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authorNathan Scott <nathans@sgi.com>2006-03-14 14:07:36 +1100
committerNathan Scott <nathans@sgi.com>2006-03-14 14:07:36 +1100
commitf30a1211119741d2c1063ad613bec8434fb9d099 (patch)
tree712d1b9de569682233951b0704d977526d81e367 /fs/xfs
parentf020b67f3c0c071ed5b2281bfa717125c8a39ad6 (diff)
downloadop-kernel-dev-f30a1211119741d2c1063ad613bec8434fb9d099.zip
op-kernel-dev-f30a1211119741d2c1063ad613bec8434fb9d099.tar.gz
[XFS] Dynamically allocate the xfs_dinode_core_t structure to reduce our
stack footprint in xfs_ialloc_ag_alloc. SGI-PV: 947312 SGI-Modid: xfs-linux-melb:xfs-kern:25420a Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_ialloc.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 8f3fae1..0024892 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -138,8 +138,6 @@ xfs_ialloc_ag_alloc(
int version; /* inode version number to use */
int isaligned; /* inode allocation at stripe unit */
/* boundary */
- xfs_dinode_core_t dic; /* a dinode_core to copy to new */
- /* inodes */
args.tp = tp;
args.mp = tp->t_mountp;
@@ -250,10 +248,6 @@ xfs_ialloc_ag_alloc(
else
version = XFS_DINODE_VERSION_1;
- memset(&dic, 0, sizeof(xfs_dinode_core_t));
- INT_SET(dic.di_magic, ARCH_CONVERT, XFS_DINODE_MAGIC);
- INT_SET(dic.di_version, ARCH_CONVERT, version);
-
for (j = 0; j < nbufs; j++) {
/*
* Get the block.
@@ -266,12 +260,13 @@ xfs_ialloc_ag_alloc(
ASSERT(fbuf);
ASSERT(!XFS_BUF_GETERROR(fbuf));
/*
- * Loop over the inodes in this buffer.
+ * Set initial values for the inodes in this buffer.
*/
-
+ xfs_biozero(fbuf, 0, ninodes << args.mp->m_sb.sb_inodelog);
for (i = 0; i < ninodes; i++) {
free = XFS_MAKE_IPTR(args.mp, fbuf, i);
- memcpy(&(free->di_core), &dic, sizeof(xfs_dinode_core_t));
+ INT_SET(free->di_core.di_magic, ARCH_CONVERT, XFS_DINODE_MAGIC);
+ INT_SET(free->di_core.di_version, ARCH_CONVERT, version);
INT_SET(free->di_next_unlinked, ARCH_CONVERT, NULLAGINO);
xfs_ialloc_log_di(tp, fbuf, i,
XFS_DI_CORE_BITS | XFS_DI_NEXT_UNLINKED);
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