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-rw-r--r--fs/fuse/control.c17
-rw-r--r--fs/fuse/dax.c3
-rw-r--r--fs/fuse/dev.c8
-rw-r--r--fs/fuse/dir.c2
-rw-r--r--fs/fuse/file.c33
-rw-r--r--fs/fuse/inode.c2
-rw-r--r--fs/fuse/virtio_fs.c1
7 files changed, 29 insertions, 37 deletions
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 000d2e5627e9..7cede9a3bc96 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -164,7 +164,6 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file,
{
unsigned val;
struct fuse_conn *fc;
- struct fuse_mount *fm;
ssize_t ret;
ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
@@ -178,22 +177,6 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file,
down_read(&fc->killsb);
spin_lock(&fc->bg_lock);
fc->congestion_threshold = val;
-
- /*
- * Get any fuse_mount belonging to this fuse_conn; s_bdi is
- * shared between all of them
- */
-
- if (!list_empty(&fc->mounts)) {
- fm = list_first_entry(&fc->mounts, struct fuse_mount, fc_entry);
- if (fc->num_background < fc->congestion_threshold) {
- clear_bdi_congested(fm->sb->s_bdi, BLK_RW_SYNC);
- clear_bdi_congested(fm->sb->s_bdi, BLK_RW_ASYNC);
- } else {
- set_bdi_congested(fm->sb->s_bdi, BLK_RW_SYNC);
- set_bdi_congested(fm->sb->s_bdi, BLK_RW_ASYNC);
- }
- }
spin_unlock(&fc->bg_lock);
up_read(&fc->killsb);
fuse_conn_put(fc);
diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index 182b24a14804..d7d3a7f06862 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1326,8 +1326,7 @@ bool fuse_dax_inode_alloc(struct super_block *sb, struct fuse_inode *fi)
static const struct address_space_operations fuse_dax_file_aops = {
.writepages = fuse_dax_writepages,
.direct_IO = noop_direct_IO,
- .set_page_dirty = __set_page_dirty_no_writeback,
- .invalidatepage = noop_invalidatepage,
+ .dirty_folio = noop_dirty_folio,
};
static bool fuse_should_enable_dax(struct inode *inode, unsigned int flags)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 592730fd6e42..0e537e580dc1 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -315,10 +315,6 @@ void fuse_request_end(struct fuse_req *req)
wake_up(&fc->blocked_waitq);
}
- if (fc->num_background == fc->congestion_threshold && fm->sb) {
- clear_bdi_congested(fm->sb->s_bdi, BLK_RW_SYNC);
- clear_bdi_congested(fm->sb->s_bdi, BLK_RW_ASYNC);
- }
fc->num_background--;
fc->active_background--;
flush_bg_queue(fc);
@@ -540,10 +536,6 @@ static bool fuse_request_queue_background(struct fuse_req *req)
fc->num_background++;
if (fc->num_background == fc->max_background)
fc->blocked = 1;
- if (fc->num_background == fc->congestion_threshold && fm->sb) {
- set_bdi_congested(fm->sb->s_bdi, BLK_RW_SYNC);
- set_bdi_congested(fm->sb->s_bdi, BLK_RW_ASYNC);
- }
list_add_tail(&req->list, &fc->bg_queue);
flush_bg_queue(fc);
queued = true;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 656e921f3506..9ff27b8a9782 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1773,7 +1773,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
/*
* Only call invalidate_inode_pages2() after removing
- * FUSE_NOWRITE, otherwise fuse_launder_page() would deadlock.
+ * FUSE_NOWRITE, otherwise fuse_launder_folio() would deadlock.
*/
if ((is_truncate || !is_wb) &&
S_ISREG(inode->i_mode) && oldsize != outarg.attr.size) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 0fc150c1c50b..f18d14d5fea1 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -966,6 +966,14 @@ static void fuse_readahead(struct readahead_control *rac)
struct fuse_io_args *ia;
struct fuse_args_pages *ap;
+ if (fc->num_background >= fc->congestion_threshold &&
+ rac->ra->async_size >= readahead_count(rac))
+ /*
+ * Congested and only async pages left, so skip the
+ * rest.
+ */
+ break;
+
nr_pages = readahead_count(rac) - nr_pages;
if (nr_pages > max_pages)
nr_pages = max_pages;
@@ -1959,6 +1967,7 @@ err:
static int fuse_writepage(struct page *page, struct writeback_control *wbc)
{
+ struct fuse_conn *fc = get_fuse_conn(page->mapping->host);
int err;
if (fuse_page_is_writeback(page->mapping->host, page->index)) {
@@ -1974,6 +1983,10 @@ static int fuse_writepage(struct page *page, struct writeback_control *wbc)
return 0;
}
+ if (wbc->sync_mode == WB_SYNC_NONE &&
+ fc->num_background >= fc->congestion_threshold)
+ return AOP_WRITEPAGE_ACTIVATE;
+
err = fuse_writepage_locked(page);
unlock_page(page);
@@ -2227,6 +2240,10 @@ static int fuse_writepages(struct address_space *mapping,
if (fuse_is_bad(inode))
goto out;
+ if (wbc->sync_mode == WB_SYNC_NONE &&
+ fc->num_background >= fc->congestion_threshold)
+ return 0;
+
data.inode = inode;
data.wpa = NULL;
data.ff = NULL;
@@ -2331,17 +2348,17 @@ unlock:
return copied;
}
-static int fuse_launder_page(struct page *page)
+static int fuse_launder_folio(struct folio *folio)
{
int err = 0;
- if (clear_page_dirty_for_io(page)) {
- struct inode *inode = page->mapping->host;
+ if (folio_clear_dirty_for_io(folio)) {
+ struct inode *inode = folio->mapping->host;
/* Serialize with pending writeback for the same page */
- fuse_wait_on_page_writeback(inode, page->index);
- err = fuse_writepage_locked(page);
+ fuse_wait_on_page_writeback(inode, folio->index);
+ err = fuse_writepage_locked(&folio->page);
if (!err)
- fuse_wait_on_page_writeback(inode, page->index);
+ fuse_wait_on_page_writeback(inode, folio->index);
}
return err;
}
@@ -3162,8 +3179,8 @@ static const struct address_space_operations fuse_file_aops = {
.readahead = fuse_readahead,
.writepage = fuse_writepage,
.writepages = fuse_writepages,
- .launder_page = fuse_launder_page,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .launder_folio = fuse_launder_folio,
+ .dirty_folio = filemap_dirty_folio,
.bmap = fuse_bmap,
.direct_IO = fuse_direct_IO,
.write_begin = fuse_write_begin,
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9ee36aa73251..8c0665c5dff8 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -72,7 +72,7 @@ static struct inode *fuse_alloc_inode(struct super_block *sb)
{
struct fuse_inode *fi;
- fi = kmem_cache_alloc(fuse_inode_cachep, GFP_KERNEL);
+ fi = alloc_inode_sb(sb, fuse_inode_cachep, GFP_KERNEL);
if (!fi)
return NULL;
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 9d737904d07c..86b7dbb6a0d4 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -8,6 +8,7 @@
#include <linux/dax.h>
#include <linux/pci.h>
#include <linux/pfn_t.h>
+#include <linux/memremap.h>
#include <linux/module.h>
#include <linux/virtio.h>
#include <linux/virtio_fs.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-18 22:35:30 +0000