 (file)
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -78,6 +78,7 @@
                { CP_UMOUNT,    "Umount" },                             \
                { CP_FASTBOOT,  "Fastboot" },                           \
                { CP_SYNC,      "Sync" },                               \
+               { CP_RECOVERY,  "Recovery" },                           \
                { CP_DISCARD,   "Discard" })
 
 struct victim_sel_policy;