diff options
Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
| -rw-r--r-- | fs/ext4/ext4_jbd2.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 7c70b08d104c..2b98d893cda9 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -133,6 +133,17 @@ handle_t *__ext4_journal_start_reserved(handle_t *handle, unsigned int line, return handle; } +int __ext4_journal_ensure_credits(handle_t *handle, int check_cred, + int extend_cred) +{ + if (!ext4_handle_valid(handle)) + return 0; + if (handle->h_buffer_credits >= check_cred) + return 0; + return ext4_journal_extend(handle, + extend_cred - handle->h_buffer_credits); +} + static void ext4_journal_abort_handle(const char *caller, unsigned int line, const char *err_fn, struct buffer_head *bh, |