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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /include/linux/jbd.h
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'include/linux/jbd.h')
-rw-r--r--include/linux/jbd.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 346e2b80be7..64246dce566 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -543,6 +543,11 @@ struct transaction_s
unsigned long t_expires;
/*
+ * When this transaction started, in nanoseconds [no locking]
+ */
+ ktime_t t_start_time;
+
+ /*
* How many handles used this transaction? [t_handle_lock]
*/
int t_handle_count;
@@ -609,6 +614,8 @@ struct transaction_s
* @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the
* number that will fit in j_blocksize
* @j_last_sync_writer: most recent pid which did a synchronous write
+ * @j_average_commit_time: the average amount of time in nanoseconds it
+ * takes to commit a transaction to the disk.
* @j_private: An opaque pointer to fs-private information.
*/
@@ -798,9 +805,19 @@ struct journal_s
struct buffer_head **j_wbuf;
int j_wbufsize;
+ /*
+ * this is the pid of the last person to run a synchronous operation
+ * through the journal.
+ */
pid_t j_last_sync_writer;
/*
+ * the average amount of time in nanoseconds it takes to commit a
+ * transaction to the disk. [j_state_lock]
+ */
+ u64 j_average_commit_time;
+
+ /*
* An opaque pointer to fs-private information. ext3 puts its
* superblock pointer here
*/