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| author | Theodore Ts'o <tytso@mit.edu> | 2013-02-07 09:02:15 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-02-07 09:02:15 +0400 |
| commit | 078d5039a13dedbd2ed14153a6d764fd75baae07 (patch) | |
| tree | 30825f0697d3ee1ceb8ada814c4df65762b35b8e | |
| parent | 9fff24aa2c5c504aadead1ff9599e813604c2e53 (diff) | |
| download | linux-078d5039a13dedbd2ed14153a6d764fd75baae07.tar.xz | |
jbd2: revert "jbd2: add COW fields to struct jbd2_journal_handle"
This reverts commit 93737456d68ddcb86232f669b83da673dd12e351.
The cow-snapshots effort is no longer active, so remove these extra
fields to shrink down the handle structure.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | include/linux/jbd2.h | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index e0aafc46064f..24db7256a5ff 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -397,35 +397,13 @@ struct jbd2_journal_handle int h_err; /* Flags [no locking] */ - unsigned int h_sync:1; /* sync-on-close */ - unsigned int h_jdata:1; /* force data journaling */ - unsigned int h_aborted:1; /* fatal error on handle */ - unsigned int h_cowing:1; /* COWing block to snapshot */ - - /* Number of buffers requested by user: - * (before adding the COW credits factor) */ - unsigned int h_base_credits:14; - - /* Number of buffers the user is allowed to dirty: - * (counts only buffers dirtied when !h_cowing) */ - unsigned int h_user_credits:14; - + unsigned int h_sync: 1; /* sync-on-close */ + unsigned int h_jdata: 1; /* force data journaling */ + unsigned int h_aborted: 1; /* fatal error on handle */ #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map h_lockdep_map; #endif - -#ifdef CONFIG_JBD2_DEBUG - /* COW debugging counters: */ - unsigned int h_cow_moved; /* blocks moved to snapshot */ - unsigned int h_cow_copied; /* blocks copied to snapshot */ - unsigned int h_cow_ok_jh; /* blocks already COWed during current - transaction */ - unsigned int h_cow_ok_bitmap; /* blocks not set in COW bitmap */ - unsigned int h_cow_ok_mapped;/* blocks already mapped in snapshot */ - unsigned int h_cow_bitmaps; /* COW bitmaps created */ - unsigned int h_cow_excluded; /* blocks set in exclude bitmap */ -#endif }; |