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fuse: break up fuse_open_common()

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fuse_open_common() has a lot of code relevant only for regular files and
O_TRUNC in particular.

Copy the little bit of remaining code into fuse_dir_open() and stop using
this common helper for directory open.

Also split out fuse_dir_finish_open() from fuse_finish_open() before we add
inode io modes to fuse_finish_open().

Suggested-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein 2024-02-02 13:30:30 +02:00 committed by Miklos Szeredi
parent e26ee4efbc
commit 7de64d521b
3 changed files with 26 additions and 13 deletions
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25
fs/fuse/dir.c
View File

@ -1630,7 +1630,30 @@ out_err:
static int fuse_dir_open(struct inode *inode, struct file *file)
{
return fuse_open_common(inode, file, true);
struct fuse_mount *fm = get_fuse_mount(inode);
int err;
if (fuse_is_bad(inode))
return -EIO;
err = generic_file_open(inode, file);
if (err)
return err;
err = fuse_do_open(fm, get_node_id(inode), file, true);
if (!err) {
struct fuse_file *ff = file->private_data;
/*
* Keep handling FOPEN_STREAM and FOPEN_NONSEEKABLE for
* directories for backward compatibility, though it's unlikely
* to be useful.
*/
if (ff->open_flags & (FOPEN_STREAM | FOPEN_NONSEEKABLE))
nonseekable_open(inode, file);
}
return err;
}
static int fuse_dir_release(struct inode *inode, struct file *file)

9
fs/fuse/file.c
View File

@ -227,7 +227,7 @@ static void fuse_truncate_update_attr(struct inode *inode, struct file *file)
fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE);
}
int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
static int fuse_open(struct inode *inode, struct file *file)
{
struct fuse_mount *fm = get_fuse_mount(inode);
struct fuse_conn *fc = fm->fc;
@ -256,7 +256,7 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
if (is_wb_truncate || dax_truncate)
fuse_set_nowrite(inode);
err = fuse_do_open(fm, get_node_id(inode), file, isdir);
err = fuse_do_open(fm, get_node_id(inode), file, false);
if (!err) {
fuse_finish_open(inode, file);
if (is_truncate)
@ -354,11 +354,6 @@ void fuse_release_common(struct file *file, bool isdir)
(fl_owner_t) file, isdir);
}
static int fuse_open(struct inode *inode, struct file *file)
{
return fuse_open_common(inode, file, false);
}
static int fuse_release(struct inode *inode, struct file *file)
{
struct fuse_conn *fc = get_fuse_conn(inode);

5
fs/fuse/fuse_i.h
View File

@ -1031,11 +1031,6 @@ void fuse_read_args_fill(struct fuse_io_args *ia, struct file *file, loff_t pos,
size_t count, int opcode);
/**
* Send OPEN or OPENDIR request
*/
int fuse_open_common(struct inode *inode, struct file *file, bool isdir);
struct fuse_file *fuse_file_alloc(struct fuse_mount *fm, bool release);
void fuse_file_free(struct fuse_file *ff);
void fuse_finish_open(struct inode *inode, struct file *file);