change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/fs/fuse/file.c
..
..
@@ -206,14 +206,10 @@
206
206
 		fi->attr_version = atomic64_inc_return(&fc->attr_version);
207
207
 		i_size_write(inode, 0);
208
208
 		spin_unlock(&fi->lock);
209
-		truncate_pagecache(inode, 0);
210
209
 		fuse_invalidate_attr(inode);
211
210
 		if (fc->writeback_cache)
212
211
 			file_update_time(file);
213
-	} else if (!(ff->open_flags & FOPEN_KEEP_CACHE)) {
214
-		invalidate_inode_pages2(inode->i_mapping);
215
212
 	}
216
-
217
213
 	if ((file->f_mode & FMODE_WRITE) && fc->writeback_cache)
218
214
 		fuse_link_write_file(file);
219
215
 }
..
..
@@ -236,30 +232,39 @@
236
232
 	if (err)
237
233
 		return err;
238
234
 
239
-	if (is_wb_truncate || dax_truncate) {
235
+	if (is_wb_truncate || dax_truncate)
240
236
 		inode_lock(inode);
241
-		fuse_set_nowrite(inode);
242
-	}
243
237
 
244
238
 	if (dax_truncate) {
245
239
 		down_write(&get_fuse_inode(inode)->i_mmap_sem);
246
240
 		err = fuse_dax_break_layouts(inode, 0, 0);
247
241
 		if (err)
248
-			goto out;
242
+			goto out_inode_unlock;
249
243
 	}
244
+
245
+	if (is_wb_truncate || dax_truncate)
246
+		fuse_set_nowrite(inode);
250
247
 
251
248
 	err = fuse_do_open(fm, get_node_id(inode), file, isdir);
252
249
 	if (!err)
253
250
 		fuse_finish_open(inode, file);
254
251
 
255
-out:
252
+	if (is_wb_truncate || dax_truncate)
253
+		fuse_release_nowrite(inode);
254
+	if (!err) {
255
+		struct fuse_file *ff = file->private_data;
256
+
257
+		if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC))
258
+			truncate_pagecache(inode, 0);
259
+		else if (!(ff->open_flags & FOPEN_KEEP_CACHE))
260
+			invalidate_inode_pages2(inode->i_mapping);
261
+	}
256
262
 	if (dax_truncate)
257
263
 		up_write(&get_fuse_inode(inode)->i_mmap_sem);
258
264
 
259
-	if (is_wb_truncate | dax_truncate) {
260
-		fuse_release_nowrite(inode);
265
+out_inode_unlock:
266
+	if (is_wb_truncate || dax_truncate)
261
267
 		inode_unlock(inode);
262
-	}
263
268
 
264
269
 	return err;
265
270
 }
..
..
@@ -784,7 +789,7 @@
784
789
 	struct fuse_inode *fi = get_fuse_inode(inode);
785
790
 
786
791
 	spin_lock(&fi->lock);
787
-	if (attr_ver == fi->attr_version && size < inode->i_size &&
792
+	if (attr_ver >= fi->attr_version && size < inode->i_size &&
788
793
 	    !test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) {
789
794
 		fi->attr_version = atomic64_inc_return(&fc->attr_version);
790
795
 		i_size_write(inode, size);