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Diffstat (limited to 'fs/xfs/xfs_inode.h')
-rw-r--r--fs/xfs/xfs_inode.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 8f30d2533b48..f14c1de2549d 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -47,6 +47,7 @@ typedef struct xfs_inode {
/* Extent information. */
xfs_ifork_t *i_afp; /* attribute fork pointer */
+ xfs_ifork_t *i_cowfp; /* copy on write extents */
xfs_ifork_t i_df; /* data fork */
/* operations vectors */
@@ -65,6 +66,9 @@ typedef struct xfs_inode {
struct xfs_icdinode i_d; /* most of ondisk inode */
+ xfs_extnum_t i_cnextents; /* # of extents in cow fork */
+ unsigned int i_cformat; /* format of cow fork */
+
/* VFS inode */
struct inode i_vnode; /* embedded VFS inode */
} xfs_inode_t;
@@ -202,6 +206,11 @@ xfs_get_initial_prid(struct xfs_inode *dp)
return XFS_PROJID_DEFAULT;
}
+static inline bool xfs_is_reflink_inode(struct xfs_inode *ip)
+{
+ return ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK;
+}
+
/*
* In-core inode flags.
*/
@@ -217,6 +226,12 @@ xfs_get_initial_prid(struct xfs_inode *dp)
#define XFS_IPINNED (1 << __XFS_IPINNED_BIT)
#define XFS_IDONTCACHE (1 << 9) /* don't cache the inode long term */
#define XFS_IEOFBLOCKS (1 << 10)/* has the preallocblocks tag set */
+/*
+ * If this unlinked inode is in the middle of recovery, don't let drop_inode
+ * truncate and free the inode. This can happen if we iget the inode during
+ * log recovery to replay a bmap operation on the inode.
+ */
+#define XFS_IRECOVERY (1 << 11)
/*
* Per-lifetime flags need to be reset when re-using a reclaimable inode during
@@ -411,6 +426,7 @@ int xfs_iflush(struct xfs_inode *, struct xfs_buf **);
void xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip);
+xfs_extlen_t xfs_get_cowextsz_hint(struct xfs_inode *ip);
int xfs_dir_ialloc(struct xfs_trans **, struct xfs_inode *, umode_t,
xfs_nlink_t, xfs_dev_t, prid_t, int,
@@ -474,4 +490,7 @@ do { \
extern struct kmem_zone *xfs_inode_zone;
+/* The default CoW extent size hint. */
+#define XFS_DEFAULT_COWEXTSZ_HINT 32
+
#endif /* __XFS_INODE_H__ */