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authorChao Yu <chao2.yu@samsung.com>2016-02-14 18:50:40 +0800
committerMister Oyster <oysterized@gmail.com>2017-04-13 12:33:04 +0200
commitfea8ef39e30a254cb45fb044adae819db4478e3b (patch)
tree8854d8bdf2e6a816b9fb97f8bd21f013970547cb /include
parent4582217be96dbb076fd277f077873c8c5deab58d (diff)
f2fs: introduce f2fs_journal struct to wrap journal info
Introduce a new structure f2fs_journal to wrap journal info in struct f2fs_summary_block for readability. struct f2fs_journal { union { __le16 n_nats; __le16 n_sits; }; union { struct nat_journal nat_j; struct sit_journal sit_j; struct f2fs_extra_info info; }; } __packed; struct f2fs_summary_block { struct f2fs_summary entries[ENTRIES_IN_SUM]; struct f2fs_journal journal; struct summary_footer footer; } __packed; Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/f2fs_fs.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index f43e6a01a..9eb215a15 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -398,9 +398,7 @@ struct f2fs_extra_info {
__u8 reserved[EXTRA_INFO_RESERVED];
} __packed;
-/* 4KB-sized summary block structure */
-struct f2fs_summary_block {
- struct f2fs_summary entries[ENTRIES_IN_SUM];
+struct f2fs_journal {
union {
__le16 n_nats;
__le16 n_sits;
@@ -411,6 +409,12 @@ struct f2fs_summary_block {
struct sit_journal sit_j;
struct f2fs_extra_info info;
};
+} __packed;
+
+/* 4KB-sized summary block structure */
+struct f2fs_summary_block {
+ struct f2fs_summary entries[ENTRIES_IN_SUM];
+ struct f2fs_journal journal;
struct summary_footer footer;
} __packed;