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authorSteven Whitehouse <swhiteho@redhat.com>2011-04-18 14:18:09 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2011-04-20 09:01:37 +0100
commit4667a0ec32867865fd4deccf834594b3ea831baf (patch)
treebff74fb13700e4087972fce94e45fd69dae7939b /fs/gfs2/incore.h
parentf42ab0852946c1fb5103682c5897eb3da908e4b0 (diff)
GFS2: Make writeback more responsive to system conditions
This patch adds writeback_control to writing back the AIL list. This means that we can then take advantage of the information we get in ->write_inode() in order to set off some pre-emptive writeback. In addition, the AIL code is cleaned up a bit to make it a bit simpler to understand. There is still more which can usefully be done in this area, but this is a good start at least. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 5067beaffa68..69a63823f7c5 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -20,7 +20,6 @@
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
-#define DIO_ALL 0x00000100
struct gfs2_log_operations;
struct gfs2_log_element;
@@ -377,8 +376,6 @@ struct gfs2_ail {
unsigned int ai_first;
struct list_head ai_ail1_list;
struct list_head ai_ail2_list;
-
- u64 ai_sync_gen;
};
struct gfs2_journal_extent {
@@ -657,7 +654,6 @@ struct gfs2_sbd {
spinlock_t sd_ail_lock;
struct list_head sd_ail1_list;
struct list_head sd_ail2_list;
- u64 sd_ail_sync_gen;
/* Replay stuff */