We can deduce the allocation type from the bno argument, and do the
return without prod much simpler internally.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/xfs_bmap_util.c | 13 ++++---------
fs/xfs/xfs_rtalloc.c | 27 ++++++++-------------------
fs/xfs/xfs_rtalloc.h | 1 -
3 files changed, 12 insertions(+), 29 deletions(-)
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 7c3bfafffba8..c85dafed13c1 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -88,7 +88,6 @@ int
xfs_bmap_rtalloc(
struct xfs_bmalloca *ap) /* bmap alloc argument struct */
{
- xfs_alloctype_t atype = 0; /* type for allocation routines */
int error; /* error return value */
xfs_mount_t *mp; /* mount point structure */
xfs_extlen_t prod = 0; /* product factor for allocators */
@@ -155,18 +154,14 @@ xfs_bmap_rtalloc(
/*
* Realtime allocation, done through xfs_rtallocate_extent.
*/
- atype = ap->blkno == 0 ? XFS_ALLOCTYPE_ANY_AG : XFS_ALLOCTYPE_NEAR_BNO;
do_div(ap->blkno, mp->m_sb.sb_rextsize);
rtb = ap->blkno;
ap->length = ralen;
- if ((error = xfs_rtallocate_extent(ap->tp, ap->blkno, 1, ap->length,
- &ralen, atype, ap->wasdel, prod, &rtb)))
- return error;
- if (rtb == NULLFSBLOCK && prod > 1 &&
- (error = xfs_rtallocate_extent(ap->tp, ap->blkno, 1,
- ap->length, &ralen, atype,
- ap->wasdel, 1, &rtb)))
+ error = xfs_rtallocate_extent(ap->tp, ap->blkno, 1, ap->length,
+ &ralen, ap->wasdel, prod, &rtb);
+ if (error)
return error;
+
ap->blkno = rtb;
if (ap->blkno != NULLFSBLOCK) {
ap->blkno *= mp->m_sb.sb_rextsize;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 802bcc326d9f..0b04846e3f60 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1093,7 +1093,6 @@ xfs_rtallocate_extent(
xfs_extlen_t minlen, /* minimum length to allocate */
xfs_extlen_t maxlen, /* maximum length to allocate */
xfs_extlen_t *len, /* out: actual length allocated */
- xfs_alloctype_t type, /* allocation type XFS_ALLOCTYPE... */
int wasdel, /* was a delayed allocation extent */
xfs_extlen_t prod, /* extent product factor */
xfs_rtblock_t *rtblock) /* out: start block allocated */
@@ -1106,7 +1105,7 @@ xfs_rtallocate_extent(
ASSERT(xfs_isilocked(mp->m_rbmip, XFS_ILOCK_EXCL));
ASSERT(minlen > 0 && minlen <= maxlen);
-
+
/*
* If prod is set then figure out what to do to minlen and maxlen.
*/
@@ -1123,29 +1122,15 @@ xfs_rtallocate_extent(
}
}
+retry:
sumbp = NULL;
- /*
- * Allocate by size, or near another block, or exactly at some block.
- */
- switch (type) {
- case XFS_ALLOCTYPE_ANY_AG:
+ if (bno == 0) {
error = xfs_rtallocate_extent_size(mp, tp, minlen, maxlen, len,
&sumbp, &sb, prod, &r);
- break;
- case XFS_ALLOCTYPE_NEAR_BNO:
+ } else {
error = xfs_rtallocate_extent_near(mp, tp, bno, minlen, maxlen,
len, &sumbp, &sb, prod, &r);
- break;
- case XFS_ALLOCTYPE_THIS_BNO:
- error = xfs_rtallocate_extent_exact(mp, tp, bno, minlen, maxlen,
- len, &sumbp, &sb, prod, &r);
- break;
- default:
- error = -EIO;
- ASSERT(0);
}
- if (error)
- return error;
/*
* If it worked, update the superblock.
@@ -1158,7 +1143,11 @@ xfs_rtallocate_extent(
xfs_trans_mod_sb(tp, XFS_TRANS_SB_RES_FREXTENTS, -slen);
else
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FREXTENTS, -slen);
+ } else if (prod > 1) {
+ prod = 1;
+ goto retry;
}
+
*rtblock = r;
return 0;
}
diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h
index 355dd9e1cb64..18c8e821a0e4 100644
--- a/fs/xfs/xfs_rtalloc.h
+++ b/fs/xfs/xfs_rtalloc.h
@@ -40,7 +40,6 @@ xfs_rtallocate_extent(
xfs_extlen_t minlen, /* minimum length to allocate */
xfs_extlen_t maxlen, /* maximum length to allocate */
xfs_extlen_t *len, /* out: actual length allocated */
- xfs_alloctype_t type, /* allocation type XFS_ALLOCTYPE... */
int wasdel, /* was a delayed allocation extent */
xfs_extlen_t prod, /* extent product factor */
xfs_rtblock_t *rtblock); /* out: start block allocated */
--
2.11.0
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