Add a flag for the xfs_reflink_allocate_cow() API to allow the caller indirectly set XFS_BMAPI_EXTSZALIGN. Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx> --- fs/xfs/xfs_reflink.c | 8 ++++++-- fs/xfs/xfs_reflink.h | 2 ++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 690b1eefeb0e..9a419af89949 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -444,6 +444,11 @@ xfs_reflink_fill_cow_hole( int nimaps; int error; bool found; + uint32_t bmapi_flags = XFS_BMAPI_COWFORK | + XFS_BMAPI_PREALLOC; + + if (flags & XFS_REFLINK_ALLOC_EXTSZALIGN) + bmapi_flags |= XFS_BMAPI_EXTSZALIGN; resaligned = xfs_aligned_fsb_count(imap->br_startoff, imap->br_blockcount, xfs_get_cowextsz_hint(ip)); @@ -477,8 +482,7 @@ xfs_reflink_fill_cow_hole( /* Allocate the entire reservation as unwritten blocks. */ nimaps = 1; error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount, - XFS_BMAPI_COWFORK | XFS_BMAPI_PREALLOC, 0, cmap, - &nimaps); + bmapi_flags, 0, cmap, &nimaps); if (error) goto out_trans_cancel; diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index f4115836064b..0ab1857074e5 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -13,6 +13,8 @@ #define XFS_REFLINK_CONVERT_UNWRITTEN (1u << 0) /* force a new COW mapping to be allocated */ #define XFS_REFLINK_FORCE_COW (1u << 1) +/* request block allocations aligned to extszhint */ +#define XFS_REFLINK_ALLOC_EXTSZALIGN (1u << 2) /* * Check whether it is safe to free COW fork blocks from an inode. It is unsafe -- 2.31.1
