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Code Issues Releases Wiki Activity

fuse: Add fuse_inode argument to fuse_prepare_release()

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Here is preparation for next patches, which introduce new fi->lock for
protection of ff->write_entry linked into fi->write_files.

This patch just passes new argument to the function.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Kirill Tkhai 2018-11-09 13:33:11 +03:00 committed by Miklos Szeredi
parent b782911b52
commit ebf84d0c72
4 changed files with 13 additions and 8 deletions
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3
fs/fuse/cuse.c
View file

@ -141,10 +141,11 @@ static int cuse_open(struct inode *inode, struct file *file)
static int cuse_release(struct inode *inode, struct file *file)
{
struct fuse_inode *fi = get_fuse_inode(inode);
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
fuse_sync_release(ff, file->f_flags);
fuse_sync_release(fi, ff, file->f_flags);
fuse_conn_put(fc);
return 0;

6
fs/fuse/dir.c
View file

@ -400,6 +400,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
struct fuse_create_in inarg;
struct fuse_open_out outopen;
struct fuse_entry_out outentry;
struct fuse_inode *fi;
struct fuse_file *ff;
/* Userspace expects S_IFREG in create mode */
@ -451,7 +452,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
&outentry.attr, entry_attr_timeout(&outentry), 0);
if (!inode) {
flags &= ~(O_CREAT | O_EXCL | O_TRUNC);
fuse_sync_release(ff, flags);
fuse_sync_release(NULL, ff, flags);
fuse_queue_forget(fc, forget, outentry.nodeid, 1);
err = -ENOMEM;
goto out_err;
@ -462,7 +463,8 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
fuse_dir_changed(dir);
err = finish_open(file, entry, generic_file_open);
if (err) {
fuse_sync_release(ff, flags);
fi = get_fuse_inode(inode);
fuse_sync_release(fi, ff, flags);
} else {
file->private_data = ff;
fuse_finish_open(inode, file);

10
fs/fuse/file.c
View file

@ -224,7 +224,8 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
return err;
}
static void fuse_prepare_release(struct fuse_file *ff, int flags, int opcode)
static void fuse_prepare_release(struct fuse_inode *fi, struct fuse_file *ff,
int flags, int opcode)
{
struct fuse_conn *fc = ff->fc;
struct fuse_req *req = ff->reserved_req;
@ -249,11 +250,12 @@ static void fuse_prepare_release(struct fuse_file *ff, int flags, int opcode)
void fuse_release_common(struct file *file, bool isdir)
{
struct fuse_inode *fi = get_fuse_inode(file_inode(file));
struct fuse_file *ff = file->private_data;
struct fuse_req *req = ff->reserved_req;
int opcode = isdir ? FUSE_RELEASEDIR : FUSE_RELEASE;
fuse_prepare_release(ff, file->f_flags, opcode);
fuse_prepare_release(fi, ff, file->f_flags, opcode);
if (ff->flock) {
struct fuse_release_in *inarg = &req->misc.release.in;
@ -295,10 +297,10 @@ static int fuse_release(struct inode *inode, struct file *file)
return 0;
}
void fuse_sync_release(struct fuse_file *ff, int flags)
void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags)
{
WARN_ON(refcount_read(&ff->count) > 1);
fuse_prepare_release(ff, flags, FUSE_RELEASE);
fuse_prepare_release(fi, ff, flags, FUSE_RELEASE);
/*
* iput(NULL) is a no-op and since the refcount is 1 and everything's
* synchronous, we are fine with not doing igrab() here"

2
fs/fuse/fuse_i.h
View file

@ -817,7 +817,7 @@ struct fuse_file *fuse_file_alloc(struct fuse_conn *fc);
void fuse_file_free(struct fuse_file *ff);
void fuse_finish_open(struct inode *inode, struct file *file);
void fuse_sync_release(struct fuse_file *ff, int flags);
void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags);
/**
* Send RELEASE or RELEASEDIR request