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Tue, 02 Dec 2025 16:37:14 -0800 (PST) From: Joanne Koong To: miklos@szeredi.hu, axboe@kernel.dk Cc: bschubert@ddn.com, asml.silence@gmail.com, io-uring@vger.kernel.org, csander@purestorage.com, xiaobing.li@samsung.com, linux-fsdevel@vger.kernel.org Subject: [PATCH v1 27/30] fuse: rename fuse_set_zero_arg0() to fuse_zero_in_arg0() Date: Tue, 2 Dec 2025 16:35:22 -0800 Message-ID: <20251203003526.2889477-28-joannelkoong@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251203003526.2889477-1-joannelkoong@gmail.com> References: <20251203003526.2889477-1-joannelkoong@gmail.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The fuse_set_zero_arg0() function is used for setting a no-op header for in args but to support fuse io-uring zero-copy, the first parameter of outargs will also need to be set to a no-op header if the request contains payload but no out heeader. Rename fuse_set_zero_arg0() to fuse_zero_in_arg0() to indicate this is for the in arg header. Later, fuse_zero_out_arg0() will be added. Signed-off-by: Joanne Koong --- fs/fuse/dax.c | 2 +- fs/fuse/dev.c | 2 +- fs/fuse/dir.c | 8 ++++---- fs/fuse/fuse_i.h | 2 +- fs/fuse/xattr.c | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c index ac6d4c1064cc..b4bf586d1fd1 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -240,7 +240,7 @@ static int fuse_send_removemapping(struct inode *inode, args.opcode = FUSE_REMOVEMAPPING; args.nodeid = fi->nodeid; args.in_numargs = 3; - fuse_set_zero_arg0(&args); + fuse_zero_in_arg0(&args); args.in_args[1].size = sizeof(*inargp); args.in_args[1].value = inargp; args.in_args[2].size = inargp->count * sizeof(*remove_one); diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 820d02f01b47..7d39c80da554 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1943,7 +1943,7 @@ static int fuse_retrieve(struct fuse_mount *fm, struct inode *inode, } ra->inarg.offset = outarg->offset; ra->inarg.size = total_len; - fuse_set_zero_arg0(args); + fuse_zero_in_arg0(args); args->in_args[1].size = sizeof(ra->inarg); args->in_args[1].value = &ra->inarg; args->in_args[2].size = total_len; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index ecaec0fea3a1..b79be8bbbaf8 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -176,7 +176,7 @@ static void fuse_lookup_init(struct fuse_conn *fc, struct fuse_args *args, args->opcode = FUSE_LOOKUP; args->nodeid = nodeid; args->in_numargs = 3; - fuse_set_zero_arg0(args); + fuse_zero_in_arg0(args); args->in_args[1].size = name->len; args->in_args[1].value = name->name; args->in_args[2].size = 1; @@ -943,7 +943,7 @@ static int fuse_symlink(struct mnt_idmap *idmap, struct inode *dir, args.opcode = FUSE_SYMLINK; args.in_numargs = 3; - fuse_set_zero_arg0(&args); + fuse_zero_in_arg0(&args); args.in_args[1].size = entry->d_name.len + 1; args.in_args[1].value = entry->d_name.name; args.in_args[2].size = len; @@ -1008,7 +1008,7 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry) args.opcode = FUSE_UNLINK; args.nodeid = get_node_id(dir); args.in_numargs = 2; - fuse_set_zero_arg0(&args); + fuse_zero_in_arg0(&args); args.in_args[1].size = entry->d_name.len + 1; args.in_args[1].value = entry->d_name.name; err = fuse_simple_request(fm, &args); @@ -1032,7 +1032,7 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry) args.opcode = FUSE_RMDIR; args.nodeid = get_node_id(dir); args.in_numargs = 2; - fuse_set_zero_arg0(&args); + fuse_zero_in_arg0(&args); args.in_args[1].size = entry->d_name.len + 1; args.in_args[1].value = entry->d_name.name; err = fuse_simple_request(fm, &args); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index c2f2a48156d6..34541801d950 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -1020,7 +1020,7 @@ struct fuse_mount { */ struct fuse_zero_header {}; -static inline void fuse_set_zero_arg0(struct fuse_args *args) +static inline void fuse_zero_in_arg0(struct fuse_args *args) { args->in_args[0].size = sizeof(struct fuse_zero_header); args->in_args[0].value = NULL; diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c index 93dfb06b6cea..aa0881162287 100644 --- a/fs/fuse/xattr.c +++ b/fs/fuse/xattr.c @@ -165,7 +165,7 @@ int fuse_removexattr(struct inode *inode, const char *name) args.opcode = FUSE_REMOVEXATTR; args.nodeid = get_node_id(inode); args.in_numargs = 2; - fuse_set_zero_arg0(&args); + fuse_zero_in_arg0(&args); args.in_args[1].size = strlen(name) + 1; args.in_args[1].value = name; err = fuse_simple_request(fm, &args); -- 2.47.3