Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

[mirror_ubuntu-artful-kernel.git] / fs / ext3 / xattr.c

diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index f58cbb26323e1ea666d78eba4cb4d3bd4c16490a..fb89c299becece36d14c319a33d0ab8301ae2007 100644 (file)
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -492,8 +492,7 @@ ext3_xattr_release_block(handle_t *handle, struct inode *inode,
                get_bh(bh);
                ext3_forget(handle, 1, inode, bh, bh->b_blocknr);
        } else {
-               BHDR(bh)->h_refcount = cpu_to_le32(
-                               le32_to_cpu(BHDR(bh)->h_refcount) - 1);
+               le32_add_cpu(&BHDR(bh)->h_refcount, -1);
                error = ext3_journal_dirty_metadata(handle, bh);
                if (IS_SYNC(inode))
                        handle->h_sync = 1;
@@ -741,12 +740,11 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode,
                }
        } else {
                /* Allocate a buffer where we construct the new block. */
-               s->base = kmalloc(sb->s_blocksize, GFP_KERNEL);
+               s->base = kzalloc(sb->s_blocksize, GFP_KERNEL);
                /* assert(header == s->base) */
                error = -ENOMEM;
                if (s->base == NULL)
                        goto cleanup;
-               memset(s->base, 0, sb->s_blocksize);
                header(s->base)->h_magic = cpu_to_le32(EXT3_XATTR_MAGIC);
                header(s->base)->h_blocks = cpu_to_le32(1);
                header(s->base)->h_refcount = cpu_to_le32(1);
@@ -781,8 +779,7 @@ inserted:
                                if (error)
                                        goto cleanup_dquot;
                                lock_buffer(new_bh);
-                               BHDR(new_bh)->h_refcount = cpu_to_le32(1 +
-                                       le32_to_cpu(BHDR(new_bh)->h_refcount));
+                               le32_add_cpu(&BHDR(new_bh)->h_refcount, 1);
                                ea_bdebug(new_bh, "reusing; refcount now=%d",
                                        le32_to_cpu(BHDR(new_bh)->h_refcount));
                                unlock_buffer(new_bh);