diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 5 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.h | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 63255820b58a..d954f9b8071f 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3312,6 +3312,11 @@ xfs_bmap_compute_alignments( align = xfs_get_cowextsz_hint(ap->ip); else if (ap->datatype & XFS_ALLOC_USERDATA) align = xfs_get_extsz_hint(ap->ip); + + /* Try to align start block to any minimum allocation alignment */ + if (align > 1 && (ap->flags & XFS_BMAPI_EXTSZALIGN)) + args->alignment = align; + if (align) { if (xfs_bmap_extsize_align(mp, &ap->got, &ap->prev, align, 0, ap->eof, 0, ap->conv, &ap->offset, diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index b4d9c6e0f3f9..d5f2729305fa 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -87,6 +87,9 @@ struct xfs_bmalloca { /* Do not update the rmap btree. Used for reconstructing bmbt from rmapbt. */ #define XFS_BMAPI_NORMAP (1u << 10) +/* Try to align allocations to the extent size hint */ +#define XFS_BMAPI_EXTSZALIGN (1u << 11) + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -98,7 +101,8 @@ struct xfs_bmalloca { { XFS_BMAPI_REMAP, "REMAP" }, \ { XFS_BMAPI_COWFORK, "COWFORK" }, \ { XFS_BMAPI_NODISCARD, "NODISCARD" }, \ - { XFS_BMAPI_NORMAP, "NORMAP" } + { XFS_BMAPI_NORMAP, "NORMAP" },\ + { XFS_BMAPI_EXTSZALIGN, "EXTSZALIGN" } static inline int xfs_bmapi_aflag(int w) |