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Diffstat (limited to 'fs/ext4/ext4_jbd2.h')
-rw-r--r--fs/ext4/ext4_jbd2.h26
1 files changed, 21 insertions, 5 deletions
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index c8c6885406db..fdd865eb1879 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -265,7 +265,7 @@ int __ext4_handle_dirty_super(const char *where, unsigned int line,
__ext4_handle_dirty_super(__func__, __LINE__, (handle), (sb))
handle_t *__ext4_journal_start_sb(struct super_block *sb, unsigned int line,
- int type, int nblocks);
+ int type, int blocks, int rsv_blocks);
int __ext4_journal_stop(const char *where, unsigned int line, handle_t *handle);
#define EXT4_NOJOURNAL_MAX_REF_COUNT ((unsigned long) 4096)
@@ -300,21 +300,37 @@ static inline int ext4_handle_has_enough_credits(handle_t *handle, int needed)
}
#define ext4_journal_start_sb(sb, type, nblocks) \
- __ext4_journal_start_sb((sb), __LINE__, (type), (nblocks))
+ __ext4_journal_start_sb((sb), __LINE__, (type), (nblocks), 0)
#define ext4_journal_start(inode, type, nblocks) \
- __ext4_journal_start((inode), __LINE__, (type), (nblocks))
+ __ext4_journal_start((inode), __LINE__, (type), (nblocks), 0)
+
+#define ext4_journal_start_with_reserve(inode, type, blocks, rsv_blocks) \
+ __ext4_journal_start((inode), __LINE__, (type), (blocks), (rsv_blocks))
static inline handle_t *__ext4_journal_start(struct inode *inode,
unsigned int line, int type,
- int nblocks)
+ int blocks, int rsv_blocks)
{
- return __ext4_journal_start_sb(inode->i_sb, line, type, nblocks);
+ return __ext4_journal_start_sb(inode->i_sb, line, type, blocks,
+ rsv_blocks);
}
#define ext4_journal_stop(handle) \
__ext4_journal_stop(__func__, __LINE__, (handle))
+#define ext4_journal_start_reserve(handle, type) \
+ __ext4_journal_start_reserved((handle), __LINE__, (type))
+
+handle_t *__ext4_journal_start_reserved(handle_t *handle, unsigned int line,
+ int type);
+
+static inline void ext4_journal_free_reserved(handle_t *handle)
+{
+ if (ext4_handle_valid(handle))
+ jbd2_journal_free_reserved(handle);
+}
+
static inline handle_t *ext4_journal_current_handle(void)
{
return journal_current_handle();