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Diffstat (limited to 'fs/affs/file.c')
-rw-r--r--fs/affs/file.c51
1 files changed, 27 insertions, 24 deletions
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 04c018e19602..765c3443663e 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -415,14 +415,14 @@ affs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
return ret;
}
-static int affs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len,
- struct page **pagep, void **fsdata)
+static int affs_write_begin(const struct kiocb *iocb,
+ struct address_space *mapping,
+ loff_t pos, unsigned len,
+ struct folio **foliop, void **fsdata)
{
int ret;
- *pagep = NULL;
- ret = cont_write_begin(file, mapping, pos, len, pagep, fsdata,
+ ret = cont_write_begin(iocb, mapping, pos, len, foliop, fsdata,
affs_get_block,
&AFFS_I(mapping->host)->mmu_private);
if (unlikely(ret))
@@ -431,14 +431,15 @@ static int affs_write_begin(struct file *file, struct address_space *mapping,
return ret;
}
-static int affs_write_end(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned int len, unsigned int copied,
- struct page *page, void *fsdata)
+static int affs_write_end(const struct kiocb *iocb,
+ struct address_space *mapping, loff_t pos,
+ unsigned int len, unsigned int copied,
+ struct folio *folio, void *fsdata)
{
struct inode *inode = mapping->host;
int ret;
- ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
+ ret = generic_write_end(iocb, mapping, pos, len, copied, folio, fsdata);
/* Clear Archived bit on file writes, as AmigaOS would do */
if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) {
@@ -597,7 +598,7 @@ affs_extent_file_ofs(struct inode *inode, u32 newsize)
BUG_ON(tmp > bsize);
AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA);
AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino);
- AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx);
+ AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx + 1);
AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp);
affs_fix_checksum(sb, bh);
bh->b_state &= ~(1UL << BH_New);
@@ -646,9 +647,10 @@ static int affs_read_folio_ofs(struct file *file, struct folio *folio)
return err;
}
-static int affs_write_begin_ofs(struct file *file, struct address_space *mapping,
+static int affs_write_begin_ofs(const struct kiocb *iocb,
+ struct address_space *mapping,
loff_t pos, unsigned len,
- struct page **pagep, void **fsdata)
+ struct folio **foliop, void **fsdata)
{
struct inode *inode = mapping->host;
struct folio *folio;
@@ -671,7 +673,7 @@ static int affs_write_begin_ofs(struct file *file, struct address_space *mapping
mapping_gfp_mask(mapping));
if (IS_ERR(folio))
return PTR_ERR(folio);
- *pagep = &folio->page;
+ *foliop = folio;
if (folio_test_uptodate(folio))
return 0;
@@ -685,11 +687,11 @@ static int affs_write_begin_ofs(struct file *file, struct address_space *mapping
return err;
}
-static int affs_write_end_ofs(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *page, void *fsdata)
+static int affs_write_end_ofs(const struct kiocb *iocb,
+ struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct folio *folio, void *fsdata)
{
- struct folio *folio = page_folio(page);
struct inode *inode = mapping->host;
struct super_block *sb = inode->i_sb;
struct buffer_head *bh, *prev_bh;
@@ -726,7 +728,8 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping,
tmp = min(bsize - boff, to - from);
BUG_ON(boff + tmp > bsize || tmp > bsize);
memcpy(AFFS_DATA(bh) + boff, data + from, tmp);
- be32_add_cpu(&AFFS_DATA_HEAD(bh)->size, tmp);
+ AFFS_DATA_HEAD(bh)->size = cpu_to_be32(
+ max(boff + tmp, be32_to_cpu(AFFS_DATA_HEAD(bh)->size)));
affs_fix_checksum(sb, bh);
mark_buffer_dirty_inode(bh, inode);
written += tmp;
@@ -748,7 +751,7 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping,
if (buffer_new(bh)) {
AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA);
AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino);
- AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx);
+ AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx + 1);
AFFS_DATA_HEAD(bh)->size = cpu_to_be32(bsize);
AFFS_DATA_HEAD(bh)->next = 0;
bh->b_state &= ~(1UL << BH_New);
@@ -782,7 +785,7 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping,
if (buffer_new(bh)) {
AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA);
AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino);
- AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx);
+ AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx + 1);
AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp);
AFFS_DATA_HEAD(bh)->next = 0;
bh->b_state &= ~(1UL << BH_New);
@@ -882,14 +885,14 @@ affs_truncate(struct inode *inode)
if (inode->i_size > AFFS_I(inode)->mmu_private) {
struct address_space *mapping = inode->i_mapping;
- struct page *page;
+ struct folio *folio;
void *fsdata = NULL;
loff_t isize = inode->i_size;
int res;
- res = mapping->a_ops->write_begin(NULL, mapping, isize, 0, &page, &fsdata);
+ res = mapping->a_ops->write_begin(NULL, mapping, isize, 0, &folio, &fsdata);
if (!res)
- res = mapping->a_ops->write_end(NULL, mapping, isize, 0, 0, page, fsdata);
+ res = mapping->a_ops->write_end(NULL, mapping, isize, 0, 0, folio, fsdata);
else
inode->i_size = AFFS_I(inode)->mmu_private;
mark_inode_dirty(inode);
@@ -1000,7 +1003,7 @@ const struct file_operations affs_file_operations = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
+ .mmap_prepare = generic_file_mmap_prepare,
.open = affs_file_open,
.release = affs_file_release,
.fsync = affs_file_fsync,
generated by cgit (git 2.34.1) at 2025-12-24 21:58:44 +0000