diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-11 18:00:51 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-11 22:52:13 -0400 |
| commit | a75b9df9d3bfc3cd1083974c045ae31ce5f3434f (patch) | |
| tree | 039cc65774c895d704f23a2c89b7f1bcd736e0b9 /fs/nfs/read.c | |
| parent | 2887fe45522843149ccf72e01f43813be4fb36c5 (diff) | |
| download | lwn-a75b9df9d3bfc3cd1083974c045ae31ce5f3434f.tar.gz lwn-a75b9df9d3bfc3cd1083974c045ae31ce5f3434f.zip | |
NFSv4.1: Ensure that layoutget uses the correct gfp modes
Currently, writebacks may end up recursing back into the filesystem due to
GFP_KERNEL direct reclaims in the pnfs subsystem.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/read.c')
| -rw-r--r-- | fs/nfs/read.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 7cded2b12a05..2bcf0dc306a1 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -288,7 +288,7 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc) atomic_set(&req->wb_complete, requests); BUG_ON(desc->pg_lseg != NULL); - lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_READ); + lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_READ, GFP_KERNEL); ClearPageError(page); offset = 0; nbytes = desc->pg_count; @@ -351,7 +351,7 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc) } req = nfs_list_entry(data->pages.next); if ((!lseg) && list_is_singular(&data->pages)) - lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_READ); + lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_READ, GFP_KERNEL); ret = nfs_read_rpcsetup(req, data, &nfs_read_full_ops, desc->pg_count, 0, lseg); |