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Message-Id: <20240906143453.179506-1-aleksandr.mikhalitsyn@canonical.com> Date: Fri, 6 Sep 2024 16:34:51 +0200 From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com> To: mszeredi@...hat.com Cc: brauner@...nel.org, linux-fsdevel@...r.kernel.org, Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>, Miklos Szeredi <miklos@...redi.hu>, linux-kernel@...r.kernel.org Subject: [PATCH v1 1/3] fs/fuse: introduce and use fuse_simple_idmap_request() helper Let's convert all existing callers properly. No functional changes intended. Suggested-by: Christian Brauner <brauner@...nel.org> Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com> --- fs/fuse/dax.c | 4 ++-- fs/fuse/dev.c | 6 +++--- fs/fuse/dir.c | 26 +++++++++++++------------- fs/fuse/file.c | 32 ++++++++++++++++---------------- fs/fuse/fuse_i.h | 18 ++++++++++++++++-- fs/fuse/inode.c | 6 +++--- fs/fuse/ioctl.c | 2 +- fs/fuse/readdir.c | 4 ++-- fs/fuse/xattr.c | 8 ++++---- 9 files changed, 60 insertions(+), 46 deletions(-) diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c index 6d8368d66dd4..12ef91d170bb 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -207,7 +207,7 @@ static int fuse_setup_one_mapping(struct inode *inode, unsigned long start_idx, args.in_numargs = 1; args.in_args[0].size = sizeof(inarg); args.in_args[0].value = &inarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err < 0) return err; dmap->writable = writable; @@ -245,7 +245,7 @@ static int fuse_send_removemapping(struct inode *inode, args.in_args[0].value = inargp; args.in_args[1].size = inargp->count * sizeof(*remove_one); args.in_args[1].value = remove_one; - return fuse_simple_request(NULL, fm, &args); + return fuse_simple_request(fm, &args); } static int dmap_removemapping_list(struct inode *inode, unsigned int num, diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 5ca2ab48527e..04a6490a587c 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -539,9 +539,9 @@ static void fuse_args_to_req(struct fuse_req *req, struct fuse_args *args) __set_bit(FR_ASYNC, &req->flags); } -ssize_t fuse_simple_request(struct mnt_idmap *idmap, - struct fuse_mount *fm, - struct fuse_args *args) +ssize_t __fuse_simple_request(struct mnt_idmap *idmap, + struct fuse_mount *fm, + struct fuse_args *args) { struct fuse_conn *fc = fm->fc; struct fuse_req *req; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 99f9948bf68b..491e112819be 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -230,7 +230,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) parent = dget_parent(entry); fuse_lookup_init(fm->fc, &args, get_node_id(d_inode(parent)), &entry->d_name, &outarg); - ret = fuse_simple_request(NULL, fm, &args); + ret = fuse_simple_request(fm, &args); dput(parent); /* Zero nodeid is same as -ENOENT */ if (!ret && !outarg.nodeid) @@ -383,7 +383,7 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name attr_version = fuse_get_attr_version(fm->fc); fuse_lookup_init(fm->fc, &args, nodeid, name, outarg); - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); /* Zero nodeid is same as -ENOENT, but with valid timeout */ if (err || !outarg->nodeid) goto out_put_forget; @@ -677,7 +677,7 @@ static int fuse_create_open(struct mnt_idmap *idmap, struct inode *dir, if (err) goto out_free_ff; - err = fuse_simple_request(idmap, fm, &args); + err = fuse_simple_idmap_request(idmap, fm, &args); free_ext_value(&args); if (err) goto out_free_ff; @@ -809,7 +809,7 @@ static int create_new_entry(struct mnt_idmap *idmap, struct fuse_mount *fm, goto out_put_forget_req; } - err = fuse_simple_request(idmap, fm, args); + err = fuse_simple_idmap_request(idmap, fm, args); free_ext_value(args); if (err) goto out_put_forget_req; @@ -994,7 +994,7 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry) args.in_numargs = 1; args.in_args[0].size = entry->d_name.len + 1; args.in_args[0].value = entry->d_name.name; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) { fuse_dir_changed(dir); fuse_entry_unlinked(entry); @@ -1017,7 +1017,7 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry) args.in_numargs = 1; args.in_args[0].size = entry->d_name.len + 1; args.in_args[0].value = entry->d_name.name; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) { fuse_dir_changed(dir); fuse_entry_unlinked(entry); @@ -1047,7 +1047,7 @@ static int fuse_rename_common(struct mnt_idmap *idmap, struct inode *olddir, str args.in_args[1].value = oldent->d_name.name; args.in_args[2].size = newent->d_name.len + 1; args.in_args[2].value = newent->d_name.name; - err = fuse_simple_request(idmap, fm, &args); + err = fuse_simple_idmap_request(idmap, fm, &args); if (!err) { /* ctime changes */ fuse_update_ctime(d_inode(oldent)); @@ -1222,7 +1222,7 @@ static int fuse_do_statx(struct mnt_idmap *idmap, struct inode *inode, args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err) return err; @@ -1280,7 +1280,7 @@ static int fuse_do_getattr(struct mnt_idmap *idmap, struct inode *inode, args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) { if (fuse_invalid_attr(&outarg.attr) || inode_wrong_type(inode, outarg.attr.mode)) { @@ -1492,7 +1492,7 @@ static int fuse_access(struct inode *inode, int mask) args.in_numargs = 1; args.in_args[0].size = sizeof(inarg); args.in_args[0].value = &inarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fm->fc->no_access = 1; err = 0; @@ -1604,7 +1604,7 @@ static int fuse_readlink_page(struct inode *inode, struct page *page) ap.args.page_zeroing = true; ap.args.out_numargs = 1; ap.args.out_args[0].size = desc.length; - res = fuse_simple_request(NULL, fm, &ap.args); + res = fuse_simple_request(fm, &ap.args); fuse_invalidate_atime(inode); @@ -1889,7 +1889,7 @@ int fuse_flush_times(struct inode *inode, struct fuse_file *ff) } fuse_setattr_fill(fm->fc, &args, inode, &inarg, &outarg); - return fuse_simple_request(NULL, fm, &args); + return fuse_simple_request(fm, &args); } /* @@ -2002,7 +2002,7 @@ int fuse_do_setattr(struct mnt_idmap *idmap, struct dentry *dentry, inarg.valid |= FATTR_KILL_SUIDGID; } fuse_setattr_fill(fc, &args, inode, &inarg, &outarg); - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err) { if (err == -EINTR) fuse_invalidate_attr(inode); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index ca553d7a7c9e..b8afeca12487 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -48,7 +48,7 @@ static int fuse_send_open(struct fuse_mount *fm, u64 nodeid, args.out_args[0].size = sizeof(*outargp); args.out_args[0].value = outargp; - return fuse_simple_request(NULL, fm, &args); + return fuse_simple_request(fm, &args); } struct fuse_file *fuse_file_alloc(struct fuse_mount *fm, bool release) @@ -111,7 +111,7 @@ static void fuse_file_put(struct fuse_file *ff, bool sync) if (!args) { /* Do nothing when server does not implement 'open' */ } else if (sync) { - fuse_simple_request(NULL, ff->fm, args); + fuse_simple_request(ff->fm, args); fuse_release_end(ff->fm, args, 0); } else { args->end = fuse_release_end; @@ -539,7 +539,7 @@ static int fuse_flush(struct file *file, fl_owner_t id) args.in_args[0].value = &inarg; args.force = true; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fm->fc->no_flush = 1; err = 0; @@ -572,7 +572,7 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end, args.in_numargs = 1; args.in_args[0].size = sizeof(inarg); args.in_args[0].value = &inarg; - return fuse_simple_request(NULL, fm, &args); + return fuse_simple_request(fm, &args); } static int fuse_fsync(struct file *file, loff_t start, loff_t end, @@ -814,7 +814,7 @@ static ssize_t fuse_send_read(struct fuse_io_args *ia, loff_t pos, size_t count, if (ia->io->async) return fuse_async_req_send(fm, ia, count); - return fuse_simple_request(NULL, fm, &ia->ap.args); + return fuse_simple_request(fm, &ia->ap.args); } static void fuse_read_update_size(struct inode *inode, loff_t size, @@ -878,7 +878,7 @@ static int fuse_do_readpage(struct file *file, struct page *page) desc.length--; fuse_read_args_fill(&ia, file, pos, desc.length, FUSE_READ); - res = fuse_simple_request(NULL, fm, &ia.ap.args); + res = fuse_simple_request(fm, &ia.ap.args); if (res < 0) return res; /* @@ -976,7 +976,7 @@ static void fuse_send_readpages(struct fuse_io_args *ia, struct file *file) if (!err) return; } else { - res = fuse_simple_request(NULL, fm, &ap->args); + res = fuse_simple_request(fm, &ap->args); err = res < 0 ? res : 0; } fuse_readpages_end(fm, &ap->args, err); @@ -1101,7 +1101,7 @@ static ssize_t fuse_send_write(struct fuse_io_args *ia, loff_t pos, if (ia->io->async) return fuse_async_req_send(fm, ia, count); - err = fuse_simple_request(NULL, fm, &ia->ap.args); + err = fuse_simple_request(fm, &ia->ap.args); if (!err && ia->write.out.size > count) err = -EIO; @@ -1147,7 +1147,7 @@ static ssize_t fuse_send_write_pages(struct fuse_io_args *ia, if (fm->fc->handle_killpriv_v2 && !capable(CAP_FSETID)) ia->write.in.write_flags |= FUSE_WRITE_KILL_SUIDGID; - err = fuse_simple_request(NULL, fm, &ap->args); + err = fuse_simple_request(fm, &ap->args); if (!err && ia->write.out.size > count) err = -EIO; @@ -2662,7 +2662,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl) args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) err = convert_fuse_file_lock(fm->fc, &outarg.lk, fl); @@ -2686,7 +2686,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) } fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg); - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); /* locking is restartable */ if (err == -EINTR) @@ -2760,7 +2760,7 @@ static sector_t fuse_bmap(struct address_space *mapping, sector_t block) args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) fm->fc->no_bmap = 1; @@ -2792,7 +2792,7 @@ static loff_t fuse_lseek(struct file *file, loff_t offset, int whence) args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err) { if (err == -ENOSYS) { fm->fc->no_lseek = 1; @@ -2925,7 +2925,7 @@ __poll_t fuse_file_poll(struct file *file, poll_table *wait) args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) return demangle_poll(outarg.revents); @@ -3147,7 +3147,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, args.in_numargs = 1; args.in_args[0].size = sizeof(inarg); args.in_args[0].value = &inarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fm->fc->no_fallocate = 1; err = -EOPNOTSUPP; @@ -3259,7 +3259,7 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in, args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fc->no_copy_file_range = 1; err = -EOPNOTSUPP; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 7dd0661aeab6..b2c7834f21b5 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -1147,8 +1147,22 @@ void __exit fuse_ctl_cleanup(void); /** * Simple request sending that does request allocation and freeing */ -ssize_t fuse_simple_request(struct mnt_idmap *idmap, struct fuse_mount *fm, - struct fuse_args *args); +ssize_t __fuse_simple_request(struct mnt_idmap *idmap, + struct fuse_mount *fm, + struct fuse_args *args); + +static inline ssize_t fuse_simple_request(struct fuse_mount *fm, struct fuse_args *args) +{ + return __fuse_simple_request(NULL, fm, args); +} + +static inline ssize_t fuse_simple_idmap_request(struct mnt_idmap *idmap, + struct fuse_mount *fm, + struct fuse_args *args) +{ + return __fuse_simple_request(idmap, fm, args); +} + int fuse_simple_background(struct fuse_mount *fm, struct fuse_args *args, gfp_t gfp_flags); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d7edb3fb829f..fd3321e29a3e 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -586,7 +586,7 @@ static void fuse_send_destroy(struct fuse_mount *fm) args.opcode = FUSE_DESTROY; args.force = true; args.nocreds = true; - fuse_simple_request(NULL, fm, &args); + fuse_simple_request(fm, &args); } } @@ -624,7 +624,7 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf) args.out_numargs = 1; args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (!err) convert_fuse_statfs(buf, &outarg.st); return err; @@ -713,7 +713,7 @@ static int fuse_sync_fs(struct super_block *sb, int wait) args.nodeid = get_node_id(sb->s_root->d_inode); args.out_numargs = 0; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fc->sync_fs = 0; err = 0; diff --git a/fs/fuse/ioctl.c b/fs/fuse/ioctl.c index b40dd931167d..572ce8a82ceb 100644 --- a/fs/fuse/ioctl.c +++ b/fs/fuse/ioctl.c @@ -18,7 +18,7 @@ static ssize_t fuse_send_ioctl(struct fuse_mount *fm, struct fuse_args *args, args->out_args[0].size = sizeof(*outarg); args->out_args[0].value = outarg; - ret = fuse_simple_request(NULL, fm, args); + ret = fuse_simple_request(fm, args); /* Translate ENOSYS, which shouldn't be returned from fs */ if (ret == -ENOSYS) diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c index e8a093289421..0377b6dc24c8 100644 --- a/fs/fuse/readdir.c +++ b/fs/fuse/readdir.c @@ -279,7 +279,7 @@ static void fuse_force_forget(struct file *file, u64 nodeid) args.force = true; args.noreply = true; - fuse_simple_request(NULL, fm, &args); + fuse_simple_request(fm, &args); /* ignore errors */ } @@ -358,7 +358,7 @@ static int fuse_readdir_uncached(struct file *file, struct dir_context *ctx) FUSE_READDIR); } locked = fuse_lock_inode(inode); - res = fuse_simple_request(NULL, fm, &ap->args); + res = fuse_simple_request(fm, &ap->args); fuse_unlock_inode(inode, locked); if (res >= 0) { if (!res) { diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c index 0a9b60de3668..9f568d345c51 100644 --- a/fs/fuse/xattr.c +++ b/fs/fuse/xattr.c @@ -37,7 +37,7 @@ int fuse_setxattr(struct inode *inode, const char *name, const void *value, args.in_args[1].value = name; args.in_args[2].size = size; args.in_args[2].value = value; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fm->fc->no_setxattr = 1; err = -EOPNOTSUPP; @@ -79,7 +79,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value, args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; } - ret = fuse_simple_request(NULL, fm, &args); + ret = fuse_simple_request(fm, &args); if (!ret && !size) ret = min_t(size_t, outarg.size, XATTR_SIZE_MAX); if (ret == -ENOSYS) { @@ -141,7 +141,7 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) args.out_args[0].size = sizeof(outarg); args.out_args[0].value = &outarg; } - ret = fuse_simple_request(NULL, fm, &args); + ret = fuse_simple_request(fm, &args); if (!ret && !size) ret = min_t(size_t, outarg.size, XATTR_LIST_MAX); if (ret > 0 && size) @@ -167,7 +167,7 @@ int fuse_removexattr(struct inode *inode, const char *name) args.in_numargs = 1; args.in_args[0].size = strlen(name) + 1; args.in_args[0].value = name; - err = fuse_simple_request(NULL, fm, &args); + err = fuse_simple_request(fm, &args); if (err == -ENOSYS) { fm->fc->no_removexattr = 1; err = -EOPNOTSUPP; -- 2.34.1
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