[Bugs] [Bug 1330032] rm -rf to a dir gives directory not empty(ENOTEMPTY) error

bugzilla at redhat.com bugzilla at redhat.com
Mon Apr 25 10:31:34 UTC 2016


Nithya Balachandran <nbalacha at redhat.com> changed:

           What    |Removed                     |Added
      Comment #0 is|1                           |0
            private|                            |
             Status|NEW                         |ASSIGNED
           Assignee|bugs at gluster.org            |nbalacha at redhat.com

--- Comment #1 from Nithya Balachandran <nbalacha at redhat.com> ---
Steps to reproduce the issue:

1. Create a 2x2 dist-rep volume.
2. Set cluster.quorum-type to auto.
3. NFS mount the volume
4. mkdir -p dir1/dir2/dir3/dir4
5. Kill the first brick process for the non-hashed subvol for dir4
6. Try to delete dir4 : rmdir dir1/dir2/dir3/dir4

Expected results:
rmdir fails with EROFS. The directory should exist on all the bricks.

Actual results:
rmdir fails with EROFS but the directory is deleted from the hashed subvol.


In dht_rmdir_cbk:
                if (op_ret == -1) {
                        if ((op_errno != ENOENT) && (op_errno != ESTALE)) {
                                local->op_errno = op_errno;
                                local->op_ret = -1;

                                if (op_errno != EACCES)
                                        local->need_selfheal = 1;  <--
local->need_selfheal is set to 1 as op_errno is EROFS.

                        gf_uuid_unparse(local->loc.gfid, gfid);

                        gf_msg_debug (this->name, op_errno,
                                      "rmdir on %s for %s failed."
                                      "(gfid = %s)",
                                      prev->this->name, local->loc.path,
                        goto unlock;

However, local->fop_succeeded is still 0 as there are only 2 subvols.

                } else if (this_call_cnt) {
                        /* If non-hashed subvol's have responded, proceed */

---> No check is performed here to see if the fop succeeded. rmdir is wound to
the hashed subvol and succeeds.

                        local->need_selfheal = 0;
                        STACK_WIND (frame, dht_rmdir_hashed_subvol_cbk,
                                    &local->loc, local->flags, NULL);
                } else if (!this_call_cnt) {

Now dir4 exists on the non-hashed subvol but not the hashed subvol.
ls dir1/dir2/dir3 shows no entries but rmdir dir1/dir2/dir3 returns ENOTEMPTY.

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