diff options
| author | Trond Myklebust | 2011-05-12 00:00:51 +0200 |
|---|---|---|
| committer | Trond Myklebust | 2011-05-12 04:52:13 +0200 |
| commit | a75b9df9d3bfc3cd1083974c045ae31ce5f3434f (patch) | |
| tree | 039cc65774c895d704f23a2c89b7f1bcd736e0b9 /fs/nfs/write.c | |
| parent | NFSv4.1: remove pnfs_layout_hdr from pnfs_destroy_all_layouts tmp_list (diff) | |
| download | kernel-qcow2-linux-a75b9df9d3bfc3cd1083974c045ae31ce5f3434f.tar.gz kernel-qcow2-linux-a75b9df9d3bfc3cd1083974c045ae31ce5f3434f.tar.xz kernel-qcow2-linux-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/write.c')
| -rw-r--r-- | fs/nfs/write.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 3bd5d7e80f6c..49c715b4ac92 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -939,7 +939,7 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc) atomic_set(&req->wb_complete, requests); BUG_ON(desc->pg_lseg); - lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_RW); + lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_RW, GFP_NOFS); ClearPageError(page); offset = 0; nbytes = desc->pg_count; @@ -1013,7 +1013,7 @@ static int nfs_flush_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_RW); + lseg = pnfs_update_layout(desc->pg_inode, req->wb_context, IOMODE_RW, GFP_NOFS); if ((desc->pg_ioflags & FLUSH_COND_STABLE) && (desc->pg_moreio || NFS_I(desc->pg_inode)->ncommit)) |