aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ext4/extents_status.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2013-04-08 05:43:30 -0400
committerIngo Molnar <mingo@kernel.org>2013-04-08 05:43:30 -0400
commit529801898b24544f93532217ce18a7ebbb2b8c4f (patch)
treec51c8fd808e6cff15cabb1a9ac29be0661942384 /fs/ext4/extents_status.h
parentb847d0501afec4c7b12eb276aec10a2834f953ea (diff)
parent23995bbee01d75f09f72b1380bd6045a5b02947b (diff)
Merge branch 'for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/core
Pull IBM zEnterprise EC12 support patchlet from Robert Richter. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/ext4/extents_status.h')
-rw-r--r--fs/ext4/extents_status.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h
index f190dfe969da..d8e2d4dc311e 100644
--- a/fs/ext4/extents_status.h
+++ b/fs/ext4/extents_status.h
@@ -21,6 +21,12 @@
21#endif 21#endif
22 22
23/* 23/*
24 * With ES_AGGRESSIVE_TEST defined, the result of es caching will be
25 * checked with old map_block's result.
26 */
27#define ES_AGGRESSIVE_TEST__
28
29/*
24 * These flags live in the high bits of extent_status.es_pblk 30 * These flags live in the high bits of extent_status.es_pblk
25 */ 31 */
26#define EXTENT_STATUS_WRITTEN (1ULL << 63) 32#define EXTENT_STATUS_WRITTEN (1ULL << 63)
@@ -33,6 +39,8 @@
33 EXTENT_STATUS_DELAYED | \ 39 EXTENT_STATUS_DELAYED | \
34 EXTENT_STATUS_HOLE) 40 EXTENT_STATUS_HOLE)
35 41
42struct ext4_extent;
43
36struct extent_status { 44struct extent_status {
37 struct rb_node rb_node; 45 struct rb_node rb_node;
38 ext4_lblk_t es_lblk; /* first logical block extent covers */ 46 ext4_lblk_t es_lblk; /* first logical block extent covers */
@@ -58,6 +66,7 @@ extern void ext4_es_find_delayed_extent(struct inode *inode, ext4_lblk_t lblk,
58 struct extent_status *es); 66 struct extent_status *es);
59extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk, 67extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk,
60 struct extent_status *es); 68 struct extent_status *es);
69extern int ext4_es_zeroout(struct inode *inode, struct ext4_extent *ex);
61 70
62static inline int ext4_es_is_written(struct extent_status *es) 71static inline int ext4_es_is_written(struct extent_status *es)
63{ 72{