summaryrefslogtreecommitdiff
path: root/fs/btrfs/btrfs_inode.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r--fs/btrfs/btrfs_inode.h34
1 files changed, 10 insertions, 24 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 47e72d72f7d0..33811e896623 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -384,30 +384,16 @@ static inline bool btrfs_inode_in_log(struct btrfs_inode *inode, u64 generation)
return ret;
}
-struct btrfs_dio_private {
- struct inode *inode;
-
- /*
- * Since DIO can use anonymous page, we cannot use page_offset() to
- * grab the file offset, thus need a dedicated member for file offset.
- */
- u64 file_offset;
- u64 disk_bytenr;
- /* Used for bio::bi_size */
- u32 bytes;
-
- /*
- * References to this structure. There is one reference per in-flight
- * bio plus one while we're still setting up.
- */
- refcount_t refs;
-
- /* dio_bio came from fs/direct-io.c */
- struct bio *dio_bio;
-
- /* Array of checksums */
- u8 csums[];
-};
+/*
+ * Check if the inode has flags compatible with compression
+ */
+static inline bool btrfs_inode_can_compress(const struct btrfs_inode *inode)
+{
+ if (inode->flags & BTRFS_INODE_NODATACOW ||
+ inode->flags & BTRFS_INODE_NODATASUM)
+ return false;
+ return true;
+}
/*
* btrfs_inode_item stores flags in a u64, btrfs_inode stores them in two