diff options
Diffstat (limited to 'fs/xfs/xfs_reflink.h')
| -rw-r--r-- | fs/xfs/xfs_reflink.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 6d73daef1f13..28a43b7f581d 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -6,16 +6,28 @@ #ifndef __XFS_REFLINK_H #define __XFS_REFLINK_H 1 +static inline bool xfs_is_always_cow_inode(struct xfs_inode *ip) +{ + return ip->i_mount->m_always_cow && + xfs_sb_version_hasreflink(&ip->i_mount->m_sb); +} + +static inline bool xfs_is_cow_inode(struct xfs_inode *ip) +{ + return xfs_is_reflink_inode(ip) || xfs_is_always_cow_inode(ip); +} + extern int xfs_reflink_find_shared(struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal); extern int xfs_reflink_trim_around_shared(struct xfs_inode *ip, struct xfs_bmbt_irec *irec, bool *shared); +bool xfs_inode_need_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap, + bool *shared); -extern int xfs_reflink_reserve_cow(struct xfs_inode *ip, - struct xfs_bmbt_irec *imap); extern int xfs_reflink_allocate_cow(struct xfs_inode *ip, - struct xfs_bmbt_irec *imap, bool *shared, uint *lockmode); + struct xfs_bmbt_irec *imap, bool *shared, uint *lockmode, + bool convert_now); extern int xfs_reflink_convert_cow(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); |