netfs: Use uoff_t instead of unsigned long long and loff_t

Use uoff_t instead of unsigned long long and loff_t for file positions that
can't be negative.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20260909072105.1663687-2-dhowells@redhat.com
Reviewed-by: Paulo Alcantara <pc@manguebit.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>

3 files changed, 19 insertions, 19 deletions

diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index 50a000310a8c..a160d5c3e74c 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -111,7 +111,7 @@ static int cachefiles_adjust_size(struct cachefiles_object *object)
 	struct iattr newattrs;
 	struct file *file = object->file;
 	uint64_t ni_size;
-	loff_t oi_size;
+	uoff_t oi_size;
 	int ret;
 
 	ni_size = object->cookie->object_size;
@@ -225,11 +225,11 @@ fail:
  * any unused granules.
  */
 static bool cachefiles_shorten_object(struct cachefiles_object *object,
-				      struct file *file, loff_t new_size)
+				      struct file *file, uoff_t new_size)
 {
 	struct cachefiles_cache *cache = object->volume->cache;
 	struct inode *inode = file_inode(file);
-	loff_t i_size, dio_size;
+	uoff_t i_size, dio_size;
 	int ret;
 
 	dio_size = round_up(new_size, CACHEFILES_DIO_BLOCK_SIZE);
@@ -271,14 +271,14 @@ static bool cachefiles_shorten_object(struct cachefiles_object *object,
  * Resize the backing object.
  */
 static void cachefiles_resize_cookie(struct netfs_cache_resources *cres,
-				     loff_t new_size)
+				     uoff_t new_size)
 {
 	struct cachefiles_object *object = cachefiles_cres_object(cres);
 	struct cachefiles_cache *cache = object->volume->cache;
 	struct fscache_cookie *cookie = object->cookie;
 	const struct cred *saved_cred;
 	struct file *file = cachefiles_cres_file(cres);
-	loff_t old_size = cookie->object_size;
+	uoff_t old_size = cookie->object_size;
 
 	_enter("%llu->%llu", old_size, new_size);
 
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
index c93324e0f98c..60bd801ada04 100644
--- a/fs/cachefiles/internal.h
+++ b/fs/cachefiles/internal.h
@@ -203,11 +203,11 @@ extern bool cachefiles_begin_operation(struct netfs_cache_resources *cres,
 				       enum fscache_want_state want_state);
 extern int __cachefiles_prepare_write(struct cachefiles_object *object,
 				      struct file *file,
-				      loff_t *_start, size_t *_len, size_t upper_len,
+				      uoff_t *_start, size_t *_len, size_t upper_len,
 				      bool no_space_allocated_yet);
 extern int __cachefiles_write(struct cachefiles_object *object,
 			      struct file *file,
-			      loff_t start_pos,
+			      uoff_t start_pos,
 			      struct iov_iter *iter,
 			      netfs_io_terminated_t term_func,
 			      void *term_func_priv);
diff --git a/fs/cachefiles/io.c b/fs/cachefiles/io.c
index 9540ec25b3cb..7de8069d15b6 100644
--- a/fs/cachefiles/io.c
+++ b/fs/cachefiles/io.c
@@ -19,7 +19,7 @@
 struct cachefiles_kiocb {
 	struct kiocb		iocb;
 	refcount_t		ki_refcnt;
-	loff_t			start;
+	uoff_t			start;
 	union {
 		size_t		skipped;
 		size_t		len;
@@ -73,7 +73,7 @@ static void cachefiles_read_complete(struct kiocb *iocb, long ret)
  * Initiate a read from the cache.
  */
 static int cachefiles_read(struct netfs_cache_resources *cres,
-			   loff_t start_pos,
+			   uoff_t start_pos,
 			   struct iov_iter *iter,
 			   enum netfs_read_from_hole read_hole,
 			   netfs_io_terminated_t term_func,
@@ -197,8 +197,8 @@ presubmission_error:
  * of data starts and how long it is.
  */
 static int cachefiles_query_occupancy(struct netfs_cache_resources *cres,
-				      loff_t start, size_t len, size_t granularity,
-				      loff_t *_data_start, size_t *_data_len)
+				      uoff_t start, size_t len, size_t granularity,
+				      uoff_t *_data_start, size_t *_data_len)
 {
 	struct cachefiles_object *object;
 	struct file *file;
@@ -280,7 +280,7 @@ static void cachefiles_write_complete(struct kiocb *iocb, long ret)
  */
 int __cachefiles_write(struct cachefiles_object *object,
 		       struct file *file,
-		       loff_t start_pos,
+		       uoff_t start_pos,
 		       struct iov_iter *iter,
 		       netfs_io_terminated_t term_func,
 		       void *term_func_priv)
@@ -357,7 +357,7 @@ in_progress:
 }
 
 static int cachefiles_write(struct netfs_cache_resources *cres,
-			    loff_t start_pos,
+			    uoff_t start_pos,
 			    struct iov_iter *iter,
 			    netfs_io_terminated_t term_func,
 			    void *term_func_priv)
@@ -377,7 +377,7 @@ static int cachefiles_write(struct netfs_cache_resources *cres,
 
 static inline enum netfs_io_source
 cachefiles_do_prepare_read(struct netfs_cache_resources *cres,
-			   loff_t start, size_t *_len, loff_t i_size,
+			   uoff_t start, size_t *_len, loff_t i_size,
 			   unsigned long *_flags, ino_t netfs_ino)
 {
 	enum cachefiles_prepare_read_trace why;
@@ -483,7 +483,7 @@ out_no_object:
  * boundary as appropriate.
  */
 static enum netfs_io_source cachefiles_prepare_read(struct netfs_io_subrequest *subreq,
-						    unsigned long long i_size)
+						    uoff_t i_size)
 {
 	return cachefiles_do_prepare_read(&subreq->rreq->cache_resources,
 					  subreq->start, &subreq->len, i_size,
@@ -495,7 +495,7 @@ static enum netfs_io_source cachefiles_prepare_read(struct netfs_io_subrequest *
  */
 int __cachefiles_prepare_write(struct cachefiles_object *object,
 			       struct file *file,
-			       loff_t *_start, size_t *_len, size_t upper_len,
+			       uoff_t *_start, size_t *_len, size_t upper_len,
 			       bool no_space_allocated_yet)
 {
 	struct cachefiles_cache *cache = object->volume->cache;
@@ -577,8 +577,8 @@ check_space:
 }
 
 static int cachefiles_prepare_write(struct netfs_cache_resources *cres,
-				    loff_t *_start, size_t *_len, size_t upper_len,
-				    loff_t i_size, bool no_space_allocated_yet)
+				    uoff_t *_start, size_t *_len, size_t upper_len,
+				    uoff_t i_size, bool no_space_allocated_yet)
 {
 	struct cachefiles_object *object = cachefiles_cres_object(cres);
 	struct cachefiles_cache *cache = object->volume->cache;
@@ -628,7 +628,7 @@ static void cachefiles_issue_write(struct netfs_io_subrequest *subreq)
 	struct netfs_io_stream *stream = &wreq->io_streams[subreq->stream_nr];
 	const struct cred *saved_cred;
 	size_t off, pre, post, len = subreq->len;
-	loff_t start = subreq->start;
+	uoff_t start = subreq->start;
 	int ret;
 
 	_enter("W=%x[%x] %llx-%llx",