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| author | Artem B. Bityuckiy <dedekind@infradead.org> | 2005-07-07 16:45:32 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-07-12 23:55:05 +0200 |
| commit | 336d2ff7115bd4391108a16f476c739cb4a505b0 (patch) | |
| tree | ac5dbf60deb2b97ec3cc0f0278da24efecacef21 /fs/jffs2/readinode.c | |
| parent | 1ca70351af02b1f0eb9cd2e7eb7a547f8ad5d893 (diff) | |
| download | lwn-336d2ff7115bd4391108a16f476c739cb4a505b0.tar.gz lwn-336d2ff7115bd4391108a16f476c739cb4a505b0.zip | |
[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>
Diffstat (limited to 'fs/jffs2/readinode.c')
| -rw-r--r-- | fs/jffs2/readinode.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index 081656c1d49e..8f0be5557ae9 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -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; |