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ceph: avoid useless ceph_get_dentry_parent_inode() in ceph_rename()

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This is just old_dir; no reason to abuse the dcache pointers.

Reported-by: Al Viro <viro.zeniv.linux.org.uk>
Signed-off-by: Sage Weil <[email protected]>
Reviewed-by: Yan, Zheng <[email protected]>
This commit is contained in:
Sage Weil 2013-02-05 13:36:05 -08:00 • committed by Yan, Zheng
commit 180061a58c
1 changed files with 2 additions and 1 deletions
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3
fs/ceph/dir.c
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@ -911,10 +911,11 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_RENAME, USE_AUTH_MDS);
if (IS_ERR(req))
return PTR_ERR(req);
ihold(old_dir);
req->r_dentry = dget(new_dentry);
req->r_num_caps = 2;
req->r_old_dentry = dget(old_dentry);
req->r_old_dentry_dir = ceph_get_dentry_parent_inode(old_dentry);
req->r_old_dentry_dir = old_dir;
req->r_locked_dir = new_dir;
req->r_old_dentry_drop = CEPH_CAP_FILE_SHARED;
req->r_old_dentry_unless = CEPH_CAP_FILE_EXCL;