#define BTRFS_INODE_IN_DELALLOC_LIST 9
#define BTRFS_INODE_READDIO_NEED_LOCK 10
#define BTRFS_INODE_HAS_PROPS 11
+/* DIO is ready to submit */
+#define BTRFS_INODE_DIO_READY 12
/*
* The following 3 bits are meant only for the btree inode.
* When any of them is set, it means an error happened while writing an
*/
struct btrfs_key location;
- /* Lock for counters */
+ /*
+ * Lock for counters and all fields used to determine if the inode is in
+ * the log or not (last_trans, last_sub_trans, last_log_commit,
+ * logged_trans).
+ */
spinlock_t lock;
/* the extent_tree has caches of all the extent mappings to disk */
static inline int btrfs_inode_in_log(struct inode *inode, u64 generation)
{
+ int ret = 0;
+
+ spin_lock(&BTRFS_I(inode)->lock);
if (BTRFS_I(inode)->logged_trans == generation &&
BTRFS_I(inode)->last_sub_trans <=
BTRFS_I(inode)->last_log_commit &&
*/
smp_mb();
if (list_empty(&BTRFS_I(inode)->extent_tree.modified_extents))
- return 1;
+ ret = 1;
}
- return 0;
+ spin_unlock(&BTRFS_I(inode)->lock);
+ return ret;
}
#define BTRFS_DIO_ORIG_BIO_SUBMITTED 0x1