lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pnfs: make _set_lo_fail generic

Browse Source 
file layout and block layout both use it to set mark layout io failure
bit. So make it generic.

Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Cc: stable@kernel.org [3.0]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Peng Tao
2011-09-22 21:50:12 -04:00
committed by Trond Myklebust
parent 760383f1ee
commit 1b0ae06877
4 changed files with 19 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
fs/nfs/nfs4filelayout.c
View File

@ -77,19 +77,6 @@ filelayout_get_dserver_offset(struct pnfs_layout_segment *lseg, loff_t offset)
BUG();
}
/* For data server errors we don't recover from */
static void
filelayout_set_lo_fail(struct pnfs_layout_segment *lseg)
{
if (lseg->pls_range.iomode == IOMODE_RW) {
dprintk("%s Setting layout IOMODE_RW fail bit\n", __func__);
set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
} else {
dprintk("%s Setting layout IOMODE_READ fail bit\n", __func__);
set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
}
}
static int filelayout_async_handle_error(struct rpc_task *task,
struct nfs4_state *state,
struct nfs_client *clp,
@ -145,7 +132,7 @@ static int filelayout_read_done_cb(struct rpc_task *task,
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
filelayout_set_lo_fail(data->lseg);
pnfs_set_lo_fail(data->lseg);
nfs4_reset_read(task, data);
clp = NFS_SERVER(data->inode)->nfs_client;
}
@ -221,7 +208,7 @@ static int filelayout_write_done_cb(struct rpc_task *task,
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
filelayout_set_lo_fail(data->lseg);
pnfs_set_lo_fail(data->lseg);
nfs4_reset_write(task, data);
clp = NFS_SERVER(data->inode)->nfs_client;
} else
@ -256,7 +243,7 @@ static int filelayout_commit_done_cb(struct rpc_task *task,
__func__, data->ds_clp, data->ds_clp->cl_session);
if (reset) {
prepare_to_resend_writes(data);
filelayout_set_lo_fail(data->lseg);
pnfs_set_lo_fail(data->lseg);
} else
nfs_restart_rpc(task, data->ds_clp);
return -EAGAIN;