diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-06-11 16:49:52 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-06 14:54:52 -0400 |
| commit | 2b17d725f9be59a1bfa0583af690c463fca1f385 (patch) | |
| tree | 01cefed044ba6592bdc5d4c84803fb318304184e | |
| parent | c98ebe2937404d8e6e028ac9cadcf870a6faccc2 (diff) | |
NFS: Clean up writeback code
Now that the VM promises never to recurse back into the filesystem
layer on writeback, remove all the GFP_NOFS references etc from
the generic writeback code.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
| -rw-r--r-- | fs/nfs/pagelist.c | 6 | ||||
| -rw-r--r-- | fs/nfs/pnfs.c | 2 | ||||
| -rw-r--r-- | fs/nfs/write.c | 7 |
3 files changed, 5 insertions, 10 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 6ef5278326b6..ed4e1b07447b 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -77,7 +77,7 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos) static inline struct nfs_page * nfs_page_alloc(void) { - struct nfs_page *p = kmem_cache_zalloc(nfs_page_cachep, GFP_NOIO); + struct nfs_page *p = kmem_cache_zalloc(nfs_page_cachep, GFP_KERNEL); if (p) INIT_LIST_HEAD(&p->wb_list); return p; @@ -775,8 +775,6 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc, if (pagecount <= ARRAY_SIZE(pg_array->page_array)) pg_array->pagevec = pg_array->page_array; else { - if (hdr->rw_mode == FMODE_WRITE) - gfp_flags = GFP_NOIO; pg_array->pagevec = kcalloc(pagecount, sizeof(struct page *), gfp_flags); if (!pg_array->pagevec) { pg_array->npages = 0; @@ -851,7 +849,7 @@ nfs_pageio_alloc_mirrors(struct nfs_pageio_descriptor *desc, desc->pg_mirrors_dynamic = NULL; if (mirror_count == 1) return desc->pg_mirrors_static; - ret = kmalloc_array(mirror_count, sizeof(*ret), GFP_NOFS); + ret = kmalloc_array(mirror_count, sizeof(*ret), GFP_KERNEL); if (ret != NULL) { for (i = 0; i < mirror_count; i++) nfs_pageio_mirror_init(&ret[i], desc->pg_bsize); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 83722e936b4a..56e423cd8180 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2468,7 +2468,7 @@ pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio, wb_size, IOMODE_RW, false, - GFP_NOFS); + GFP_KERNEL); if (IS_ERR(pgio->pg_lseg)) { pgio->pg_error = PTR_ERR(pgio->pg_lseg); pgio->pg_lseg = NULL; diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 059a7c38bc4f..92d9cadc6102 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -103,7 +103,7 @@ EXPORT_SYMBOL_GPL(nfs_commit_free); static struct nfs_pgio_header *nfs_writehdr_alloc(void) { - struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO); + struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_KERNEL); memset(p, 0, sizeof(*p)); p->rw_mode = FMODE_WRITE; @@ -721,12 +721,11 @@ 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; - unsigned int pflags = memalloc_nofs_save(); int err; nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGES); - ioc = nfs_io_completion_alloc(GFP_NOFS); + ioc = nfs_io_completion_alloc(GFP_KERNEL); if (ioc) nfs_io_completion_init(ioc, nfs_io_completion_commit, inode); @@ -737,8 +736,6 @@ 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; |