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xfs: move inode copy-on-write predicates to xfs_inode.[ch]

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Move these inode predicate functions to xfs_inode.[ch] since they're not
reflink functions.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-07-02 11:22:31 -07:00
parent 24a4e1cb32
commit d76e137057
3 changed files with 15 additions and 10 deletions
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8
fs/xfs/xfs_inode.c
View File

@ -4297,3 +4297,11 @@ xfs_inode_alloc_unitsize(
return XFS_FSB_TO_B(ip->i_mount, blocks);
}
/* Should we always be using copy on write for file writes? */
bool
xfs_is_always_cow_inode(
struct xfs_inode *ip)
{
return ip->i_mount->m_always_cow && xfs_has_reflink(ip->i_mount);
}

7
fs/xfs/xfs_inode.h
View File

@ -292,6 +292,13 @@ static inline bool xfs_is_metadata_inode(struct xfs_inode *ip)
xfs_is_quota_inode(&mp->m_sb, ip->i_ino);
}
bool xfs_is_always_cow_inode(struct xfs_inode *ip);
static inline bool xfs_is_cow_inode(struct xfs_inode *ip)
{
return xfs_is_reflink_inode(ip) || xfs_is_always_cow_inode(ip);
}
/*
* Check if an inode has any data in the COW fork. This might be often false
* even for inodes with the reflink flag when there is no pending COW operation.

10
fs/xfs/xfs_reflink.h
View File

@ -6,16 +6,6 @@
#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_has_reflink(ip->i_mount);
}
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_trim_around_shared(struct xfs_inode *ip,
struct xfs_bmbt_irec *irec, bool *shared);
int xfs_bmap_trim_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap,