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PNFS fix EACCESS on commit to DS handling
Commitfabbbee0eb
"PNFS fix fallback to MDS if got error on commit to DS" moved the pnfs_set_lo_fail() to unhandled errors which was not correct and lead to a kernel oops on umount. Instead, fix the original EACCESS on commit to DS error by getting the new layout and re-doing the IO. Fixes:fabbbee0eb
("PNFS fix fallback to MDS if got error on commit to DS") Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Cc: stable@vger.kernel.org # v4.12 Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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1 changed files with 2 additions and 1 deletions
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@ -172,6 +172,7 @@ static int filelayout_async_handle_error(struct rpc_task *task,
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case -NFS4ERR_RETRY_UNCACHED_REP:
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break;
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/* Invalidate Layout errors */
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case -NFS4ERR_ACCESS:
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case -NFS4ERR_PNFS_NO_LAYOUT:
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case -ESTALE: /* mapped NFS4ERR_STALE */
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case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */
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@ -202,10 +203,10 @@ static int filelayout_async_handle_error(struct rpc_task *task,
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task->tk_status);
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nfs4_mark_deviceid_unavailable(devid);
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pnfs_error_mark_layout_for_return(inode, lseg);
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pnfs_set_lo_fail(lseg);
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rpc_wake_up(&tbl->slot_tbl_waitq);
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/* fall through */
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default:
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pnfs_set_lo_fail(lseg);
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reset:
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dprintk("%s Retry through MDS. Error %d\n", __func__,
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task->tk_status);
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