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[JFFS2] Avoid alloc/dealloc for zero sized nodes 

Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Artem B. Bityuckiy 2005-07-07 16:45:32 +01:00 committed by Thomas Gleixner
parent 1ca70351af
commit 336d2ff711
1 changed files with 4 additions and 6 deletions
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10
fs/jffs2/readinode.c
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@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: readinode.c,v 1.120 2005/07/05 21:03:07 dwmw2 Exp $
* $Id: readinode.c,v 1.124 2005/07/07 15:45:29 dedekind Exp $
*
*/
@ -151,6 +151,9 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
D1(printk(KERN_DEBUG "jffs2_add_full_dnode_to_inode(ino #%u, f %p, fn %p)\n", f->inocache->ino, f, fn));
if (unlikely(!fn->size))
return 0;
newfrag = jffs2_alloc_node_frag();
if (unlikely(!newfrag))
return -ENOMEM;
@ -158,11 +161,6 @@ int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_in
D2(printk(KERN_DEBUG "adding node %04x-%04x @0x%08x on flash, newfrag *%p\n",
fn->ofs, fn->ofs+fn->size, ref_offset(fn->raw), newfrag));
if (unlikely(!fn->size)) {
jffs2_free_node_frag(newfrag);
return 0;
}
newfrag->ofs = fn->ofs;
newfrag->size = fn->size;
newfrag->node = fn;