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authorSage Weil <sage@newdream.net>2011-07-26 22:27:48 +0400
committerSage Weil <sage@newdream.net>2011-07-26 22:27:48 +0400
commitacda76578813ef893004ecad0e5ad2bb6039e5f7 (patch)
treed77d818eb8e783437e25d7590dd9864001a7e1b3 /fs/ceph
parentd8de9ab63a57326d21154c13c365f949f53ce8e1 (diff)
downloadlinux-acda76578813ef893004ecad0e5ad2bb6039e5f7.tar.xz
ceph: fix bad parent_inode calc in ceph_lookup_open
We were always getting NULL here because the intent file f_dentry is always NULL at this point, which means we were always passing NULL to ceph_mdsc_do_request. In reality, this was fine, since this isn't currently ever a write operation that needs to get strung on the dir's unsafe list. Use the dir explicitly, and only pass it if this open has side-effects that a dir fsync should flush. Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/file.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 6c90cf090601..9b667e9abf4c 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -223,7 +223,6 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb);
struct ceph_mds_client *mdsc = fsc->mdsc;
struct file *file = nd->intent.open.file;
- struct inode *parent_inode = get_dentry_parent_inode(file->f_dentry);
struct ceph_mds_request *req;
int err;
int flags = nd->intent.open.flags - 1; /* silly vfs! */
@@ -242,7 +241,9 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
}
req->r_locked_dir = dir; /* caller holds dir->i_mutex */
- err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+ err = ceph_mdsc_do_request(mdsc,
+ (flags & (O_CREAT|O_TRUNC)) ? dir : NULL,
+ req);
dentry = ceph_finish_lookup(req, dentry, err);
if (!err && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
err = ceph_handle_notrace_create(dir, dentry);