diff options
author | Peng Tao <bergwolf@gmail.com> | 2011-09-22 21:50:14 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-11 09:42:58 -0800 |
commit | 626a6d5541e87d0812a5246f46462a83f89ce683 (patch) | |
tree | a72979ab07343dfd48a6c22b629aae5dd0e5237f /fs/nfs/write.c | |
parent | bef05def5076587c99095a7c7fd3637b0c9ec178 (diff) |
pnfs: recoalesce when ld write pagelist fails
commit 8ce160c5ef06cc89c2b6b26bfa5ef7a5ce2c93e0 upstream.
For pnfs pagelist write failure, we need to pg_recoalesce and resend IO to
mds.
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r-- | fs/nfs/write.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index c9bd2a6b7d4b..62eb5c5f2485 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1165,7 +1165,13 @@ static void nfs_writeback_done_full(struct rpc_task *task, void *calldata) static void nfs_writeback_release_full(void *calldata) { struct nfs_write_data *data = calldata; - int status = data->task.tk_status; + int ret, status = data->task.tk_status; + struct nfs_pageio_descriptor pgio; + + if (data->pnfs_error) { + nfs_pageio_init_write_mds(&pgio, data->inode, FLUSH_STABLE); + pgio.pg_recoalesce = 1; + } /* Update attributes as result of writeback. */ while (!list_empty(&data->pages)) { @@ -1181,6 +1187,11 @@ static void nfs_writeback_release_full(void *calldata) req->wb_bytes, (long long)req_offset(req)); + if (data->pnfs_error) { + dprintk(", pnfs error = %d\n", data->pnfs_error); + goto next; + } + if (status < 0) { nfs_set_pageerror(page); nfs_context_set_write_error(req->wb_context, status); @@ -1200,7 +1211,19 @@ remove_request: next: nfs_clear_page_tag_locked(req); nfs_end_page_writeback(page); + if (data->pnfs_error) { + lock_page(page); + nfs_pageio_cond_complete(&pgio, page->index); + ret = nfs_page_async_flush(&pgio, page, 0); + if (ret) { + nfs_set_pageerror(page); + dprintk("rewrite to MDS error = %d\n", ret); + } + unlock_page(page); + } } + if (data->pnfs_error) + nfs_pageio_complete(&pgio); nfs_writedata_release(calldata); } |