UBIFS: always set i_generation to 0

[safe/jmp/linux-2.6] / fs / ubifs / ubifs.h

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index d342c69..f2dd749 100644 (file)
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -808,21 +808,31 @@ struct ubifs_compressor {
  * An inode may contain 4KiB of data at max., thus the widths of @new_ino_d
  * is 13 bits, and @dirtied_ino_d - 15, because up to 4 inodes may be made
  * dirty by the re-name operation.
+ *
+ * Note, UBIFS aligns node lengths to 8-bytes boundary, so the requester has to
+ * make sure the amount of inode data which contribute to @new_ino_d and
+ * @dirtied_ino_d fields are aligned.
  */
 struct ubifs_budget_req {
        unsigned int fast:1;
        unsigned int recalculate:1;
+#ifndef UBIFS_DEBUG
        unsigned int new_page:1;
        unsigned int dirtied_page:1;
        unsigned int new_dent:1;
        unsigned int mod_dent:1;
        unsigned int new_ino:1;
        unsigned int new_ino_d:13;
-#ifndef UBIFS_DEBUG
        unsigned int dirtied_ino:4;
        unsigned int dirtied_ino_d:15;
 #else
        /* Not bit-fields to check for overflows */
+       unsigned int new_page;
+       unsigned int dirtied_page;
+       unsigned int new_dent;
+       unsigned int mod_dent;
+       unsigned int new_ino;
+       unsigned int new_ino_d;
        unsigned int dirtied_ino;
        unsigned int dirtied_ino_d;
 #endif
@@ -866,11 +876,10 @@ struct ubifs_mount_opts {
  * @bdi: backing device info object to make VFS happy and disable read-ahead
  *
  * @highest_inum: highest used inode number
- * @vfs_gen: VFS inode generation counter
  * @max_sqnum: current global sequence number
  * @cmt_no: commit number of the last successfully completed commit, protected
  *          by @commit_sem
- * @cnt_lock: protects @highest_inum, @vfs_gen, and @max_sqnum counters
+ * @cnt_lock: protects @highest_inum and @max_sqnum counters
  * @fmt_version: UBIFS on-flash format version
  * @uuid: UUID from super block
  *
@@ -1107,7 +1116,6 @@ struct ubifs_info {
        struct backing_dev_info bdi;
 
        ino_t highest_inum;
-       unsigned int vfs_gen;
        unsigned long long max_sqnum;
        unsigned long long cmt_no;
        spinlock_t cnt_lock;