Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next

[karo-tx-linux.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 1554b15f91bce81f0a7b43e13bba1c738361a668..513004fc3d840ee03586a4fedcdb133d8031c642 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -511,6 +511,14 @@ struct ext4_new_group_data {
        __u32 free_blocks_count;
 };
 
+/* Indexes used to index group tables in ext4_new_group_data */
+enum {
+       BLOCK_BITMAP = 0,       /* block bitmap */
+       INODE_BITMAP,           /* inode bitmap */
+       INODE_TABLE,            /* inode tables */
+       GROUP_TABLE_COUNT,
+};
+
 /*
  * Flags used by ext4_map_blocks()
  */
@@ -575,6 +583,7 @@ struct ext4_new_group_data {
  /* note ioctl 11 reserved for filesystem-independent FIEMAP ioctl */
 #define EXT4_IOC_ALLOC_DA_BLKS         _IO('f', 12)
 #define EXT4_IOC_MOVE_EXT              _IOWR('f', 15, struct move_extent)
+#define EXT4_IOC_RESIZE_FS             _IOW('f', 16, __u64)
 
 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
 /*
@@ -957,12 +966,13 @@ struct ext4_inode_info {
 #define test_opt2(sb, opt)             (EXT4_SB(sb)->s_mount_opt2 & \
                                         EXT4_MOUNT2_##opt)
 
-#define ext4_set_bit                   __test_and_set_bit_le
+#define ext4_test_and_set_bit          __test_and_set_bit_le
+#define ext4_set_bit                   __set_bit_le
 #define ext4_set_bit_atomic            ext2_set_bit_atomic
-#define ext4_clear_bit                 __test_and_clear_bit_le
+#define ext4_test_and_clear_bit                __test_and_clear_bit_le
+#define ext4_clear_bit                 __clear_bit_le
 #define ext4_clear_bit_atomic          ext2_clear_bit_atomic
 #define ext4_test_bit                  test_bit_le
-#define ext4_find_first_zero_bit       find_first_zero_bit_le
 #define ext4_find_next_zero_bit                find_next_zero_bit_le
 #define ext4_find_next_bit             find_next_bit_le
 
@@ -1397,6 +1407,7 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE     0x0040
 #define EXT4_FEATURE_RO_COMPAT_QUOTA           0x0100
 #define EXT4_FEATURE_RO_COMPAT_BIGALLOC                0x0200
+#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM   0x0400
 
 #define EXT4_FEATURE_INCOMPAT_COMPRESSION      0x0001
 #define EXT4_FEATURE_INCOMPAT_FILETYPE         0x0002
@@ -1409,6 +1420,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG          0x0200
 #define EXT4_FEATURE_INCOMPAT_EA_INODE         0x0400 /* EA in inode */
 #define EXT4_FEATURE_INCOMPAT_DIRDATA          0x1000 /* data in dirent */
+#define EXT4_FEATURE_INCOMPAT_INLINEDATA       0x2000 /* data in inode */
+#define EXT4_FEATURE_INCOMPAT_LARGEDIR         0x4000 /* >2GB or 3-lvl htree */
 
 #define EXT2_FEATURE_COMPAT_SUPP       EXT4_FEATURE_COMPAT_EXT_ATTR
 #define EXT2_FEATURE_INCOMPAT_SUPP     (EXT4_FEATURE_INCOMPAT_FILETYPE| \
@@ -1790,8 +1803,6 @@ extern void ext4_init_block_bitmap(struct super_block *sb,
 extern unsigned ext4_free_clusters_after_init(struct super_block *sb,
                                              ext4_group_t block_group,
                                              struct ext4_group_desc *gdp);
-extern unsigned ext4_num_base_meta_clusters(struct super_block *sb,
-                                           ext4_group_t block_group);
 extern unsigned ext4_num_overhead_clusters(struct super_block *sb,
                                           ext4_group_t block_group,
                                           struct ext4_group_desc *gdp);
@@ -1880,16 +1891,9 @@ extern int ext4_alloc_da_blocks(struct inode *inode);
 extern void ext4_set_aops(struct inode *inode);
 extern int ext4_writepage_trans_blocks(struct inode *);
 extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
-extern int ext4_block_truncate_page(handle_t *handle,
-               struct address_space *mapping, loff_t from);
-extern int ext4_block_zero_page_range(handle_t *handle,
-               struct address_space *mapping, loff_t from, loff_t length);
 extern int ext4_discard_partial_page_buffers(handle_t *handle,
                struct address_space *mapping, loff_t from,
                loff_t length, int flags);
-extern int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
-               struct inode *inode, struct page *page, loff_t from,
-               loff_t length, int flags);
 extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 extern qsize_t *ext4_get_reserved_space(struct inode *inode);
 extern void ext4_da_update_reserve_space(struct inode *inode,
@@ -1924,6 +1928,7 @@ extern int ext4_group_add(struct super_block *sb,
 extern int ext4_group_extend(struct super_block *sb,
                                struct ext4_super_block *es,
                                ext4_fsblk_t n_blocks_count);
+extern int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count);
 
 /* super.c */
 extern void *ext4_kvmalloc(size_t size, gfp_t flags);