On Thu, Apr 13, 2017 at 10:05:10AM +0200, Christoph Hellwig wrote:
> The only user just went away, so we can remove the flag and the minlen
> parameter in struct xfs_bmalloca now.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> fs/xfs/libxfs/xfs_bmap.c | 17 +++++++----------
> fs/xfs/libxfs/xfs_bmap.h | 3 ---
> 2 files changed, 7 insertions(+), 13 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 7f42f6067eb5..aec4907056ba 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -3473,12 +3473,12 @@ xfs_bmap_select_minlen(
> xfs_extlen_t *blen,
> int notinit)
> {
> - if (notinit || *blen < ap->minlen) {
> + if (notinit) {
> /*
> * Since we did a BUF_TRYLOCK above, it is possible that
> * there is space for this request.
> */
> - args->minlen = ap->minlen;
> + args->minlen = 1;
The ap param is no longer used in this function. Otherwise looks Ok to
me:
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> } else if (*blen < args->maxlen) {
> /*
> * If the best seen length is less than the request length,
> @@ -3670,11 +3670,11 @@ xfs_bmap_btalloc(
> args.type = XFS_ALLOCTYPE_FIRST_AG;
> else
> args.type = XFS_ALLOCTYPE_START_BNO;
> - args.total = args.minlen = ap->minlen;
> + args.total = args.minlen = 1;
> } else {
> args.type = XFS_ALLOCTYPE_NEAR_BNO;
> args.total = ap->total;
> - args.minlen = ap->minlen;
> + args.minlen = 1;
> }
> /* apply extent size hints if obtained earlier */
> if (align) {
> @@ -3776,9 +3776,8 @@ xfs_bmap_btalloc(
> if ((error = xfs_alloc_vextent(&args)))
> return error;
> }
> - if (args.fsbno == NULLFSBLOCK && nullfb &&
> - args.minlen > ap->minlen) {
> - args.minlen = ap->minlen;
> + if (args.fsbno == NULLFSBLOCK && nullfb && args.minlen > 1) {
> + args.minlen = 1;
> args.type = XFS_ALLOCTYPE_START_BNO;
> args.fsbno = ap->blkno;
> if ((error = xfs_alloc_vextent(&args)))
> @@ -3787,7 +3786,7 @@ xfs_bmap_btalloc(
> if (args.fsbno == NULLFSBLOCK && nullfb) {
> args.fsbno = 0;
> args.type = XFS_ALLOCTYPE_FIRST_AG;
> - args.total = ap->minlen;
> + args.total = 1;
> if ((error = xfs_alloc_vextent(&args)))
> return error;
> ap->dfops->dop_low = true;
> @@ -4246,8 +4245,6 @@ xfs_bmapi_allocate(
> bma->datatype |= XFS_ALLOC_USERDATA_ZERO;
> }
>
> - bma->minlen = (bma->flags & XFS_BMAPI_CONTIG) ? bma->length : 1;
> -
> /*
> * Only want to do the alignment at the eof if it is userdata and
> * allocation length is larger than a stripe unit.
> diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
> index a6e612cabe15..d9e0b1db4cdb 100644
> --- a/fs/xfs/libxfs/xfs_bmap.h
> +++ b/fs/xfs/libxfs/xfs_bmap.h
> @@ -48,7 +48,6 @@ struct xfs_bmalloca {
> int logflags;/* flags for transaction logging */
>
> xfs_extlen_t total; /* total blocks needed for xaction */
> - xfs_extlen_t minlen; /* minimum allocation size (blocks) */
> xfs_extlen_t minleft; /* amount must be left after alloc */
> bool eof; /* set if allocating past last extent */
> bool wasdel; /* replacing a delayed allocation */
> @@ -81,7 +80,6 @@ struct xfs_extent_free_item
> #define XFS_BMAPI_PREALLOC 0x008 /* preallocation op: unwritten space */
> #define XFS_BMAPI_IGSTATE 0x010 /* Ignore state - */
> /* combine contig. space */
> -#define XFS_BMAPI_CONTIG 0x020 /* must allocate only one extent */
> /*
> * unwritten extent conversion - this needs write cache flushing and no additional
> * allocation alignments. When specified with XFS_BMAPI_PREALLOC it converts
> @@ -119,7 +117,6 @@ struct xfs_extent_free_item
> { XFS_BMAPI_ATTRFORK, "ATTRFORK" }, \
> { XFS_BMAPI_PREALLOC, "PREALLOC" }, \
> { XFS_BMAPI_IGSTATE, "IGSTATE" }, \
> - { XFS_BMAPI_CONTIG, "CONTIG" }, \
> { XFS_BMAPI_CONVERT, "CONVERT" }, \
> { XFS_BMAPI_ZERO, "ZERO" }, \
> { XFS_BMAPI_REMAP, "REMAP" }, \
> --
> 2.11.0
>
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