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-rw-r--r--fs/f2fs/data.c8
-rw-r--r--fs/f2fs/f2fs.h4
-rw-r--r--fs/f2fs/file.c49
-rw-r--r--fs/f2fs/node.c1
4 files changed, 51 insertions, 11 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 31e892842625..711ad80b38d0 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3519,8 +3519,10 @@ reserve_block:
return 0;
}
-static int f2fs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, struct folio **foliop, void **fsdata)
+static int f2fs_write_begin(const struct kiocb *iocb,
+ struct address_space *mapping,
+ loff_t pos, unsigned len, struct folio **foliop,
+ void **fsdata)
{
struct inode *inode = mapping->host;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -3656,7 +3658,7 @@ fail:
return err;
}
-static int f2fs_write_end(struct file *file,
+static int f2fs_write_end(const struct kiocb *iocb,
struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct folio *folio, void *fsdata)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9333a22b9a01..c78464792ceb 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3615,9 +3615,9 @@ void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
int f2fs_do_shutdown(struct f2fs_sb_info *sbi, unsigned int flag,
bool readonly, bool need_lock);
int f2fs_precache_extents(struct inode *inode);
-int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int f2fs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);
int f2fs_fileattr_set(struct mnt_idmap *idmap,
- struct dentry *dentry, struct fileattr *fa);
+ struct dentry *dentry, struct file_kattr *fa);
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6bd3de64f2a8..c677230699fd 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -35,6 +35,17 @@
#include <trace/events/f2fs.h>
#include <uapi/linux/f2fs.h>
+static void f2fs_zero_post_eof_page(struct inode *inode, loff_t new_size)
+{
+ loff_t old_size = i_size_read(inode);
+
+ if (old_size >= new_size)
+ return;
+
+ /* zero or drop pages only in range of [old_size, new_size] */
+ truncate_pagecache(inode, old_size);
+}
+
static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
@@ -103,8 +114,13 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
+ filemap_invalidate_lock(inode->i_mapping);
+ f2fs_zero_post_eof_page(inode, (folio->index + 1) << PAGE_SHIFT);
+ filemap_invalidate_unlock(inode->i_mapping);
+
file_update_time(vmf->vma->vm_file);
filemap_invalidate_lock_shared(inode->i_mapping);
+
folio_lock(folio);
if (unlikely(folio->mapping != inode->i_mapping ||
folio_pos(folio) > i_size_read(inode) ||
@@ -532,8 +548,9 @@ static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
return -EINVAL;
}
-static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
+static int f2fs_file_mmap_prepare(struct vm_area_desc *desc)
{
+ struct file *file = desc->file;
struct inode *inode = file_inode(file);
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
@@ -543,7 +560,7 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
return -EOPNOTSUPP;
file_accessed(file);
- vma->vm_ops = &f2fs_file_vm_ops;
+ desc->vm_ops = &f2fs_file_vm_ops;
f2fs_down_read(&F2FS_I(inode)->i_sem);
set_inode_flag(inode, FI_MMAP_FILE);
@@ -1109,6 +1126,8 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
f2fs_down_write(&fi->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(inode->i_mapping);
+ if (attr->ia_size > old_size)
+ f2fs_zero_post_eof_page(inode, attr->ia_size);
truncate_setsize(inode, attr->ia_size);
if (attr->ia_size <= old_size)
@@ -1227,6 +1246,10 @@ static int f2fs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
if (ret)
return ret;
+ filemap_invalidate_lock(inode->i_mapping);
+ f2fs_zero_post_eof_page(inode, offset + len);
+ filemap_invalidate_unlock(inode->i_mapping);
+
pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
@@ -1510,6 +1533,8 @@ static int f2fs_do_collapse(struct inode *inode, loff_t offset, loff_t len)
f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(inode->i_mapping);
+ f2fs_zero_post_eof_page(inode, offset + len);
+
f2fs_lock_op(sbi);
f2fs_drop_extent_tree(inode);
truncate_pagecache(inode, offset);
@@ -1631,6 +1656,10 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
if (ret)
return ret;
+ filemap_invalidate_lock(mapping);
+ f2fs_zero_post_eof_page(inode, offset + len);
+ filemap_invalidate_unlock(mapping);
+
pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
@@ -1762,6 +1791,8 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
/* avoid gc operation during block exchange */
f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(mapping);
+
+ f2fs_zero_post_eof_page(inode, offset + len);
truncate_pagecache(inode, offset);
while (!ret && idx > pg_start) {
@@ -1819,6 +1850,10 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
if (err)
return err;
+ filemap_invalidate_lock(inode->i_mapping);
+ f2fs_zero_post_eof_page(inode, offset + len);
+ filemap_invalidate_unlock(inode->i_mapping);
+
f2fs_balance_fs(sbi, true);
pg_start = ((unsigned long long)offset) >> PAGE_SHIFT;
@@ -3356,7 +3391,7 @@ static int f2fs_ioc_setproject(struct inode *inode, __u32 projid)
}
#endif
-int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
+int f2fs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
{
struct inode *inode = d_inode(dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
@@ -3380,7 +3415,7 @@ int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
}
int f2fs_fileattr_set(struct mnt_idmap *idmap,
- struct dentry *dentry, struct fileattr *fa)
+ struct dentry *dentry, struct file_kattr *fa)
{
struct inode *inode = d_inode(dentry);
u32 fsflags = fa->flags, mask = F2FS_SETTABLE_FS_FL;
@@ -4860,6 +4895,10 @@ static ssize_t f2fs_write_checks(struct kiocb *iocb, struct iov_iter *from)
err = file_modified(file);
if (err)
return err;
+
+ filemap_invalidate_lock(inode->i_mapping);
+ f2fs_zero_post_eof_page(inode, iocb->ki_pos + iov_iter_count(from));
+ filemap_invalidate_unlock(inode->i_mapping);
return count;
}
@@ -5376,7 +5415,7 @@ const struct file_operations f2fs_file_operations = {
.iopoll = iocb_bio_iopoll,
.open = f2fs_file_open,
.release = f2fs_release_file,
- .mmap = f2fs_file_mmap,
+ .mmap_prepare = f2fs_file_mmap_prepare,
.flush = f2fs_file_flush,
.fsync = f2fs_sync_file,
.fallocate = f2fs_fallocate,
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1cb4cba7f961..bfe104db284e 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2078,7 +2078,6 @@ write_node:
if (!__write_node_folio(folio, false, &submitted,
wbc, do_balance, io_type, NULL)) {
- folio_unlock(folio);
folio_batch_release(&fbatch);
ret = -EIO;
goto out;
generated by cgit (git 2.34.1) at 2025-07-29 03:41:16 +0000