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-rw-r--r--include/linux/fs.h13
-rw-r--r--include/linux/jbd2.h12
-rw-r--r--include/linux/journal-head.h2
3 files changed, 13 insertions, 14 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index fa63f1b46103..c437f914d537 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1872,19 +1872,6 @@ extern struct dentry *mount_pseudo(struct file_system_type *, char *,
const struct dentry_operations *dops,
unsigned long);
-static inline void sb_mark_dirty(struct super_block *sb)
-{
- sb->s_dirt = 1;
-}
-static inline void sb_mark_clean(struct super_block *sb)
-{
- sb->s_dirt = 0;
-}
-static inline int sb_is_dirty(struct super_block *sb)
-{
- return sb->s_dirt;
-}
-
/* Alas, no aliases. Too much hassle with bringing module.h everywhere */
#define fops_get(fops) \
(((fops) && try_module_get((fops)->owner) ? (fops) : NULL))
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 5557baefed60..912c30a8ddb1 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -971,6 +971,10 @@ extern void __journal_clean_data_list(transaction_t *transaction);
/* Log buffer allocation */
extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *);
int jbd2_journal_next_log_block(journal_t *, unsigned long long *);
+int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid,
+ unsigned long *block);
+void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
+void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
/* Commit management */
extern void jbd2_journal_commit_transaction(journal_t *);
@@ -1020,6 +1024,11 @@ jbd2_journal_write_metadata_buffer(transaction_t *transaction,
/* Transaction locking */
extern void __wait_on_journal (journal_t *);
+/* Transaction cache support */
+extern void jbd2_journal_destroy_transaction_cache(void);
+extern int jbd2_journal_init_transaction_cache(void);
+extern void jbd2_journal_free_transaction(transaction_t *);
+
/*
* Journal locking.
*
@@ -1082,7 +1091,8 @@ extern int jbd2_journal_destroy (journal_t *);
extern int jbd2_journal_recover (journal_t *journal);
extern int jbd2_journal_wipe (journal_t *, int);
extern int jbd2_journal_skip_recovery (journal_t *);
-extern void jbd2_journal_update_superblock (journal_t *, int);
+extern void jbd2_journal_update_sb_log_tail (journal_t *, tid_t,
+ unsigned long, int);
extern void __jbd2_journal_abort_hard (journal_t *);
extern void jbd2_journal_abort (journal_t *, int);
extern int jbd2_journal_errno (journal_t *);
diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h
index 423cb6d78ee0..c18b46f8aeeb 100644
--- a/include/linux/journal-head.h
+++ b/include/linux/journal-head.h
@@ -66,6 +66,8 @@ struct journal_head {
* transaction (if there is one). Only applies to buffers on a
* transaction's data or metadata journaling list.
* [j_list_lock] [jbd_lock_bh_state()]
+ * Either of these locks is enough for reading, both are needed for
+ * changes.
*/
transaction_t *b_transaction;