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[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>
This commit is contained in:
Nathan Scott 2006-03-14 14:07:36 +11:00
parent f020b67f3c
commit f30a121111
1 changed files with 4 additions and 9 deletions
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13
fs/xfs/xfs_ialloc.c
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@ -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);