diff options
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index d09c9f878141..f3ebabaa291d 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -26,6 +26,7 @@ #include <linux/iversion.h> #include <linux/uaccess.h> +#include <linux/sched/mm.h> #include "delegation.h" #include "internal.h" @@ -712,11 +713,13 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc) { struct inode *inode = mapping->host; struct nfs_pageio_descriptor pgio; - struct nfs_io_completion *ioc = nfs_io_completion_alloc(GFP_NOFS); + struct nfs_io_completion *ioc; + unsigned int pflags = memalloc_nofs_save(); int err; nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGES); + ioc = nfs_io_completion_alloc(GFP_NOFS); if (ioc) nfs_io_completion_init(ioc, nfs_io_completion_commit, inode); @@ -727,6 +730,8 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc) nfs_pageio_complete(&pgio); nfs_io_completion_put(ioc); + memalloc_nofs_restore(pflags); + if (err < 0) goto out_err; err = pgio.pg_error; @@ -865,7 +870,6 @@ EXPORT_SYMBOL_GPL(nfs_request_add_commit_list_locked); /** * nfs_request_add_commit_list - add request to a commit list * @req: pointer to a struct nfs_page - * @dst: commit list head * @cinfo: holds list lock and accounting info * * This sets the PG_CLEAN bit, updates the cinfo count of @@ -1412,20 +1416,27 @@ static void nfs_redirty_request(struct nfs_page *req) nfs_release_request(req); } -static void nfs_async_write_error(struct list_head *head) +static void nfs_async_write_error(struct list_head *head, int error) { struct nfs_page *req; while (!list_empty(head)) { req = nfs_list_entry(head->next); nfs_list_remove_request(req); + if (nfs_error_is_fatal(error)) { + nfs_context_set_write_error(req->wb_context, error); + if (nfs_error_is_fatal_on_server(error)) { + nfs_write_error_remove_page(req); + continue; + } + } nfs_redirty_request(req); } } static void nfs_async_write_reschedule_io(struct nfs_pgio_header *hdr) { - nfs_async_write_error(&hdr->pages); + nfs_async_write_error(&hdr->pages, 0); filemap_fdatawrite_range(hdr->inode->i_mapping, hdr->args.offset, hdr->args.offset + hdr->args.count - 1); } |