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ocfs2: alloc xattr bucket in ocfs2_xattr_set_handle 

In extreme situation, may need xattr bucket for setting
security entry and acl entries during mknod. This only
happens when block size is too small.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tiger Yang 2008-12-09 16:43:08 +08:00 committed by Mark Fasheh
parent 0e445b6fe9
commit 008aafaf0b
1 changed files with 15 additions and 3 deletions
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18
fs/ocfs2/xattr.c
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@ -2611,9 +2611,7 @@ out:
/*
* This function only called duing creating inode
* for init security/acl xattrs of the new inode.
* The xattrs could be put into ibody or extent block,
* xattr bucket would not be use in this case.
* transanction credits also be reserved in here.
* All transanction credits have been reserved in mknod.
*/
int ocfs2_xattr_set_handle(handle_t *handle,
struct inode *inode,
@ -2653,6 +2651,19 @@ int ocfs2_xattr_set_handle(handle_t *handle,
if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
return -EOPNOTSUPP;
/*
* In extreme situation, may need xattr bucket when
* block size is too small. And we have already reserved
* the credits for bucket in mknod.
*/
if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) {
xbs.bucket = ocfs2_xattr_bucket_new(inode);
if (!xbs.bucket) {
mlog_errno(-ENOMEM);
return -ENOMEM;
}
}
xis.inode_bh = xbs.inode_bh = di_bh;
di = (struct ocfs2_dinode *)di_bh->b_data;
@ -2672,6 +2683,7 @@ int ocfs2_xattr_set_handle(handle_t *handle,
cleanup:
up_write(&OCFS2_I(inode)->ip_xattr_sem);
brelse(xbs.xattr_bh);
ocfs2_xattr_bucket_free(xbs.bucket);
return ret;
}