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authorIngo Molnar <mingo@kernel.org>2013-04-08 11:43:30 +0200
committerIngo Molnar <mingo@kernel.org>2013-04-08 11:43:30 +0200
commit529801898b24544f93532217ce18a7ebbb2b8c4f (patch)
treec51c8fd808e6cff15cabb1a9ac29be0661942384 /fs/ext4/extents_status.h
parentb847d0501afec4c7b12eb276aec10a2834f953ea (diff)
parent23995bbee01d75f09f72b1380bd6045a5b02947b (diff)
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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 @@
#endif
/*
+ * With ES_AGGRESSIVE_TEST defined, the result of es caching will be
+ * checked with old map_block's result.
+ */
+#define ES_AGGRESSIVE_TEST__
+
+/*
* These flags live in the high bits of extent_status.es_pblk
*/
#define EXTENT_STATUS_WRITTEN (1ULL << 63)
@@ -33,6 +39,8 @@
EXTENT_STATUS_DELAYED | \
EXTENT_STATUS_HOLE)
+struct ext4_extent;
+
struct extent_status {
struct rb_node rb_node;
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,
struct extent_status *es);
extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk,
struct extent_status *es);
+extern int ext4_es_zeroout(struct inode *inode, struct ext4_extent *ex);
static inline int ext4_es_is_written(struct extent_status *es)
{