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Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3f89d0ab08fc..185a05d3257e 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2454,8 +2454,19 @@ int do_journal_get_write_access(handle_t *handle,
#define FALL_BACK_TO_NONDELALLOC 1
#define CONVERT_INLINE_DATA 2
-extern struct inode *ext4_iget(struct super_block *, unsigned long);
-extern struct inode *ext4_iget_normal(struct super_block *, unsigned long);
+typedef enum {
+ EXT4_IGET_NORMAL = 0,
+ EXT4_IGET_SPECIAL = 0x0001, /* OK to iget a system inode */
+ EXT4_IGET_HANDLE = 0x0002 /* Inode # is from a handle */
+} ext4_iget_flags;
+
+extern struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
+ ext4_iget_flags flags, const char *function,
+ unsigned int line);
+
+#define ext4_iget(sb, ino, flags) \
+ __ext4_iget((sb), (ino), (flags), __func__, __LINE__)
+
extern int ext4_write_inode(struct inode *, struct writeback_control *);
extern int ext4_setattr(struct dentry *, struct iattr *);
extern int ext4_getattr(const struct path *, struct kstat *, u32, unsigned int);
@@ -2538,6 +2549,8 @@ extern int ext4_group_extend(struct super_block *sb,
extern int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count);
/* super.c */
+extern struct buffer_head *ext4_sb_bread(struct super_block *sb,
+ sector_t block, int op_flags);
extern int ext4_seq_options_show(struct seq_file *seq, void *offset);
extern int ext4_calculate_overhead(struct super_block *sb);
extern void ext4_superblock_csum_set(struct super_block *sb);