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pnfs: fix for BADLAYOUT error from LAYOUTGET

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Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2011-06-06 12:49:10 -04:00 • committed by unknown
parent 6269b2b112
commit c1b603ad7f
3 changed files with 14 additions and 10 deletions
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19
daemon/pnfs_layout.c
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@ -286,6 +286,7 @@ static enum pnfs_status file_layout_fetch(
IN stateid_arg *stateid,
IN enum pnfs_iomode iomode,
IN uint64_t offset,
IN uint64_t minlength,
IN uint64_t length)
{
pnfs_layoutget_res_ok layoutget_res = { 0 };
@ -299,8 +300,8 @@ static enum pnfs_status file_layout_fetch(
/* drop the lock during the rpc call */
ReleaseSRWLockExclusive(&state->lock);
nfsstat = pnfs_rpc_layoutget(session, meta_file,
stateid, iomode, offset, length, &layoutget_res);
nfsstat = pnfs_rpc_layoutget(session, meta_file, stateid,
iomode, offset, minlength, length, &layoutget_res);
AcquireSRWLockExclusive(&state->lock);
if (nfsstat) {
@ -395,14 +396,14 @@ static enum pnfs_status file_layout_cache(
if ((state->status & PNFS_LAYOUT_NOT_RW) == 0) {
/* try to get a RW layout first */
status = file_layout_fetch(state, session,
meta_file, stateid, PNFS_IOMODE_RW, offset, length);
status = file_layout_fetch(state, session, meta_file,
stateid, PNFS_IOMODE_RW, offset, 0, NFS4_UINT32_MAX);
}
if (status && iomode == PNFS_IOMODE_READ) {
/* fall back on READ if necessary */
status = file_layout_fetch(state, session,
meta_file, stateid, iomode, offset, length);
status = file_layout_fetch(state, session, meta_file,
stateid, iomode, offset, 0, NFS4_UINT32_MAX);
}
}
@ -517,9 +518,9 @@ static enum pnfs_status file_layout_get(
{
enum pnfs_status status;
/* request a range for the entire file */
status = file_layout_cache(state, session, meta_file,
stateid, iomode, 0, NFS4_UINT64_MAX);
/* request a range that covers this io */
status = file_layout_cache(state, session,
meta_file, stateid, iomode, offset, length);
if (status) {
dprintf(FLLVL, "file_layout_cache() failed with %s\n",
pnfs_error_string(status));