diff options
| author | Sage Weil <sage@newdream.net> | 2009-12-07 21:17:17 +0100 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2009-12-07 21:17:17 +0100 |
| commit | b6c1d5b81ea0841ae9d3ce2cda319ab986b081cf (patch) | |
| tree | c7ddbaa1acdaec0704dfb0c1c539ddaf6e8c7506 /fs/ceph/xattr.c | |
| parent | ceph: use kref for ceph_buffer (diff) | |
| download | linux-b6c1d5b81ea0841ae9d3ce2cda319ab986b081cf.tar.xz linux-b6c1d5b81ea0841ae9d3ce2cda319ab986b081cf.zip | |
ceph: simplify ceph_buffer interface
We never allocate the ceph_buffer and buffer separtely, so use a single
constructor.
Disallow put on NULL buffer; make the caller check.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/xattr.c')
| -rw-r--r-- | fs/ceph/xattr.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 04769a3ab832..37d6ce645691 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -482,7 +482,8 @@ void __ceph_build_xattrs_blob(struct ceph_inode_info *ci) ci->i_xattrs.prealloc_blob->vec.iov_len = dest - ci->i_xattrs.prealloc_blob->vec.iov_base; - ceph_buffer_put(ci->i_xattrs.blob); + if (ci->i_xattrs.blob) + ceph_buffer_put(ci->i_xattrs.blob); ci->i_xattrs.blob = ci->i_xattrs.prealloc_blob; ci->i_xattrs.prealloc_blob = NULL; ci->i_xattrs.dirty = false; @@ -745,11 +746,12 @@ retry: spin_unlock(&inode->i_lock); dout(" preaallocating new blob size=%d\n", required_blob_size); - blob = ceph_buffer_new_alloc(required_blob_size, GFP_NOFS); + blob = ceph_buffer_new(required_blob_size, GFP_NOFS); if (!blob) goto out; spin_lock(&inode->i_lock); - ceph_buffer_put(ci->i_xattrs.prealloc_blob); + if (ci->i_xattrs.prealloc_blob) + ceph_buffer_put(ci->i_xattrs.prealloc_blob); ci->i_xattrs.prealloc_blob = blob; goto retry; } |