u16 max_slots;
s16 node_num;
s16 slot_num;
+ s16 preferred_slot;
int s_sectsize_bits;
int s_clustersize;
int s_clustersize_bits;
return 0;
}
+static inline int ocfs2_writes_unwritten_extents(struct ocfs2_super *osb)
+{
+ /*
+ * Support for sparse files is a pre-requisite
+ */
+ if (!ocfs2_sparse_alloc(osb))
+ return 0;
+
+ if (osb->s_feature_ro_compat & OCFS2_FEATURE_RO_COMPAT_UNWRITTEN)
+ 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)
+ return 1;
+ return 0;
+}
+
/* set / clear functions because cluster events can make these happen
* in parallel so we want the transitions to be atomic. this also
* means that any future flags osb_flags must be protected by spinlock
/*
* Find the 1st page index which covers the given clusters.
*/
-static inline unsigned long ocfs2_align_clusters_to_page_index(struct super_block *sb,
+static inline pgoff_t ocfs2_align_clusters_to_page_index(struct super_block *sb,
u32 clusters)
{
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
- unsigned long index = clusters;
+ pgoff_t index = clusters;
if (PAGE_CACHE_SHIFT > cbits) {
- index = clusters >> (PAGE_CACHE_SHIFT - cbits);
+ index = (pgoff_t)clusters >> (PAGE_CACHE_SHIFT - cbits);
} else if (PAGE_CACHE_SHIFT < cbits) {
- index = clusters << (cbits - PAGE_CACHE_SHIFT);
+ index = (pgoff_t)clusters << (cbits - PAGE_CACHE_SHIFT);
}
return index;