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authorJens Axboe <jaxboe@fusionio.com>2010-11-16 10:09:42 +0100
committerJens Axboe <jaxboe@fusionio.com>2010-11-16 10:09:42 +0100
commita02056349cdea2252cd2b21643ebf025e83a29f2 (patch)
treeb7c889d6cbe8e7188d07d99a5c9da858c53a5b6c /fs/ubifs/ubifs.h
parentblock: export 'ro' sysfs attribute for partitions (diff)
parentLinux 2.6.37-rc2 (diff)
downloadlinux-a02056349cdea2252cd2b21643ebf025e83a29f2.tar.xz
linux-a02056349cdea2252cd2b21643ebf025e83a29f2.zip
Merge branch 'v2.6.37-rc2' into for-2.6.38/core
Diffstat (limited to 'fs/ubifs/ubifs.h')
-rw-r--r--fs/ubifs/ubifs.h23
1 files changed, 17 insertions, 6 deletions
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 0c9876b396dd..381d6b207a52 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -119,8 +119,12 @@
* in TNC. However, when replaying, it is handy to introduce fake "truncation"
* keys for truncation nodes because the code becomes simpler. So we define
* %UBIFS_TRUN_KEY type.
+ *
+ * But otherwise, out of the journal reply scope, the truncation keys are
+ * invalid.
*/
-#define UBIFS_TRUN_KEY UBIFS_KEY_TYPES_CNT
+#define UBIFS_TRUN_KEY UBIFS_KEY_TYPES_CNT
+#define UBIFS_INVALID_KEY UBIFS_KEY_TYPES_CNT
/*
* How much a directory entry/extended attribute entry adds to the parent/host
@@ -1028,6 +1032,8 @@ struct ubifs_debug_info;
* @max_leb_cnt: maximum count of logical eraseblocks
* @old_leb_cnt: count of logical eraseblocks before re-size
* @ro_media: the underlying UBI volume is read-only
+ * @ro_mount: the file-system was mounted as read-only
+ * @ro_error: UBIFS switched to R/O mode because an error happened
*
* @dirty_pg_cnt: number of dirty pages (not used)
* @dirty_zn_cnt: number of dirty znodes
@@ -1168,11 +1174,14 @@ struct ubifs_debug_info;
* @replay_sqnum: sequence number of node currently being replayed
* @need_recovery: file-system needs recovery
* @replaying: set to %1 during journal replay
- * @unclean_leb_list: LEBs to recover when mounting ro to rw
- * @rcvrd_mst_node: recovered master node to write when mounting ro to rw
+ * @unclean_leb_list: LEBs to recover when re-mounting R/O mounted FS to R/W
+ * mode
+ * @rcvrd_mst_node: recovered master node to write when re-mounting R/O mounted
+ * FS to R/W mode
* @size_tree: inode size information for recovery
- * @remounting_rw: set while remounting from ro to rw (sb flags have MS_RDONLY)
- * @always_chk_crc: always check CRCs (while mounting and remounting rw)
+ * @remounting_rw: set while re-mounting from R/O mode to R/W mode
+ * @always_chk_crc: always check CRCs (while mounting and remounting to R/W
+ * mode)
* @mount_opts: UBIFS-specific mount options
*
* @dbg: debugging-related information
@@ -1268,7 +1277,9 @@ struct ubifs_info {
int leb_cnt;
int max_leb_cnt;
int old_leb_cnt;
- int ro_media;
+ unsigned int ro_media:1;
+ unsigned int ro_mount:1;
+ unsigned int ro_error:1;
atomic_long_t dirty_pg_cnt;
atomic_long_t dirty_zn_cnt;