@@ -500,7 +500,7 @@ const struct netfs_request_ops ceph_netfs_ops = {
#ifdef CONFIG_CEPH_FSCACHE
static void ceph_set_page_fscache(struct page *page)
{
- set_page_fscache(page);
+ folio_start_private_2(page_folio(page)); /* [DEPRECATED] */
}
static void ceph_fscache_write_terminated(void *priv, ssize_t error, bool was_async)
@@ -800,7 +800,7 @@ static int ceph_writepage(struct page *page, struct writeback_control *wbc)
return AOP_WRITEPAGE_ACTIVATE;
}
- wait_on_page_fscache(page);
+ folio_wait_private_2(page_folio(page)); /* [DEPRECATED] */
err = writepage_nounlock(page, wbc);
if (err == -ERESTARTSYS) {
@@ -1075,7 +1075,8 @@ static int ceph_writepages_start(struct address_space *mapping,
unlock_page(page);
break;
}
- if (PageWriteback(page) || PageFsCache(page)) {
+ if (PageWriteback(page) ||
+ PagePrivate2(page) /* [DEPRECATED] */) {
if (wbc->sync_mode == WB_SYNC_NONE) {
doutc(cl, "%p under writeback\n", page);
unlock_page(page);
@@ -1083,7 +1084,7 @@ static int ceph_writepages_start(struct address_space *mapping,
}
doutc(cl, "waiting on writeback %p\n", page);
wait_on_page_writeback(page);
- wait_on_page_fscache(page);
+ folio_wait_private_2(page_folio(page)); /* [DEPRECATED] */
}
if (!clear_page_dirty_for_io(page)) {
@@ -1513,7 +1514,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
if (r < 0)
return r;
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio); /* [DEPRECATED] */
WARN_ON_ONCE(!folio_test_locked(folio));
*pagep = &folio->page;
return 0;
@@ -70,7 +70,7 @@ void netfs_rreq_unlock_folios(struct netfs_io_request *rreq)
if (!folio_started && test_bit(NETFS_SREQ_COPY_TO_CACHE,
&subreq->flags)) {
trace_netfs_folio(folio, netfs_folio_trace_copy_to_cache);
- folio_start_fscache(folio);
+ folio_start_private_2(folio);
folio_started = true;
}
} else {
@@ -506,7 +506,7 @@ int netfs_write_begin(struct netfs_inode *ctx,
have_folio:
if (test_bit(NETFS_ICTX_USE_PGPRIV2, &ctx->flags)) {
- ret = folio_wait_fscache_killable(folio);
+ ret = folio_wait_private_2_killable(folio);
if (ret < 0)
goto error;
}
@@ -183,7 +183,7 @@ void __fscache_clear_page_bits(struct address_space *mapping,
rcu_read_lock();
xas_for_each(&xas, page, last) {
- end_page_fscache(page);
+ folio_end_private_2(page_folio(page));
}
rcu_read_unlock();
}
@@ -129,7 +129,7 @@ static void netfs_rreq_unmark_after_write(struct netfs_io_request *rreq,
continue;
unlocked = folio_next_index(folio) - 1;
trace_netfs_folio(folio, netfs_folio_trace_end_copy);
- folio_end_fscache(folio);
+ folio_end_private_2(folio);
have_unlocked = true;
}
}
@@ -433,7 +433,7 @@ static void nfs_invalidate_folio(struct folio *folio, size_t offset,
return;
/* Cancel any unstarted writes on this page */
nfs_wb_folio_cancel(inode, folio);
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio); /* [DEPRECATED] */
trace_nfs_invalidate_folio(inode, folio);
}
@@ -500,7 +500,7 @@ static int nfs_launder_folio(struct folio *folio)
dfprintk(PAGECACHE, "NFS: launder_folio(%ld, %llu)\n",
inode->i_ino, folio_pos(folio));
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio); /* [DEPRECATED] */
ret = nfs_wb_folio(inode, folio);
trace_nfs_launder_folio_done(inode, folio, ret);
return ret;
@@ -593,8 +593,8 @@ static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
sb_start_pagefault(inode->i_sb);
/* make sure the cache has finished storing the page */
- if (folio_test_fscache(folio) &&
- folio_wait_fscache_killable(folio) < 0) {
+ if (folio_test_private_2(folio) && /* [DEPRECATED] */
+ folio_wait_private_2_killable(folio) < 0) {
ret = VM_FAULT_RETRY;
goto out;
}
@@ -103,10 +103,10 @@ extern int nfs_netfs_read_folio(struct file *file, struct folio *folio);
static inline bool nfs_fscache_release_folio(struct folio *folio, gfp_t gfp)
{
- if (folio_test_fscache(folio)) {
+ if (folio_test_private_2(folio)) { /* [DEPRECATED] */
if (current_is_kswapd() || !(gfp & __GFP_FS))
return false;
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio);
}
fscache_note_page_release(netfs_i_cookie(netfs_inode(folio->mapping->host)));
return true;
@@ -2120,10 +2120,10 @@ int nfs_migrate_folio(struct address_space *mapping, struct folio *dst,
if (folio_test_private(src))
return -EBUSY;
- if (folio_test_fscache(src)) {
+ if (folio_test_private_2(src)) { /* [DEPRECATED] */
if (mode == MIGRATE_ASYNC)
return -EBUSY;
- folio_wait_fscache(src);
+ folio_wait_private_2(src);
}
return migrate_folio(mapping, dst, src, mode);
@@ -3032,12 +3032,12 @@ static ssize_t cifs_writepages_begin(struct address_space *mapping,
}
if (folio_test_writeback(folio) ||
- folio_test_fscache(folio)) {
+ folio_test_private_2(folio)) { /* [DEPRECATED] */
folio_unlock(folio);
if (wbc->sync_mode != WB_SYNC_NONE) {
folio_wait_writeback(folio);
#ifdef CONFIG_CIFS_FSCACHE
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio);
#endif
goto lock_again;
}
@@ -4510,8 +4510,8 @@ static vm_fault_t cifs_page_mkwrite(struct vm_fault *vmf)
* be modified. We then assume the entire folio will need writing back.
*/
#ifdef CONFIG_CIFS_FSCACHE
- if (folio_test_fscache(folio) &&
- folio_wait_fscache_killable(folio) < 0)
+ if (folio_test_private_2(folio) && /* [DEPRECATED] */
+ folio_wait_private_2_killable(folio) < 0)
return VM_FAULT_RETRY;
#endif
@@ -4977,10 +4977,10 @@ static bool cifs_release_folio(struct folio *folio, gfp_t gfp)
{
if (folio_test_private(folio))
return 0;
- if (folio_test_fscache(folio)) {
+ if (folio_test_private_2(folio)) { /* [DEPRECATED] */
if (current_is_kswapd() || !(gfp & __GFP_FS))
return false;
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio);
}
fscache_note_page_release(cifs_inode_cookie(folio->mapping->host));
return true;
@@ -4989,7 +4989,7 @@ static bool cifs_release_folio(struct folio *folio, gfp_t gfp)
static void cifs_invalidate_folio(struct folio *folio, size_t offset,
size_t length)
{
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio); /* [DEPRECATED] */
}
static int cifs_launder_folio(struct folio *folio)
@@ -5009,7 +5009,7 @@ static int cifs_launder_folio(struct folio *folio)
if (folio_clear_dirty_for_io(folio))
rc = cifs_writepage_locked(&folio->page, &wbc);
- folio_wait_fscache(folio);
+ folio_wait_private_2(folio); /* [DEPRECATED] */
return rc;
}
@@ -21,94 +21,22 @@
enum netfs_sreq_ref_trace;
-/*
- * Overload PG_private_2 to give us PG_fscache - this is used to indicate that
- * a page is currently backed by a local disk cache
- */
-#define folio_test_fscache(folio) folio_test_private_2(folio)
-#define PageFsCache(page) PagePrivate2((page))
-#define SetPageFsCache(page) SetPagePrivate2((page))
-#define ClearPageFsCache(page) ClearPagePrivate2((page))
-#define TestSetPageFsCache(page) TestSetPagePrivate2((page))
-#define TestClearPageFsCache(page) TestClearPagePrivate2((page))
-
/**
- * folio_start_fscache - Start an fscache write on a folio.
+ * folio_start_private_2 - Start an fscache write on a folio. [DEPRECATED]
* @folio: The folio.
*
* Call this function before writing a folio to a local cache. Starting a
* second write before the first one finishes is not allowed.
+ *
+ * Note that this should no longer be used.
*/
-static inline void folio_start_fscache(struct folio *folio)
+static inline void folio_start_private_2(struct folio *folio)
{
VM_BUG_ON_FOLIO(folio_test_private_2(folio), folio);
folio_get(folio);
folio_set_private_2(folio);
}
-/**
- * folio_end_fscache - End an fscache write on a folio.
- * @folio: The folio.
- *
- * Call this function after the folio has been written to the local cache.
- * This will wake any sleepers waiting on this folio.
- */
-static inline void folio_end_fscache(struct folio *folio)
-{
- folio_end_private_2(folio);
-}
-
-/**
- * folio_wait_fscache - Wait for an fscache write on this folio to end.
- * @folio: The folio.
- *
- * If this folio is currently being written to a local cache, wait for
- * the write to finish. Another write may start after this one finishes,
- * unless the caller holds the folio lock.
- */
-static inline void folio_wait_fscache(struct folio *folio)
-{
- folio_wait_private_2(folio);
-}
-
-/**
- * folio_wait_fscache_killable - Wait for an fscache write on this folio to end.
- * @folio: The folio.
- *
- * If this folio is currently being written to a local cache, wait
- * for the write to finish or for a fatal signal to be received.
- * Another write may start after this one finishes, unless the caller
- * holds the folio lock.
- *
- * Return:
- * - 0 if successful.
- * - -EINTR if a fatal signal was encountered.
- */
-static inline int folio_wait_fscache_killable(struct folio *folio)
-{
- return folio_wait_private_2_killable(folio);
-}
-
-static inline void set_page_fscache(struct page *page)
-{
- folio_start_fscache(page_folio(page));
-}
-
-static inline void end_page_fscache(struct page *page)
-{
- folio_end_private_2(page_folio(page));
-}
-
-static inline void wait_on_page_fscache(struct page *page)
-{
- folio_wait_private_2(page_folio(page));
-}
-
-static inline int wait_on_page_fscache_killable(struct page *page)
-{
- return folio_wait_private_2_killable(page_folio(page));
-}
-
/* Marks used on xarray-based buffers */
#define NETFS_BUF_PUT_MARK XA_MARK_0 /* - Page needs putting */
#define NETFS_BUF_PAGECACHE_MARK XA_MARK_1 /* - Page needs wb/dirty flag wrangling */
@@ -1540,7 +1540,7 @@ EXPORT_SYMBOL(folio_end_private_2);
* folio_wait_private_2 - Wait for PG_private_2 to be cleared on a folio.
* @folio: The folio to wait on.
*
- * Wait for PG_private_2 (aka PG_fscache) to be cleared on a folio.
+ * Wait for PG_private_2 to be cleared on a folio.
*/
void folio_wait_private_2(struct folio *folio)
{
@@ -1553,8 +1553,8 @@ EXPORT_SYMBOL(folio_wait_private_2);
* folio_wait_private_2_killable - Wait for PG_private_2 to be cleared on a folio.
* @folio: The folio to wait on.
*
- * Wait for PG_private_2 (aka PG_fscache) to be cleared on a folio or until a
- * fatal signal is received by the calling task.
+ * Wait for PG_private_2 to be cleared on a folio or until a fatal signal is
+ * received by the calling task.
*
* Return:
* - 0 if successful.