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pnfs-obj: pNFS errors are communicated on iodata->pnfs_error

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Some time along the way pNFS IO errors were switched to
communicate with a special iodata->pnfs_error member instead
of the regular RPC members. But objlayout was not switched
over.

Fix that!
Without this fix any IO error is hanged, because IO is not
switched to MDS and pages are never cleared or read.

[Applies to 3.2.0. Same bug different patch for 3.1/0 Kernels]
CC: Stable Tree <stable@kernel.org>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Boaz Harrosh 2012-01-06 09:28:12 +02:00 committed by Trond Myklebust
parent 0aaaf5c424
commit 5c0b4129c0
1 changed files with 4 additions and 0 deletions
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4
fs/nfs/objlayout/objlayout.c
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@ -254,6 +254,8 @@ objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync)
oir->status = rdata->task.tk_status = status;
if (status >= 0)
rdata->res.count = status;
else
rdata->pnfs_error = status;
objlayout_iodone(oir);
/* must not use oir after this point */
@ -334,6 +336,8 @@ objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync)
if (status >= 0) {
wdata->res.count = status;
wdata->verf.committed = oir->committed;
} else {
wdata->pnfs_error = status;
}
objlayout_iodone(oir);
/* must not use oir after this point */