On Thu, Aug 13, 2015 at 8:34 PM, Sage Weil <sage@xxxxxxxxxxxx> wrote: > On Thu, 13 Aug 2015, Yan, Zheng wrote: >> On Thu, Aug 13, 2015 at 5:01 PM, Ma, Jianpeng <jianpeng.ma@xxxxxxxxx> wrote: >> > Because flags removed the O_CREAT, so we should use file->f_flags. >> > >> > Signed-off-by: Jianpeng Ma <jianpeng.ma@xxxxxxxxx> >> > --- >> > fs/ceph/file.c | 2 +- >> > 1 file changed, 1 insertion(+), 1 deletion(-) >> > >> > diff --git a/fs/ceph/file.c b/fs/ceph/file.c >> > index 8b79d87..e1347cf 100644 >> > --- a/fs/ceph/file.c >> > +++ b/fs/ceph/file.c >> > @@ -210,7 +210,7 @@ int ceph_open(struct inode *inode, struct file *file) >> > ihold(inode); >> > >> > req->r_num_caps = 1; >> > - if (flags & O_CREAT) >> > + if (file->f_flags & O_CREAT) >> > parent_inode = ceph_get_dentry_parent_inode(file->f_path.dentry); >> > err = ceph_mdsc_do_request(mdsc, parent_inode, req); >> > iput(parent_inode); >> >> In this case, we do not need parent_inode because file already exists. >> I'd like to remove the code that finds parent inode. > > Do you mean that O_CREAT is only removed in the case where the inode > already exists? Because there is at least one case where we do a single > op to the MDS that does the create + open, and in that case we do need to > make sure a dir fsync waits for it to commit. As long as we don't break > that one! > create+open case is handled by ceph_atomic_open or ceph_create. ceph_open is used only when inode already exists. Regards Yan, Zheng > sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
