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Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 62f024c051ce..2a6830a7af33 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2110,6 +2110,7 @@ int do_journal_get_write_access(handle_t *handle,
#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);
extern int ext4_write_inode(struct inode *, struct writeback_control *);
extern int ext4_setattr(struct dentry *, struct iattr *);
extern int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
@@ -2340,10 +2341,18 @@ extern int ext4_register_li_request(struct super_block *sb,
static inline int ext4_has_group_desc_csum(struct super_block *sb)
{
return EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM) ||
+ (EXT4_SB(sb)->s_chksum_driver != NULL);
}
+static inline int ext4_has_metadata_csum(struct super_block *sb)
+{
+ WARN_ON_ONCE(EXT4_HAS_RO_COMPAT_FEATURE(sb,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ !EXT4_SB(sb)->s_chksum_driver);
+
+ return (EXT4_SB(sb)->s_chksum_driver != NULL);
+}
static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
{
return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) |