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authorRichard Kennedy <richard@rsk.demon.co.uk>2008-05-23 00:52:00 -0400
committerJens Axboe <jens.axboe@oracle.com>2008-05-28 08:49:27 -0400
commitbe754d2c2161c0cce11d62727016985ecb76831b (patch)
tree4e8c62060ca8fc0ff1ab34bd2d3667581f8208b3 /block/cfq-iosched.c
parent05caf8dbc1880415df3378cfd114d832c9618b60 (diff)
block: reorder cfq_queue to save space on 64bit builds
saves 8 bytes of padding & increases objects/slab from 30 to 32 on my AMD64 config Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/cfq-iosched.c')
-rw-r--r--block/cfq-iosched.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index b399c62936e0..4df3f0522435 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -124,6 +124,8 @@ struct cfq_data {
124struct cfq_queue { 124struct cfq_queue {
125 /* reference count */ 125 /* reference count */
126 atomic_t ref; 126 atomic_t ref;
127 /* various state flags, see below */
128 unsigned int flags;
127 /* parent cfq_data */ 129 /* parent cfq_data */
128 struct cfq_data *cfqd; 130 struct cfq_data *cfqd;
129 /* service_tree member */ 131 /* service_tree member */
@@ -138,14 +140,14 @@ struct cfq_queue {
138 int queued[2]; 140 int queued[2];
139 /* currently allocated requests */ 141 /* currently allocated requests */
140 int allocated[2]; 142 int allocated[2];
141 /* pending metadata requests */
142 int meta_pending;
143 /* fifo list of requests in sort_list */ 143 /* fifo list of requests in sort_list */
144 struct list_head fifo; 144 struct list_head fifo;
145 145
146 unsigned long slice_end; 146 unsigned long slice_end;
147 long slice_resid; 147 long slice_resid;
148 148
149 /* pending metadata requests */
150 int meta_pending;
149 /* number of requests that are on the dispatch list or inside driver */ 151 /* number of requests that are on the dispatch list or inside driver */
150 int dispatched; 152 int dispatched;
151 153
@@ -153,8 +155,6 @@ struct cfq_queue {
153 unsigned short ioprio, org_ioprio; 155 unsigned short ioprio, org_ioprio;
154 unsigned short ioprio_class, org_ioprio_class; 156 unsigned short ioprio_class, org_ioprio_class;
155 157
156 /* various state flags, see below */
157 unsigned int flags;
158}; 158};
159 159
160enum cfqq_state_flags { 160enum cfqq_state_flags {