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-rw-r--r--fs/nfs/Kconfig4
-rw-r--r--fs/nfs/dir.c28
-rw-r--r--fs/nfs/direct.c23
-rw-r--r--fs/nfs/file.c69
-rw-r--r--fs/nfs/fs_context.c2
-rw-r--r--fs/nfs/fscache.h14
-rw-r--r--fs/nfs/inode.c1
-rw-r--r--fs/nfs/internal.h10
-rw-r--r--fs/nfs/nfs42xattr.c2
-rw-r--r--fs/nfs/nfs4file.c6
-rw-r--r--fs/nfs/nfs4proc.c14
-rw-r--r--fs/nfs/read.c3
-rw-r--r--fs/nfs/symlink.c16
-rw-r--r--fs/nfs/unlink.c1
14 files changed, 106 insertions, 87 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 47a53b3362b6..14a72224b657 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -4,10 +4,6 @@ config NFS_FS
depends on INET && FILE_LOCKING && MULTIUSER
select LOCKD
select SUNRPC
- select CRYPTO
- select CRYPTO_HASH
- select XXHASH
- select CRYPTO_XXHASH
select NFS_ACL_SUPPORT if NFS_V3_ACL
help
Choose Y here if you want to access files residing on other
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index bac4cf1a308e..a8ecdd527662 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -39,7 +39,7 @@
#include <linux/sched.h>
#include <linux/kmemleak.h>
#include <linux/xattr.h>
-#include <linux/xxhash.h>
+#include <linux/hash.h>
#include "delegation.h"
#include "iostat.h"
@@ -55,7 +55,7 @@ static int nfs_closedir(struct inode *, struct file *);
static int nfs_readdir(struct file *, struct dir_context *);
static int nfs_fsync_dir(struct file *, loff_t, loff_t, int);
static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-static void nfs_readdir_clear_array(struct page*);
+static void nfs_readdir_free_folio(struct folio *);
const struct file_operations nfs_dir_operations = {
.llseek = nfs_llseek_dir,
@@ -67,7 +67,7 @@ const struct file_operations nfs_dir_operations = {
};
const struct address_space_operations nfs_dir_aops = {
- .freepage = nfs_readdir_clear_array,
+ .free_folio = nfs_readdir_free_folio,
};
#define NFS_INIT_DTSIZE PAGE_SIZE
@@ -228,6 +228,11 @@ static void nfs_readdir_clear_array(struct page *page)
kunmap_atomic(array);
}
+static void nfs_readdir_free_folio(struct folio *folio)
+{
+ nfs_readdir_clear_array(&folio->page);
+}
+
static void nfs_readdir_page_reinit_array(struct page *page, u64 last_cookie,
u64 change_attr)
{
@@ -350,10 +355,7 @@ out:
* of directory cookies. Content is addressed by the value of the
* cookie index of the first readdir entry in a page.
*
- * The xxhash algorithm is chosen because it is fast, and is supposed
- * to result in a decent flat distribution of hashes.
- *
- * We then select only the first 18 bits to avoid issues with excessive
+ * We select only the first 18 bits to avoid issues with excessive
* memory use for the page cache XArray. 18 bits should allow the caching
* of 262144 pages of sequences of readdir entries. Since each page holds
* 127 readdir entries for a typical 64-bit system, that works out to a
@@ -363,7 +365,7 @@ static pgoff_t nfs_readdir_page_cookie_hash(u64 cookie)
{
if (cookie == 0)
return 0;
- return xxhash(&cookie, sizeof(cookie), 0) & NFS_READDIR_COOKIE_MASK;
+ return hash_64(cookie, 18);
}
static bool nfs_readdir_page_validate(struct page *page, u64 last_cookie,
@@ -1991,16 +1993,6 @@ const struct dentry_operations nfs4_dentry_operations = {
};
EXPORT_SYMBOL_GPL(nfs4_dentry_operations);
-static fmode_t flags_to_mode(int flags)
-{
- fmode_t res = (__force fmode_t)flags & FMODE_EXEC;
- if ((flags & O_ACCMODE) != O_WRONLY)
- res |= FMODE_READ;
- if ((flags & O_ACCMODE) != O_RDONLY)
- res |= FMODE_WRITE;
- return res;
-}
-
static struct nfs_open_context *create_nfs_open_context(struct dentry *dentry, int open_flags, struct file *filp)
{
return alloc_nfs_open_context(dentry, flags_to_mode(open_flags), filp);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 11c566d8769f..4eb2a8380a28 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -153,28 +153,25 @@ nfs_direct_count_bytes(struct nfs_direct_req *dreq,
}
/**
- * nfs_direct_IO - NFS address space operation for direct I/O
+ * nfs_swap_rw - NFS address space operation for swap I/O
* @iocb: target I/O control block
* @iter: I/O buffer
*
- * The presence of this routine in the address space ops vector means
- * the NFS client supports direct I/O. However, for most direct IO, we
- * shunt off direct read and write requests before the VFS gets them,
- * so this method is only ever called for swap.
+ * Perform IO to the swap-file. This is much like direct IO.
*/
-ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
+int nfs_swap_rw(struct kiocb *iocb, struct iov_iter *iter)
{
- struct inode *inode = iocb->ki_filp->f_mapping->host;
-
- /* we only support swap file calling nfs_direct_IO */
- if (!IS_SWAPFILE(inode))
- return 0;
+ ssize_t ret;
VM_BUG_ON(iov_iter_count(iter) != PAGE_SIZE);
if (iov_iter_rw(iter) == READ)
- return nfs_file_direct_read(iocb, iter, true);
- return nfs_file_direct_write(iocb, iter, true);
+ ret = nfs_file_direct_read(iocb, iter, true);
+ else
+ ret = nfs_file_direct_write(iocb, iter, true);
+ if (ret < 0)
+ return ret;
+ return 0;
}
static void nfs_direct_release_pages(struct page **pages, unsigned int npages)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 150b7fa8f0a7..6f5425e89ca6 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -69,6 +69,8 @@ nfs_file_open(struct inode *inode, struct file *filp)
return res;
res = nfs_open(inode, filp);
+ if (res == 0)
+ filp->f_mode |= FMODE_CAN_ODIRECT;
return res;
}
@@ -313,7 +315,7 @@ static bool nfs_want_read_modify_write(struct file *file, struct page *page,
* increment the page use counts until he is done with the page.
*/
static int nfs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
+ loff_t pos, unsigned len,
struct page **pagep, void **fsdata)
{
int ret;
@@ -325,7 +327,7 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping,
file, mapping->host->i_ino, len, (long long) pos);
start:
- page = grab_cache_page_write_begin(mapping, index, flags);
+ page = grab_cache_page_write_begin(mapping, index);
if (!page)
return -ENOMEM;
*pagep = page;
@@ -337,7 +339,7 @@ start:
} else if (!once_thru &&
nfs_want_read_modify_write(file, page, pos, len)) {
once_thru = 1;
- ret = nfs_readpage(file, page);
+ ret = nfs_read_folio(file, page_folio(page));
put_page(page);
if (!ret)
goto start;
@@ -415,34 +417,31 @@ static void nfs_invalidate_folio(struct folio *folio, size_t offset,
}
/*
- * Attempt to release the private state associated with a page
- * - Called if either PG_private or PG_fscache is set on the page
- * - Caller holds page lock
- * - Return true (may release page) or false (may not)
+ * Attempt to release the private state associated with a folio
+ * - Called if either private or fscache flags are set on the folio
+ * - Caller holds folio lock
+ * - Return true (may release folio) or false (may not)
*/
-static int nfs_release_page(struct page *page, gfp_t gfp)
+static bool nfs_release_folio(struct folio *folio, gfp_t gfp)
{
- dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
+ dfprintk(PAGECACHE, "NFS: release_folio(%p)\n", folio);
- /* If PagePrivate() is set, then the page is not freeable */
- if (PagePrivate(page))
- return 0;
- return nfs_fscache_release_page(page, gfp);
+ /* If the private flag is set, then the folio is not freeable */
+ if (folio_test_private(folio))
+ return false;
+ return nfs_fscache_release_folio(folio, gfp);
}
-static void nfs_check_dirty_writeback(struct page *page,
+static void nfs_check_dirty_writeback(struct folio *folio,
bool *dirty, bool *writeback)
{
struct nfs_inode *nfsi;
- struct address_space *mapping = page_file_mapping(page);
-
- if (!mapping || PageSwapCache(page))
- return;
+ struct address_space *mapping = folio->mapping;
/*
- * Check if an unstable page is currently being committed and
- * if so, have the VM treat it as if the page is under writeback
- * so it will not block due to pages that will shortly be freeable.
+ * Check if an unstable folio is currently being committed and
+ * if so, have the VM treat it as if the folio is under writeback
+ * so it will not block due to folios that will shortly be freeable.
*/
nfsi = NFS_I(mapping->host);
if (atomic_read(&nfsi->commit_info.rpcs_out)) {
@@ -451,11 +450,11 @@ static void nfs_check_dirty_writeback(struct page *page,
}
/*
- * If PagePrivate() is set, then the page is not freeable and as the
- * inode is not being committed, it's not going to be cleaned in the
- * near future so treat it as dirty
+ * If the private flag is set, then the folio is not freeable
+ * and as the inode is not being committed, it's not going to
+ * be cleaned in the near future so treat it as dirty
*/
- if (PagePrivate(page))
+ if (folio_test_private(folio))
*dirty = true;
}
@@ -483,6 +482,7 @@ static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
{
unsigned long blocks;
long long isize;
+ int ret;
struct inode *inode = file_inode(file);
struct rpc_clnt *clnt = NFS_CLIENT(inode);
struct nfs_client *cl = NFS_SERVER(inode)->nfs_client;
@@ -496,13 +496,22 @@ static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
return -EINVAL;
}
- *span = sis->pages;
+ ret = rpc_clnt_swap_activate(clnt);
+ if (ret)
+ return ret;
+ ret = add_swap_extent(sis, 0, sis->max, 0);
+ if (ret < 0) {
+ rpc_clnt_swap_deactivate(clnt);
+ return ret;
+ }
+ *span = sis->pages;
if (cl->rpc_ops->enable_swap)
cl->rpc_ops->enable_swap(inode);
- return rpc_clnt_swap_activate(clnt);
+ sis->flags |= SWP_FS_OPS;
+ return ret;
}
static void nfs_swap_deactivate(struct file *file)
@@ -517,7 +526,7 @@ static void nfs_swap_deactivate(struct file *file)
}
const struct address_space_operations nfs_file_aops = {
- .readpage = nfs_readpage,
+ .read_folio = nfs_read_folio,
.readahead = nfs_readahead,
.dirty_folio = filemap_dirty_folio,
.writepage = nfs_writepage,
@@ -525,8 +534,7 @@ const struct address_space_operations nfs_file_aops = {
.write_begin = nfs_write_begin,
.write_end = nfs_write_end,
.invalidate_folio = nfs_invalidate_folio,
- .releasepage = nfs_release_page,
- .direct_IO = nfs_direct_IO,
+ .release_folio = nfs_release_folio,
#ifdef CONFIG_MIGRATION
.migratepage = nfs_migrate_page,
#endif
@@ -535,6 +543,7 @@ const struct address_space_operations nfs_file_aops = {
.error_remove_page = generic_error_remove_page,
.swap_activate = nfs_swap_activate,
.swap_deactivate = nfs_swap_deactivate,
+ .swap_rw = nfs_swap_rw,
};
/*
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index e2d59bb5e6bb..9a16897e8dc6 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -517,7 +517,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
if (result.negated)
ctx->flags &= ~NFS_MOUNT_SOFTREVAL;
else
- ctx->flags &= NFS_MOUNT_SOFTREVAL;
+ ctx->flags |= NFS_MOUNT_SOFTREVAL;
break;
case Opt_posix:
if (result.negated)
diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index 4e980cc04779..2a37af880978 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -48,14 +48,14 @@ extern void nfs_fscache_release_file(struct inode *, struct file *);
extern int __nfs_fscache_read_page(struct inode *, struct page *);
extern void __nfs_fscache_write_page(struct inode *, struct page *);
-static inline int nfs_fscache_release_page(struct page *page, gfp_t gfp)
+static inline bool nfs_fscache_release_folio(struct folio *folio, gfp_t gfp)
{
- if (PageFsCache(page)) {
+ if (folio_test_fscache(folio)) {
if (current_is_kswapd() || !(gfp & __GFP_FS))
return false;
- wait_on_page_fscache(page);
- fscache_note_page_release(nfs_i_fscache(page->mapping->host));
- nfs_inc_fscache_stats(page->mapping->host,
+ folio_wait_fscache(folio);
+ fscache_note_page_release(nfs_i_fscache(folio->mapping->host));
+ nfs_inc_fscache_stats(folio->mapping->host,
NFSIOS_FSCACHE_PAGES_UNCACHED);
}
return true;
@@ -129,9 +129,9 @@ static inline void nfs_fscache_open_file(struct inode *inode,
struct file *filp) {}
static inline void nfs_fscache_release_file(struct inode *inode, struct file *file) {}
-static inline int nfs_fscache_release_page(struct page *page, gfp_t gfp)
+static inline bool nfs_fscache_release_folio(struct folio *folio, gfp_t gfp)
{
- return 1; /* True: may release page */
+ return true; /* may release folio */
}
static inline int nfs_fscache_read_page(struct inode *inode, struct page *page)
{
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 7eb3b08d702f..b4e46b0ffa2d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1180,7 +1180,6 @@ int nfs_open(struct inode *inode, struct file *filp)
nfs_fscache_open_file(inode, filp);
return 0;
}
-EXPORT_SYMBOL_GPL(nfs_open);
/*
* This function is called whenever some part of NFS notices that
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 57b0497105c8..7eefa16ed381 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -42,6 +42,16 @@ static inline bool nfs_lookup_is_soft_revalidate(const struct dentry *dentry)
return true;
}
+static inline fmode_t flags_to_mode(int flags)
+{
+ fmode_t res = (__force fmode_t)flags & FMODE_EXEC;
+ if ((flags & O_ACCMODE) != O_WRONLY)
+ res |= FMODE_READ;
+ if ((flags & O_ACCMODE) != O_RDONLY)
+ res |= FMODE_WRITE;
+ return res;
+}
+
/*
* Note: RFC 1813 doesn't limit the number of auth flavors that
* a server can return, so make something up.
diff --git a/fs/nfs/nfs42xattr.c b/fs/nfs/nfs42xattr.c
index ad3405c64b9e..e7b34f7e0614 100644
--- a/fs/nfs/nfs42xattr.c
+++ b/fs/nfs/nfs42xattr.c
@@ -997,7 +997,7 @@ int __init nfs4_xattr_cache_init(void)
nfs4_xattr_cache_cachep = kmem_cache_create("nfs4_xattr_cache_cache",
sizeof(struct nfs4_xattr_cache), 0,
- (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_ACCOUNT),
+ (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
nfs4_xattr_cache_init_once);
if (nfs4_xattr_cache_cachep == NULL)
return -ENOMEM;
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index d258933cf8c8..7b861e4f0533 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -32,6 +32,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
struct dentry *parent = NULL;
struct inode *dir;
unsigned openflags = filp->f_flags;
+ fmode_t f_mode;
struct iattr attr;
int err;
@@ -50,8 +51,9 @@ nfs4_file_open(struct inode *inode, struct file *filp)
if (err)
return err;
+ f_mode = filp->f_mode;
if ((openflags & O_ACCMODE) == 3)
- return nfs_open(inode, filp);
+ f_mode |= flags_to_mode(openflags);
/* We can't create new files here */
openflags &= ~(O_CREAT|O_EXCL);
@@ -59,7 +61,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
parent = dget_parent(dentry);
dir = d_inode(parent);
- ctx = alloc_nfs_open_context(file_dentry(filp), filp->f_mode, filp);
+ ctx = alloc_nfs_open_context(file_dentry(filp), f_mode, filp);
err = PTR_ERR(ctx);
if (IS_ERR(ctx))
goto out;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e3f5b380cefe..a79f66432bd3 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -363,6 +363,14 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
kunmap_atomic(start);
}
+static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version)
+{
+ if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) {
+ fattr->pre_change_attr = version;
+ fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
+ }
+}
+
static void nfs4_test_and_free_stateid(struct nfs_server *server,
nfs4_stateid *stateid,
const struct cred *cred)
@@ -6553,7 +6561,9 @@ static void nfs4_delegreturn_release(void *calldata)
pnfs_roc_release(&data->lr.arg, &data->lr.res,
data->res.lr_ret);
if (inode) {
- nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
+ nfs4_fattr_set_prechange(&data->fattr,
+ inode_peek_iversion_raw(inode));
+ nfs_refresh_inode(inode, &data->fattr);
nfs_iput_and_deactive(inode);
}
kfree(calldata);
@@ -9615,6 +9625,8 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
task = rpc_run_task(&task_setup_data);
+ if (IS_ERR(task))
+ return ERR_CAST(task);
status = rpc_wait_for_completion_task(task);
if (status != 0)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 5e7657374bc3..5a9b043662e9 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -333,8 +333,9 @@ out:
* - The error flag is set for this page. This happens only when a
* previous async read operation failed.
*/
-int nfs_readpage(struct file *file, struct page *page)
+int nfs_read_folio(struct file *file, struct folio *folio)
{
+ struct page *page = &folio->page;
struct nfs_readdesc desc;
struct inode *inode = page_file_mapping(page)->host;
int ret;
diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c
index 25ba299fdac2..0e27a2e4e68b 100644
--- a/fs/nfs/symlink.c
+++ b/fs/nfs/symlink.c
@@ -26,21 +26,21 @@
* and straight-forward than readdir caching.
*/
-static int nfs_symlink_filler(void *data, struct page *page)
+static int nfs_symlink_filler(struct file *file, struct folio *folio)
{
- struct inode *inode = data;
+ struct inode *inode = folio->mapping->host;
int error;
- error = NFS_PROTO(inode)->readlink(inode, page, 0, PAGE_SIZE);
+ error = NFS_PROTO(inode)->readlink(inode, &folio->page, 0, PAGE_SIZE);
if (error < 0)
goto error;
- SetPageUptodate(page);
- unlock_page(page);
+ folio_mark_uptodate(folio);
+ folio_unlock(folio);
return 0;
error:
- SetPageError(page);
- unlock_page(page);
+ folio_set_error(folio);
+ folio_unlock(folio);
return -EIO;
}
@@ -67,7 +67,7 @@ static const char *nfs_get_link(struct dentry *dentry,
if (err)
return err;
page = read_cache_page(&inode->i_data, 0, nfs_symlink_filler,
- inode);
+ NULL);
if (IS_ERR(page))
return ERR_CAST(page);
}
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 5fa11e1aca4c..6f325e10056c 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -347,6 +347,7 @@ nfs_async_rename(struct inode *old_dir, struct inode *new_dir,
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL)
return ERR_PTR(-ENOMEM);
+ task_setup_data.task = &data->task;
task_setup_data.callback_data = data;
data->cred = get_current_cred();
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-08 16:01:01 +0300