LU-6722 jbd: double minimum journal size for RHEL7

[tools/e2fsprogs.git] / lib / ext2fs / ext2fs.h

diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 3e633e2..e66d2fc 100644 (file)
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -39,6 +39,8 @@ extern "C" {
 #define SUPERBLOCK_OFFSET      1024
 #define SUPERBLOCK_SIZE                1024
 
+#define UUID_STR_SIZE 37
+
 /*
  * The last ext2fs revision level that this version of the library is
  * able to support.
@@ -535,6 +537,12 @@ typedef struct ext2_icount *ext2_icount_t;
 #define EXT2_CHECK_MAGIC(struct, code) \
          if ((struct)->magic != (code)) return (code)
 
+/*
+ * Flags for returning status of ext2fs_expand_extra_isize()
+ */
+#define EXT2_EXPAND_EISIZE_UNSAFE      0x0001
+#define EXT2_EXPAND_EISIZE_NEW_BLOCK   0x0002
+#define EXT2_EXPAND_EISIZE_NOSPC       0x0004
 
 /*
  * For ext2 compression support
@@ -550,7 +558,8 @@ typedef struct ext2_icount *ext2_icount_t;
                                         EXT3_FEATURE_COMPAT_HAS_JOURNAL|\
                                         EXT2_FEATURE_COMPAT_RESIZE_INODE|\
                                         EXT2_FEATURE_COMPAT_DIR_INDEX|\
-                                        EXT2_FEATURE_COMPAT_EXT_ATTR)
+                                        EXT2_FEATURE_COMPAT_EXT_ATTR|\
+                                        EXT4_FEATURE_COMPAT_SPARSE_SUPER2)
 
 /* This #ifdef is temporary until compression is fully supported */
 #ifdef ENABLE_COMPRESSION
@@ -568,6 +577,8 @@ typedef struct ext2_icount *ext2_icount_t;
                                         EXT3_FEATURE_INCOMPAT_EXTENTS|\
                                         EXT4_FEATURE_INCOMPAT_FLEX_BG|\
                                         EXT4_FEATURE_INCOMPAT_MMP|\
+                                        EXT4_FEATURE_INCOMPAT_EA_INODE|\
+                                        EXT4_FEATURE_INCOMPAT_DIRDATA|\
                                         EXT4_FEATURE_INCOMPAT_64BIT)
 #else
 #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
@@ -577,6 +588,8 @@ typedef struct ext2_icount *ext2_icount_t;
                                         EXT3_FEATURE_INCOMPAT_EXTENTS|\
                                         EXT4_FEATURE_INCOMPAT_FLEX_BG|\
                                         EXT4_FEATURE_INCOMPAT_MMP|\
+                                        EXT4_FEATURE_INCOMPAT_EA_INODE|\
+                                        EXT4_FEATURE_INCOMPAT_DIRDATA|\
                                         EXT4_FEATURE_INCOMPAT_64BIT)
 #endif
 #ifdef CONFIG_QUOTA
@@ -865,6 +878,8 @@ extern blk64_t ext2fs_file_acl_block(ext2_filsys fs,
                                     const struct ext2_inode *inode);
 extern void ext2fs_file_acl_block_set(ext2_filsys fs,
                                      struct ext2_inode *inode, blk64_t blk);
+extern errcode_t ext2fs_inode_size_set(ext2_filsys fs, struct ext2_inode *inode,
+                                      ext2_off64_t size);
 
 /* block.c */
 extern errcode_t ext2fs_block_iterate(ext2_filsys fs,
@@ -926,6 +941,7 @@ extern errcode_t ext2fs_check_desc(ext2_filsys fs);
 /* closefs.c */
 extern errcode_t ext2fs_close(ext2_filsys fs);
 extern errcode_t ext2fs_close2(ext2_filsys fs, int flags);
+extern errcode_t ext2fs_close_free(ext2_filsys *fs);
 extern errcode_t ext2fs_flush(ext2_filsys fs);
 extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags);
 extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block);
@@ -1061,8 +1077,22 @@ extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest);
 extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir);
 
 /* ext_attr.c */
+extern errcode_t ext2fs_attr_get(ext2_filsys fs, struct ext2_inode *inode,
+                                int name_index, const char *name, char *buffer,
+                                size_t buffer_size, int *easize);
+
 extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry,
                                        void *data);
+int ext2fs_attr_get_next_attr(struct ext2_ext_attr_entry *entry, int name_index,
+                             char *buffer, int buffer_size, int start);
+errcode_t ext2fs_attr_set(ext2_filsys fs, ext2_ino_t ino,
+                         struct ext2_inode *inode,
+                         int name_index, const char *name, const char *value,
+                         int value_len, int flags);
+extern errcode_t ext2fs_expand_extra_isize(ext2_filsys fs, ext2_ino_t ino,
+                                          struct ext2_inode_large *inode,
+                                          int new_extra_isize, int *ret,
+                                          int *needed_size);
 extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf);
 extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block,
                                       void *buf);
@@ -1253,6 +1283,7 @@ extern errcode_t ext2fs_initialize(const char *name, int flags,
 
 /* icount.c */
 extern void ext2fs_free_icount(ext2_icount_t icount);
+extern int ext2fs_icount_is_set(ext2_icount_t icount, ext2_ino_t ino);
 extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir,
                                          int flags, ext2_icount_t *ret);
 extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags,
@@ -1373,6 +1404,7 @@ extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks,
 extern errcode_t ext2fs_add_journal_inode2(ext2_filsys fs, blk_t num_blocks,
                                           blk64_t goal, int flags);
 extern int ext2fs_default_journal_size(__u64 num_blocks);
+extern int ext2fs_journal_sb_start(int blocksize);
 
 /* openfs.c */
 extern errcode_t ext2fs_open(const char *name, int flags, int superblock,
@@ -1728,6 +1760,25 @@ _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
        return (blk_t) ext2fs_inode_data_blocks2(fs, inode);
 }
 
+_INLINE_ struct ext2_dx_root_info *get_ext2_dx_root_info(ext2_filsys fs,
+                                                        char *buf)
+{
+       struct ext2_dir_entry *de = (struct ext2_dir_entry *)buf;
+
+       if (!(fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_DIRDATA))
+               return (struct ext2_dx_root_info *)(buf +
+                                                   __EXT2_DIR_REC_LEN(1) +
+                                                   __EXT2_DIR_REC_LEN(2));
+
+       /* get dotdot first */
+       de = (struct ext2_dir_entry *)((char *)de + de->rec_len);
+
+       /* dx root info is after dotdot entry */
+       de = (struct ext2_dir_entry *)((char *)de + EXT2_DIR_REC_LEN(de));
+
+       return (struct ext2_dx_root_info *)de;
+}
+
 /*
  * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b)
  */