[Bugs] [Bug 1333268] SMB:while running I/ O on cifs mount and doing graph switch causes cifs mount to hang.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1333268

Joe Julian <joe at julianfamily.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |joe at julianfamily.org



--- Comment #3 from Joe Julian <joe at julianfamily.org> ---
This patch causes a problem in several places where glfs_preadv_async_cbk is
specifically called with a NULL iovec.

0 glfs-fops.c glfs_preadv_async_cbk     854 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, iovec, count);
1 glfs-fops.c glfs_pwritev_async_cbk   1168 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, NULL, 0);
2 glfs-fops.c glfs_fsync_async_cbk     1367 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, NULL, 0);
3 glfs-fops.c glfs_ftruncate_async_cbk 1573 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, NULL, 0);
4 glfs-fops.c glfs_discard_async_cbk   2429 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, NULL, 0);
5 glfs-fops.c glfs_zerofill_async_cbk  2514 glfs_io_async_cbk (op_ret,
op_errno, frame, cookie, NULL, 0);

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