diff options
Diffstat (limited to 'include/linux/journal-head.h')
| -rw-r--r-- | include/linux/journal-head.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h index c18b46f8aeeb..98cd41bb39c8 100644 --- a/include/linux/journal-head.h +++ b/include/linux/journal-head.h @@ -30,6 +30,10 @@ struct journal_head { /* * Journalling list for this buffer [jbd_lock_bh_state()] + * NOTE: We *cannot* combine this with b_modified into a bitfield + * as gcc would then (which the C standard allows but which is + * very unuseful) make 64-bit accesses to the bitfield and clobber + * b_jcount if its update races with bitfield modification. */ unsigned b_jlist; @@ -41,13 +45,6 @@ struct journal_head { unsigned b_modified; /* - * This feild tracks the last transaction id in which this buffer - * has been cowed - * [jbd_lock_bh_state()] - */ - tid_t b_cow_tid; - - /* * Copy of the buffer data frozen for writing to the log. * [jbd_lock_bh_state()] */ |