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-rw-r--r--fs/9p/cache.c195
-rw-r--r--fs/9p/cache.h25
-rw-r--r--fs/9p/v9fs.c17
-rw-r--r--fs/9p/v9fs.h13
-rw-r--r--fs/9p/vfs_addr.c57
-rw-r--r--fs/9p/vfs_dir.c13
-rw-r--r--fs/9p/vfs_file.c3
-rw-r--r--fs/9p/vfs_inode.c26
-rw-r--r--fs/9p/vfs_inode_dotl.c3
-rw-r--r--fs/9p/vfs_super.c3
10 files changed, 145 insertions, 210 deletions
diff --git a/fs/9p/cache.c b/fs/9p/cache.c
index f2ba131cede1..55e108e5e133 100644
--- a/fs/9p/cache.c
+++ b/fs/9p/cache.c
@@ -16,186 +16,61 @@
#include "v9fs.h"
#include "cache.h"
-#define CACHETAG_LEN 11
-
-struct fscache_netfs v9fs_cache_netfs = {
- .name = "9p",
- .version = 0,
-};
-
-/*
- * v9fs_random_cachetag - Generate a random tag to be associated
- * with a new cache session.
- *
- * The value of jiffies is used for a fairly randomly cache tag.
- */
-
-static
-int v9fs_random_cachetag(struct v9fs_session_info *v9ses)
+int v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses,
+ const char *dev_name)
{
- v9ses->cachetag = kmalloc(CACHETAG_LEN, GFP_KERNEL);
- if (!v9ses->cachetag)
- return -ENOMEM;
+ struct fscache_volume *vcookie;
+ char *name, *p;
- return scnprintf(v9ses->cachetag, CACHETAG_LEN, "%lu", jiffies);
-}
-
-const struct fscache_cookie_def v9fs_cache_session_index_def = {
- .name = "9P.session",
- .type = FSCACHE_COOKIE_TYPE_INDEX,
-};
+ name = kasprintf(GFP_KERNEL, "9p,%s,%s",
+ dev_name, v9ses->cachetag ?: v9ses->aname);
+ if (!name)
+ return -ENOMEM;
-void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses)
-{
- /* If no cache session tag was specified, we generate a random one. */
- if (!v9ses->cachetag) {
- if (v9fs_random_cachetag(v9ses) < 0) {
- v9ses->fscache = NULL;
- kfree(v9ses->cachetag);
- v9ses->cachetag = NULL;
- return;
+ for (p = name; *p; p++)
+ if (*p == '/')
+ *p = ';';
+
+ vcookie = fscache_acquire_volume(name, NULL, NULL, 0);
+ p9_debug(P9_DEBUG_FSC, "session %p get volume %p (%s)\n",
+ v9ses, vcookie, name);
+ if (IS_ERR(vcookie)) {
+ if (vcookie != ERR_PTR(-EBUSY)) {
+ kfree(name);
+ return PTR_ERR(vcookie);
}
+ pr_err("Cache volume key already in use (%s)\n", name);
+ vcookie = NULL;
}
-
- v9ses->fscache = fscache_acquire_cookie(v9fs_cache_netfs.primary_index,
- &v9fs_cache_session_index_def,
- v9ses->cachetag,
- strlen(v9ses->cachetag),
- NULL, 0,
- v9ses, 0, true);
- p9_debug(P9_DEBUG_FSC, "session %p get cookie %p\n",
- v9ses, v9ses->fscache);
-}
-
-void v9fs_cache_session_put_cookie(struct v9fs_session_info *v9ses)
-{
- p9_debug(P9_DEBUG_FSC, "session %p put cookie %p\n",
- v9ses, v9ses->fscache);
- fscache_relinquish_cookie(v9ses->fscache, NULL, false);
- v9ses->fscache = NULL;
-}
-
-static enum
-fscache_checkaux v9fs_cache_inode_check_aux(void *cookie_netfs_data,
- const void *buffer,
- uint16_t buflen,
- loff_t object_size)
-{
- const struct v9fs_inode *v9inode = cookie_netfs_data;
-
- if (buflen != sizeof(v9inode->qid.version))
- return FSCACHE_CHECKAUX_OBSOLETE;
-
- if (memcmp(buffer, &v9inode->qid.version,
- sizeof(v9inode->qid.version)))
- return FSCACHE_CHECKAUX_OBSOLETE;
-
- return FSCACHE_CHECKAUX_OKAY;
+ v9ses->fscache = vcookie;
+ kfree(name);
+ return 0;
}
-const struct fscache_cookie_def v9fs_cache_inode_index_def = {
- .name = "9p.inode",
- .type = FSCACHE_COOKIE_TYPE_DATAFILE,
- .check_aux = v9fs_cache_inode_check_aux,
-};
-
void v9fs_cache_inode_get_cookie(struct inode *inode)
{
struct v9fs_inode *v9inode;
struct v9fs_session_info *v9ses;
+ __le32 version;
+ __le64 path;
if (!S_ISREG(inode->i_mode))
return;
v9inode = V9FS_I(inode);
- if (v9inode->fscache)
+ if (WARN_ON(v9inode->fscache))
return;
+ version = cpu_to_le32(v9inode->qid.version);
+ path = cpu_to_le64(v9inode->qid.path);
v9ses = v9fs_inode2v9ses(inode);
- v9inode->fscache = fscache_acquire_cookie(v9ses->fscache,
- &v9fs_cache_inode_index_def,
- &v9inode->qid.path,
- sizeof(v9inode->qid.path),
- &v9inode->qid.version,
- sizeof(v9inode->qid.version),
- v9inode,
- i_size_read(&v9inode->vfs_inode),
- true);
+ v9inode->fscache =
+ fscache_acquire_cookie(v9fs_session_cache(v9ses),
+ 0,
+ &path, sizeof(path),
+ &version, sizeof(version),
+ i_size_read(&v9inode->vfs_inode));
p9_debug(P9_DEBUG_FSC, "inode %p get cookie %p\n",
inode, v9inode->fscache);
}
-
-void v9fs_cache_inode_put_cookie(struct inode *inode)
-{
- struct v9fs_inode *v9inode = V9FS_I(inode);
-
- if (!v9inode->fscache)
- return;
- p9_debug(P9_DEBUG_FSC, "inode %p put cookie %p\n",
- inode, v9inode->fscache);
-
- fscache_relinquish_cookie(v9inode->fscache, &v9inode->qid.version,
- false);
- v9inode->fscache = NULL;
-}
-
-void v9fs_cache_inode_flush_cookie(struct inode *inode)
-{
- struct v9fs_inode *v9inode = V9FS_I(inode);
-
- if (!v9inode->fscache)
- return;
- p9_debug(P9_DEBUG_FSC, "inode %p flush cookie %p\n",
- inode, v9inode->fscache);
-
- fscache_relinquish_cookie(v9inode->fscache, NULL, true);
- v9inode->fscache = NULL;
-}
-
-void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *filp)
-{
- struct v9fs_inode *v9inode = V9FS_I(inode);
-
- if (!v9inode->fscache)
- return;
-
- mutex_lock(&v9inode->fscache_lock);
-
- if ((filp->f_flags & O_ACCMODE) != O_RDONLY)
- v9fs_cache_inode_flush_cookie(inode);
- else
- v9fs_cache_inode_get_cookie(inode);
-
- mutex_unlock(&v9inode->fscache_lock);
-}
-
-void v9fs_cache_inode_reset_cookie(struct inode *inode)
-{
- struct v9fs_inode *v9inode = V9FS_I(inode);
- struct v9fs_session_info *v9ses;
- struct fscache_cookie *old;
-
- if (!v9inode->fscache)
- return;
-
- old = v9inode->fscache;
-
- mutex_lock(&v9inode->fscache_lock);
- fscache_relinquish_cookie(v9inode->fscache, NULL, true);
-
- v9ses = v9fs_inode2v9ses(inode);
- v9inode->fscache = fscache_acquire_cookie(v9ses->fscache,
- &v9fs_cache_inode_index_def,
- &v9inode->qid.path,
- sizeof(v9inode->qid.path),
- &v9inode->qid.version,
- sizeof(v9inode->qid.version),
- v9inode,
- i_size_read(&v9inode->vfs_inode),
- true);
- p9_debug(P9_DEBUG_FSC, "inode %p revalidating cookie old %p new %p\n",
- inode, old, v9inode->fscache);
-
- mutex_unlock(&v9inode->fscache_lock);
-}
diff --git a/fs/9p/cache.h b/fs/9p/cache.h
index 7480b4b49fea..1923affcdc62 100644
--- a/fs/9p/cache.h
+++ b/fs/9p/cache.h
@@ -7,26 +7,15 @@
#ifndef _9P_CACHE_H
#define _9P_CACHE_H
-#define FSCACHE_USE_NEW_IO_API
+
#include <linux/fscache.h>
#ifdef CONFIG_9P_FSCACHE
-extern struct fscache_netfs v9fs_cache_netfs;
-extern const struct fscache_cookie_def v9fs_cache_session_index_def;
-extern const struct fscache_cookie_def v9fs_cache_inode_index_def;
-
-extern void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses);
-extern void v9fs_cache_session_put_cookie(struct v9fs_session_info *v9ses);
+extern int v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses,
+ const char *dev_name);
extern void v9fs_cache_inode_get_cookie(struct inode *inode);
-extern void v9fs_cache_inode_put_cookie(struct inode *inode);
-extern void v9fs_cache_inode_flush_cookie(struct inode *inode);
-extern void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *filp);
-extern void v9fs_cache_inode_reset_cookie(struct inode *inode);
-
-extern int __v9fs_cache_register(void);
-extern void __v9fs_cache_unregister(void);
#else /* CONFIG_9P_FSCACHE */
@@ -34,13 +23,5 @@ static inline void v9fs_cache_inode_get_cookie(struct inode *inode)
{
}
-static inline void v9fs_cache_inode_put_cookie(struct inode *inode)
-{
-}
-
-static inline void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *file)
-{
-}
-
#endif /* CONFIG_9P_FSCACHE */
#endif /* _9P_CACHE_H */
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index e32dd5f7721b..08f65c40af4f 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -469,7 +469,11 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
#ifdef CONFIG_9P_FSCACHE
/* register the session for caching */
- v9fs_cache_session_get_cookie(v9ses);
+ if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+ rc = v9fs_cache_session_get_cookie(v9ses, dev_name);
+ if (rc < 0)
+ goto err_clnt;
+ }
#endif
spin_lock(&v9fs_sessionlist_lock);
list_add(&v9ses->slist, &v9fs_sessionlist);
@@ -502,8 +506,7 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
}
#ifdef CONFIG_9P_FSCACHE
- if (v9ses->fscache)
- v9fs_cache_session_put_cookie(v9ses);
+ fscache_relinquish_volume(v9fs_session_cache(v9ses), NULL, false);
kfree(v9ses->cachetag);
#endif
kfree(v9ses->uname);
@@ -665,20 +668,12 @@ static int v9fs_cache_register(void)
ret = v9fs_init_inode_cache();
if (ret < 0)
return ret;
-#ifdef CONFIG_9P_FSCACHE
- ret = fscache_register_netfs(&v9fs_cache_netfs);
- if (ret < 0)
- v9fs_destroy_inode_cache();
-#endif
return ret;
}
static void v9fs_cache_unregister(void)
{
v9fs_destroy_inode_cache();
-#ifdef CONFIG_9P_FSCACHE
- fscache_unregister_netfs(&v9fs_cache_netfs);
-#endif
}
/**
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 1647a8e63671..bc8b30205d36 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -89,7 +89,7 @@ struct v9fs_session_info {
unsigned int cache;
#ifdef CONFIG_9P_FSCACHE
char *cachetag;
- struct fscache_cookie *fscache;
+ struct fscache_volume *fscache;
#endif
char *uname; /* user name to mount as */
@@ -109,7 +109,6 @@ struct v9fs_session_info {
struct v9fs_inode {
#ifdef CONFIG_9P_FSCACHE
- struct mutex fscache_lock;
struct fscache_cookie *fscache;
#endif
struct p9_qid qid;
@@ -133,6 +132,16 @@ static inline struct fscache_cookie *v9fs_inode_cookie(struct v9fs_inode *v9inod
#endif
}
+static inline struct fscache_volume *v9fs_session_cache(struct v9fs_session_info *v9ses)
+{
+#ifdef CONFIG_9P_FSCACHE
+ return v9ses->fscache;
+#else
+ return NULL;
+#endif
+}
+
+
extern int v9fs_show_options(struct seq_file *m, struct dentry *root);
struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index fac918ccb305..c72e9f8f5f32 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -16,6 +16,7 @@
#include <linux/pagemap.h>
#include <linux/idr.h>
#include <linux/sched.h>
+#include <linux/swap.h>
#include <linux/uio.h>
#include <linux/netfs.h>
#include <net/9p/9p.h>
@@ -78,7 +79,7 @@ static bool v9fs_is_cache_enabled(struct inode *inode)
{
struct fscache_cookie *cookie = v9fs_inode_cookie(V9FS_I(inode));
- return fscache_cookie_enabled(cookie) && !hlist_empty(&cookie->backing_objects);
+ return fscache_cookie_enabled(cookie) && cookie->cache_priv;
}
/**
@@ -87,9 +88,13 @@ static bool v9fs_is_cache_enabled(struct inode *inode)
*/
static int v9fs_begin_cache_operation(struct netfs_read_request *rreq)
{
+#ifdef CONFIG_9P_FSCACHE
struct fscache_cookie *cookie = v9fs_inode_cookie(V9FS_I(rreq->inode));
- return fscache_begin_read_operation(rreq, cookie);
+ return fscache_begin_read_operation(&rreq->cache_resources, cookie);
+#else
+ return -ENOBUFS;
+#endif
}
static const struct netfs_read_request_ops v9fs_req_ops = {
@@ -133,16 +138,18 @@ static void v9fs_vfs_readahead(struct readahead_control *ractl)
static int v9fs_release_page(struct page *page, gfp_t gfp)
{
struct folio *folio = page_folio(page);
+ struct inode *inode = folio_inode(folio);
if (folio_test_private(folio))
return 0;
#ifdef CONFIG_9P_FSCACHE
if (folio_test_fscache(folio)) {
- if (!(gfp & __GFP_DIRECT_RECLAIM) || !(gfp & __GFP_FS))
+ if (current_is_kswapd() || !(gfp & __GFP_FS))
return 0;
folio_wait_fscache(folio);
}
#endif
+ fscache_note_page_release(v9fs_inode_cookie(V9FS_I(inode)));
return 1;
}
@@ -161,10 +168,25 @@ static void v9fs_invalidate_page(struct page *page, unsigned int offset,
folio_wait_fscache(folio);
}
+static void v9fs_write_to_cache_done(void *priv, ssize_t transferred_or_error,
+ bool was_async)
+{
+ struct v9fs_inode *v9inode = priv;
+ __le32 version;
+
+ if (IS_ERR_VALUE(transferred_or_error) &&
+ transferred_or_error != -ENOBUFS) {
+ version = cpu_to_le32(v9inode->qid.version);
+ fscache_invalidate(v9fs_inode_cookie(v9inode), &version,
+ i_size_read(&v9inode->vfs_inode), 0);
+ }
+}
+
static int v9fs_vfs_write_folio_locked(struct folio *folio)
{
struct inode *inode = folio_inode(folio);
struct v9fs_inode *v9inode = V9FS_I(inode);
+ struct fscache_cookie *cookie = v9fs_inode_cookie(v9inode);
loff_t start = folio_pos(folio);
loff_t i_size = i_size_read(inode);
struct iov_iter from;
@@ -181,10 +203,21 @@ static int v9fs_vfs_write_folio_locked(struct folio *folio)
/* We should have writeback_fid always set */
BUG_ON(!v9inode->writeback_fid);
+ folio_wait_fscache(folio);
folio_start_writeback(folio);
p9_client_write(v9inode->writeback_fid, start, &from, &err);
+ if (err == 0 &&
+ fscache_cookie_enabled(cookie) &&
+ test_bit(FSCACHE_COOKIE_IS_CACHING, &cookie->flags)) {
+ folio_start_fscache(folio);
+ fscache_write_to_cache(v9fs_inode_cookie(v9inode),
+ folio_mapping(folio), start, len, i_size,
+ v9fs_write_to_cache_done, v9inode,
+ true);
+ }
+
folio_end_writeback(folio);
return err;
}
@@ -303,6 +336,7 @@ static int v9fs_write_end(struct file *filp, struct address_space *mapping,
loff_t last_pos = pos + copied;
struct folio *folio = page_folio(subpage);
struct inode *inode = mapping->host;
+ struct v9fs_inode *v9inode = V9FS_I(inode);
p9_debug(P9_DEBUG_VFS, "filp %p, mapping %p\n", filp, mapping);
@@ -322,6 +356,7 @@ static int v9fs_write_end(struct file *filp, struct address_space *mapping,
if (last_pos > inode->i_size) {
inode_add_bytes(inode, last_pos - inode->i_size);
i_size_write(inode, last_pos);
+ fscache_update_cookie(v9fs_inode_cookie(v9inode), NULL, &last_pos);
}
folio_mark_dirty(folio);
out:
@@ -331,11 +366,25 @@ out:
return copied;
}
+#ifdef CONFIG_9P_FSCACHE
+/*
+ * Mark a page as having been made dirty and thus needing writeback. We also
+ * need to pin the cache object to write back to.
+ */
+static int v9fs_set_page_dirty(struct page *page)
+{
+ struct v9fs_inode *v9inode = V9FS_I(page->mapping->host);
+
+ return fscache_set_page_dirty(page, v9fs_inode_cookie(v9inode));
+}
+#else
+#define v9fs_set_page_dirty __set_page_dirty_nobuffers
+#endif
const struct address_space_operations v9fs_addr_operations = {
.readpage = v9fs_vfs_readpage,
.readahead = v9fs_vfs_readahead,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .set_page_dirty = v9fs_set_page_dirty,
.writepage = v9fs_vfs_writepage,
.write_begin = v9fs_write_begin,
.write_end = v9fs_write_end,
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 8c854d8cb0cd..958680f7f23e 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -17,6 +17,7 @@
#include <linux/idr.h>
#include <linux/slab.h>
#include <linux/uio.h>
+#include <linux/fscache.h>
#include <net/9p/9p.h>
#include <net/9p/client.h>
@@ -205,7 +206,10 @@ static int v9fs_dir_readdir_dotl(struct file *file, struct dir_context *ctx)
int v9fs_dir_release(struct inode *inode, struct file *filp)
{
+ struct v9fs_inode *v9inode = V9FS_I(inode);
struct p9_fid *fid;
+ __le32 version;
+ loff_t i_size;
fid = filp->private_data;
p9_debug(P9_DEBUG_VFS, "inode: %p filp: %p fid: %d\n",
@@ -216,6 +220,15 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
spin_unlock(&inode->i_lock);
p9_client_clunk(fid);
}
+
+ if ((filp->f_mode & FMODE_WRITE)) {
+ version = cpu_to_le32(v9inode->qid.version);
+ i_size = i_size_read(inode);
+ fscache_unuse_cookie(v9fs_inode_cookie(v9inode),
+ &version, &i_size);
+ } else {
+ fscache_unuse_cookie(v9fs_inode_cookie(v9inode), NULL, NULL);
+ }
return 0;
}
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 612e297f3763..be72ad9edb3e 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -93,7 +93,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
}
mutex_unlock(&v9inode->v_mutex);
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- v9fs_cache_inode_set_cookie(inode, file);
+ fscache_use_cookie(v9fs_inode_cookie(v9inode),
+ file->f_mode & FMODE_WRITE);
v9fs_open_fid_add(inode, fid);
return 0;
out_error:
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 328c338ff304..2a10242c79c7 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -233,7 +233,6 @@ struct inode *v9fs_alloc_inode(struct super_block *sb)
return NULL;
#ifdef CONFIG_9P_FSCACHE
v9inode->fscache = NULL;
- mutex_init(&v9inode->fscache_lock);
#endif
v9inode->writeback_fid = NULL;
v9inode->cache_validity = 0;
@@ -381,12 +380,16 @@ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev)
void v9fs_evict_inode(struct inode *inode)
{
struct v9fs_inode *v9inode = V9FS_I(inode);
+ __le32 version;
truncate_inode_pages_final(&inode->i_data);
+ version = cpu_to_le32(v9inode->qid.version);
+ fscache_clear_inode_writeback(v9fs_inode_cookie(v9inode), inode,
+ &version);
clear_inode(inode);
filemap_fdatawrite(&inode->i_data);
- v9fs_cache_inode_put_cookie(inode);
+ fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
/* clunk the fid stashed in writeback_fid */
if (v9inode->writeback_fid) {
p9_client_clunk(v9inode->writeback_fid);
@@ -869,7 +872,8 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry,
file->private_data = fid;
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- v9fs_cache_inode_set_cookie(d_inode(dentry), file);
+ fscache_use_cookie(v9fs_inode_cookie(v9inode),
+ file->f_mode & FMODE_WRITE);
v9fs_open_fid_add(inode, fid);
file->f_mode |= FMODE_CREATED;
@@ -1072,6 +1076,8 @@ static int v9fs_vfs_setattr(struct user_namespace *mnt_userns,
struct dentry *dentry, struct iattr *iattr)
{
int retval, use_dentry = 0;
+ struct inode *inode = d_inode(dentry);
+ struct v9fs_inode *v9inode = V9FS_I(inode);
struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL;
struct p9_wstat wstat;
@@ -1117,7 +1123,7 @@ static int v9fs_vfs_setattr(struct user_namespace *mnt_userns,
/* Write all dirty data */
if (d_is_reg(dentry))
- filemap_write_and_wait(d_inode(dentry)->i_mapping);
+ filemap_write_and_wait(inode->i_mapping);
retval = p9_client_wstat(fid, &wstat);
@@ -1128,13 +1134,15 @@ static int v9fs_vfs_setattr(struct user_namespace *mnt_userns,
return retval;
if ((iattr->ia_valid & ATTR_SIZE) &&
- iattr->ia_size != i_size_read(d_inode(dentry)))
- truncate_setsize(d_inode(dentry), iattr->ia_size);
+ iattr->ia_size != i_size_read(inode)) {
+ truncate_setsize(inode, iattr->ia_size);
+ fscache_resize_cookie(v9fs_inode_cookie(v9inode), iattr->ia_size);
+ }
- v9fs_invalidate_inode_attr(d_inode(dentry));
+ v9fs_invalidate_inode_attr(inode);
- setattr_copy(&init_user_ns, d_inode(dentry), iattr);
- mark_inode_dirty(d_inode(dentry));
+ setattr_copy(&init_user_ns, inode, iattr);
+ mark_inode_dirty(inode);
return 0;
}
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 7dee89ba32e7..cae301d09cd3 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -344,7 +344,8 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
goto err_clunk_old_fid;
file->private_data = ofid;
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- v9fs_cache_inode_set_cookie(inode, file);
+ fscache_use_cookie(v9fs_inode_cookie(v9inode),
+ file->f_mode & FMODE_WRITE);
v9fs_open_fid_add(inode, ofid);
file->f_mode |= FMODE_CREATED;
out:
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index b739e02f5ef7..97e23b4e6982 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -20,6 +20,7 @@
#include <linux/slab.h>
#include <linux/statfs.h>
#include <linux/magic.h>
+#include <linux/fscache.h>
#include <net/9p/9p.h>
#include <net/9p/client.h>
@@ -309,6 +310,7 @@ static int v9fs_write_inode(struct inode *inode,
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
return ret;
}
+ fscache_unpin_writeback(wbc, v9fs_inode_cookie(v9inode));
return 0;
}
@@ -332,6 +334,7 @@ static int v9fs_write_inode_dotl(struct inode *inode,
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
return ret;
}
+ fscache_unpin_writeback(wbc, v9fs_inode_cookie(v9inode));
return 0;
}