diff options
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
| -rw-r--r-- | fs/ocfs2/ocfs2.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 648ef8e45ea..5cc90a40b3c 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -306,6 +306,19 @@ static inline int ocfs2_sparse_alloc(struct ocfs2_super *osb) 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; +} + /* 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 |