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authorNathan Scott <nathans@sgi.com>2006-09-28 11:03:27 +1000
committerTim Shimmin <tes@sgi.com>2006-09-28 11:03:27 +1000
commit77e4635ae191774526ed695482a151ac986f3806 (patch)
tree42cfa03f913883cd7f3d53be19b7e8c25258ee2c /fs/xfs/xfs_itable.c
parent572d95f49f3652fffe8242c4498b85f4083e52ab (diff)
[XFS] Add a greedy allocation interface, allocating within a min/max size
range. SGI-PV: 955302 SGI-Modid: xfs-linux-melb:xfs-kern:26803a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_itable.c')
-rw-r--r--fs/xfs/xfs_itable.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 612689940659..0fbbd7b9c696 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -326,7 +326,6 @@ xfs_bulkstat(
int i; /* loop index */
int icount; /* count of inodes good in irbuf */
int irbsize; /* size of irec buffer in bytes */
- unsigned int kmflags; /* flags for allocating irec buffer */
xfs_ino_t ino; /* inode number (filesystem) */
xfs_inobt_rec_incore_t *irbp; /* current irec buffer pointer */
xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */
@@ -371,19 +370,8 @@ xfs_bulkstat(
(XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog);
nimask = ~(nicluster - 1);
nbcluster = nicluster >> mp->m_sb.sb_inopblog;
- /*
- * Allocate a local buffer for inode cluster btree records.
- * This caps our maximum readahead window (so don't be stingy)
- * but we must handle the case where we can't get a contiguous
- * multi-page buffer, so we drop back toward pagesize; the end
- * case we ensure succeeds, via appropriate allocation flags.
- */
- irbsize = NBPP * 4;
- kmflags = KM_SLEEP | KM_MAYFAIL;
- while (!(irbuf = kmem_alloc(irbsize, kmflags))) {
- if ((irbsize >>= 1) <= NBPP)
- kmflags = KM_SLEEP;
- }
+ irbuf = kmem_zalloc_greedy(&irbsize, NBPC, NBPC * 4,
+ KM_SLEEP | KM_MAYFAIL | KM_LARGE);
nirbuf = irbsize / sizeof(*irbuf);
/*