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Hi All, I am writing VFS layer for VxFS for Ganesha 2.4. While writing I am getting EIO error on Ganesha NFS V4 Server. Problem: In function fsal_rdwr(), if the file is already open then it does not open the file which races with the another thread closing the file. Hence I got EIO error on the NFS client and EBADF on NFS server. To fix this read write issue in fsal_rdwr(), Do I need to take lock similar to how FSAL_VFS is taking ? In NFS Ganesha 2.4, I found FSAL_VFS is taking lock in read/write and open/close. 488 /* Take read lock on object to protect file descriptor. */But I did not find any other FSAL like GPFS, CEPH is taking lock in read/write and open/close. Thanks, Vaibhav. |
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