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authorJan Kara <jack@suse.cz>2019-11-05 17:44:17 +0100
committerTheodore Ts'o <tytso@mit.edu>2019-11-05 16:00:48 -0500
commita9a8344ee1714f835ba394077e8c13d751e2f148 (patch)
treee1c8c2ca02986fb433198e68a89137339be74e99 /include/linux/jbd2.h
parenta413036791d040e33badcc634453a4d0c0705499 (diff)
ext4, jbd2: Provide accessor function for handle credits
Provide accessor function to get number of credits available in a handle and use it from ext4. Later, computation of available credits won't be so straightforward. Reviewed-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20191105164437.32602-11-jack@suse.cz Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'include/linux/jbd2.h')
-rw-r--r--include/linux/jbd2.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 10e6049c0ba9..727ff91d7f3e 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1645,6 +1645,12 @@ static inline tid_t jbd2_get_latest_transaction(journal_t *journal)
return tid;
}
+
+static inline int jbd2_handle_buffer_credits(handle_t *handle)
+{
+ return handle->h_buffer_credits;
+}
+
#ifdef __KERNEL__
#define buffer_trace_init(bh) do {} while (0)