Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (57 commits)
  jbd2: Fix oops in jbd2_journal_init_inode() on corrupted fs
  ext4: Remove "extents" mount option
  block: Add Kconfig help which notes that ext4 needs CONFIG_LBD
  ext4: Make printk's consistently prefixed with "EXT4-fs: "
  ext4: Add sanity checks for the superblock before mounting the filesystem
  ext4: Add mount option to set kjournald's I/O priority
  jbd2: Submit writes to the journal using WRITE_SYNC
  jbd2: Add pid and journal device name to the "kjournald2 starting" message
  ext4: Add markers for better debuggability
  ext4: Remove code to create the journal inode
  ext4: provide function to release metadata pages under memory pressure
  ext3: provide function to release metadata pages under memory pressure
  add releasepage hooks to block devices which can be used by file systems
  ext4: Fix s_dirty_blocks_counter if block allocation failed with nodelalloc
  ext4: Init the complete page while building buddy cache
  ext4: Don't allow new groups to be added during block allocation
  ext4: mark the blocks/inode bitmap beyond end of group as used
  ext4: Use new buffer_head flag to check uninit group bitmaps initialization
  ext4: Fix the race between read_inode_bitmap() and ext4_new_inode()
  ext4: code cleanup
  ...

1 files changed, 27 insertions, 1 deletions

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index d76800f6ecf0..dd495b8c3091 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -378,6 +378,13 @@ struct ext3_inode {
 #define EXT3_ORPHAN_FS                  0x0004  /* Orphans being recovered */
 
 /*
+ * Misc. filesystem flags
+ */
+#define EXT2_FLAGS_SIGNED_HASH          0x0001  /* Signed dirhash in use */
+#define EXT2_FLAGS_UNSIGNED_HASH        0x0002  /* Unsigned dirhash in use */
+#define EXT2_FLAGS_TEST_FILESYS         0x0004  /* to test development code */
+
+/*
  * Mount flags
  */
 #define EXT3_MOUNT_CHECK                0x00001 /* Do mount-time checks */
@@ -513,7 +520,23 @@ struct ext3_super_block {
         __u16   s_reserved_word_pad;
         __le32  s_default_mount_opts;
         __le32  s_first_meta_bg;        /* First metablock block group */
-        __u32   s_reserved[190];        /* Padding to the end of the block */
+        __le32  s_mkfs_time;            /* When the filesystem was created */
+        __le32  s_jnl_blocks[17];       /* Backup of the journal inode */
+        /* 64bit support valid if EXT4_FEATURE_COMPAT_64BIT */
+/*150*/ __le32  s_blocks_count_hi;      /* Blocks count */
+        __le32  s_r_blocks_count_hi;    /* Reserved blocks count */
+        __le32  s_free_blocks_count_hi; /* Free blocks count */
+        __le16  s_min_extra_isize;      /* All inodes have at least # bytes */
+        __le16  s_want_extra_isize;     /* New inodes should reserve # bytes */
+        __le32  s_flags;                /* Miscellaneous flags */
+        __le16  s_raid_stride;          /* RAID stride */
+        __le16  s_mmp_interval;         /* # seconds to wait in MMP checking */
+        __le64  s_mmp_block;            /* Block for multi-mount protection */
+        __le32  s_raid_stripe_width;    /* blocks on all data disks (N*stride)*/
+        __u8    s_log_groups_per_flex;  /* FLEX_BG group size */
+        __u8    s_reserved_char_pad2;
+        __le16  s_reserved_pad;
+        __u32   s_reserved[162];        /* Padding to the end of the block */
 };
 
 #ifdef __KERNEL__
@@ -718,6 +741,9 @@ static inline __le16 ext3_rec_len_to_disk(unsigned len)
 #define DX_HASH_LEGACY          0
 #define DX_HASH_HALF_MD4        1
 #define DX_HASH_TEA             2
+#define DX_HASH_LEGACY_UNSIGNED 3
+#define DX_HASH_HALF_MD4_UNSIGNED       4
+#define DX_HASH_TEA_UNSIGNED            5
 
 #ifdef __KERNEL__