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Diffstat (limited to 'fs/fuse/file.c')
-rw-r--r--fs/fuse/file.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d66789804287..cb7dff5c45d7 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -645,7 +645,7 @@ static size_t fuse_async_req_send(struct fuse_conn *fc, struct fuse_req *req,
static size_t fuse_send_read(struct fuse_req *req, struct fuse_io_priv *io,
loff_t pos, size_t count, fl_owner_t owner)
{
- struct file *file = io->file;
+ struct file *file = io->iocb->ki_filp;
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
@@ -707,7 +707,8 @@ static void fuse_short_read(struct fuse_req *req, struct inode *inode,
static int fuse_do_readpage(struct file *file, struct page *page)
{
- struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
+ struct kiocb iocb;
+ struct fuse_io_priv io;
struct inode *inode = page->mapping->host;
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
@@ -735,6 +736,8 @@ static int fuse_do_readpage(struct file *file, struct page *page)
req->num_pages = 1;
req->pages[0] = page;
req->page_descs[0].length = count;
+ init_sync_kiocb(&iocb, file);
+ io = (struct fuse_io_priv) FUSE_IO_PRIV_SYNC(&iocb);
num_read = fuse_send_read(req, &io, pos, count, NULL);
err = req->out.h.error;
@@ -923,7 +926,7 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
if (fc->auto_inval_data ||
(iocb->ki_pos + iov_iter_count(to) > i_size_read(inode))) {
int err;
- err = fuse_update_attributes(inode, NULL, iocb->ki_filp, NULL);
+ err = fuse_update_attributes(inode, iocb->ki_filp);
if (err)
return err;
}
@@ -957,13 +960,18 @@ static void fuse_write_fill(struct fuse_req *req, struct fuse_file *ff,
static size_t fuse_send_write(struct fuse_req *req, struct fuse_io_priv *io,
loff_t pos, size_t count, fl_owner_t owner)
{
- struct file *file = io->file;
+ struct kiocb *iocb = io->iocb;
+ struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
struct fuse_write_in *inarg = &req->misc.write.in;
fuse_write_fill(req, ff, pos, count);
inarg->flags = file->f_flags;
+ if (iocb->ki_flags & IOCB_DSYNC)
+ inarg->flags |= O_DSYNC;
+ if (iocb->ki_flags & IOCB_SYNC)
+ inarg->flags |= O_SYNC;
if (owner != NULL) {
inarg->write_flags |= FUSE_WRITE_LOCKOWNER;
inarg->lock_owner = fuse_lock_owner_id(fc, owner);
@@ -993,14 +1001,14 @@ bool fuse_write_update_size(struct inode *inode, loff_t pos)
return ret;
}
-static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file,
+static size_t fuse_send_write_pages(struct fuse_req *req, struct kiocb *iocb,
struct inode *inode, loff_t pos,
size_t count)
{
size_t res;
unsigned offset;
unsigned i;
- struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb);
for (i = 0; i < req->num_pages; i++)
fuse_wait_on_page_writeback(inode, req->pages[i]->index);
@@ -1100,7 +1108,7 @@ static inline unsigned fuse_wr_pages(loff_t pos, size_t len)
FUSE_MAX_PAGES_PER_REQ);
}
-static ssize_t fuse_perform_write(struct file *file,
+static ssize_t fuse_perform_write(struct kiocb *iocb,
struct address_space *mapping,
struct iov_iter *ii, loff_t pos)
{
@@ -1133,7 +1141,7 @@ static ssize_t fuse_perform_write(struct file *file,
} else {
size_t num_written;
- num_written = fuse_send_write_pages(req, file, inode,
+ num_written = fuse_send_write_pages(req, iocb, inode,
pos, count);
err = req->out.h.error;
if (!err) {
@@ -1169,7 +1177,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (get_fuse_conn(inode)->writeback_cache) {
/* Update size (EOF optimization) and mode (SUID clearing) */
- err = fuse_update_attributes(mapping->host, NULL, file, NULL);
+ err = fuse_update_attributes(mapping->host, file);
if (err)
return err;
@@ -1201,7 +1209,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
pos += written;
- written_buffered = fuse_perform_write(file, mapping, from, pos);
+ written_buffered = fuse_perform_write(iocb, mapping, from, pos);
if (written_buffered < 0) {
err = written_buffered;
goto out;
@@ -1220,13 +1228,15 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
written += written_buffered;
iocb->ki_pos = pos + written_buffered;
} else {
- written = fuse_perform_write(file, mapping, from, iocb->ki_pos);
+ written = fuse_perform_write(iocb, mapping, from, iocb->ki_pos);
if (written >= 0)
iocb->ki_pos += written;
}
out:
current->backing_dev_info = NULL;
inode_unlock(inode);
+ if (written > 0)
+ written = generic_write_sync(iocb, written);
return written ? written : err;
}
@@ -1317,7 +1327,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter,
{
int write = flags & FUSE_DIO_WRITE;
int cuse = flags & FUSE_DIO_CUSE;
- struct file *file = io->file;
+ struct file *file = io->iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
@@ -1399,8 +1409,7 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io,
loff_t *ppos)
{
ssize_t res;
- struct file *file = io->file;
- struct inode *inode = file_inode(file);
+ struct inode *inode = file_inode(io->iocb->ki_filp);
if (is_bad_inode(inode))
return -EIO;
@@ -1414,15 +1423,14 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io,
static ssize_t fuse_direct_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
- struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb->ki_filp);
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb);
return __fuse_direct_read(&io, to, &iocb->ki_pos);
}
static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file_inode(file);
- struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
+ struct inode *inode = file_inode(iocb->ki_filp);
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb);
ssize_t res;
if (is_bad_inode(inode))
@@ -2181,9 +2189,6 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
if ((fl->fl_flags & FL_CLOSE_POSIX) == FL_CLOSE_POSIX)
return 0;
- if (pid && pid_nr == 0)
- return -EOVERFLOW;
-
fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg);
err = fuse_simple_request(fc, &args);
@@ -2303,7 +2308,7 @@ static loff_t fuse_lseek(struct file *file, loff_t offset, int whence)
return vfs_setpos(file, outarg.offset, inode->i_sb->s_maxbytes);
fallback:
- err = fuse_update_attributes(inode, NULL, file, NULL);
+ err = fuse_update_attributes(inode, file);
if (!err)
return generic_file_llseek(file, offset, whence);
else
@@ -2323,7 +2328,7 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int whence)
break;
case SEEK_END:
inode_lock(inode);
- retval = fuse_update_attributes(inode, NULL, file, NULL);
+ retval = fuse_update_attributes(inode, file);
if (!retval)
retval = generic_file_llseek(file, offset, whence);
inode_unlock(inode);
@@ -2874,7 +2879,6 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
io->offset = offset;
io->write = (iov_iter_rw(iter) == WRITE);
io->err = 0;
- io->file = file;
/*
* By default, we want to optimize all I/Os with async request
* submission to the client filesystem if supported.
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-29 20:43:06 +0300