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-rw-r--r--fs/ocfs2/ocfs2.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 7d6b7d090452..8490c64d34fe 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -209,6 +209,11 @@ struct ocfs2_lock_res {
#endif
};
+enum ocfs2_orphan_reco_type {
+ ORPHAN_NO_NEED_TRUNCATE = 0,
+ ORPHAN_NEED_TRUNCATE,
+};
+
enum ocfs2_orphan_scan_state {
ORPHAN_SCAN_ACTIVE,
ORPHAN_SCAN_INACTIVE
@@ -279,6 +284,8 @@ enum ocfs2_mount_options
writes */
OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
+
+ OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
};
#define OCFS2_OSB_SOFT_RO 0x0001
@@ -493,6 +500,14 @@ static inline int ocfs2_writes_unwritten_extents(struct ocfs2_super *osb)
return 0;
}
+static inline int ocfs2_supports_append_dio(struct ocfs2_super *osb)
+{
+ if (osb->s_feature_ro_compat & OCFS2_FEATURE_RO_COMPAT_APPEND_DIO)
+ return 1;
+ return 0;
+}
+
+
static inline int ocfs2_supports_inline_data(struct ocfs2_super *osb)
{
if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
@@ -724,6 +739,16 @@ static inline unsigned int ocfs2_clusters_for_bytes(struct super_block *sb,
return clusters;
}
+static inline unsigned int ocfs2_bytes_to_clusters(struct super_block *sb,
+ u64 bytes)
+{
+ int cl_bits = OCFS2_SB(sb)->s_clustersize_bits;
+ unsigned int clusters;
+
+ clusters = (unsigned int)(bytes >> cl_bits);
+ return clusters;
+}
+
static inline u64 ocfs2_blocks_for_bytes(struct super_block *sb,
u64 bytes)
{