add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/fs/ext4/ext4_jbd2.c
..
..
@@ -7,6 +7,28 @@
7
7
 
8
8
 #include <trace/events/ext4.h>
9
9
 
10
+int ext4_inode_journal_mode(struct inode *inode)
11
+{
12
+	if (EXT4_JOURNAL(inode) == NULL)
13
+		return EXT4_INODE_WRITEBACK_DATA_MODE;	/* writeback */
14
+	/* We do not support data journalling with delayed allocation */
15
+	if (!S_ISREG(inode->i_mode) ||
16
+	    ext4_test_inode_flag(inode, EXT4_INODE_EA_INODE) ||
17
+	    test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ||
18
+	    (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
19
+	    !test_opt(inode->i_sb, DELALLOC))) {
20
+		/* We do not support data journalling for encrypted data */
21
+		if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode))
22
+			return EXT4_INODE_ORDERED_DATA_MODE;  /* ordered */
23
+		return EXT4_INODE_JOURNAL_DATA_MODE;	/* journal data */
24
+	}
25
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
26
+		return EXT4_INODE_ORDERED_DATA_MODE;	/* ordered */
27
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
28
+		return EXT4_INODE_WRITEBACK_DATA_MODE;	/* writeback */
29
+	BUG();
30
+}
31
+
10
32
 /* Just increment the non-pointer handle value */
11
33
 static handle_t *ext4_get_nojournal(void)
12
34
 {
..
..
@@ -58,28 +80,30 @@
58
80
 	 * take the FS itself readonly cleanly.
59
81
 	 */
60
82
 	if (journal && is_journal_aborted(journal)) {
61
-		ext4_abort(sb, "Detected aborted journal");
83
+		ext4_abort(sb, -journal->j_errno, "Detected aborted journal");
62
84
 		return -EROFS;
63
85
 	}
64
86
 	return 0;
65
87
 }
66
88
 
67
89
 handle_t *__ext4_journal_start_sb(struct super_block *sb, unsigned int line,
68
-				  int type, int blocks, int rsv_blocks)
90
+				  int type, int blocks, int rsv_blocks,
91
+				  int revoke_creds)
69
92
 {
70
93
 	journal_t *journal;
71
94
 	int err;
72
95
 
73
-	trace_ext4_journal_start(sb, blocks, rsv_blocks, _RET_IP_);
96
+	trace_ext4_journal_start(sb, blocks, rsv_blocks, revoke_creds,
97
+				 _RET_IP_);
74
98
 	err = ext4_journal_check_start(sb);
75
99
 	if (err < 0)
76
100
 		return ERR_PTR(err);
77
101
 
78
102
 	journal = EXT4_SB(sb)->s_journal;
79
-	if (!journal)
103
+	if (!journal || (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY))
80
104
 		return ext4_get_nojournal();
81
-	return jbd2__journal_start(journal, blocks, rsv_blocks, GFP_NOFS,
82
-				   type, line);
105
+	return jbd2__journal_start(journal, blocks, rsv_blocks, revoke_creds,
106
+				   GFP_NOFS, type, line);
83
107
 }
84
108
 
85
109
 int __ext4_journal_stop(const char *where, unsigned int line, handle_t *handle)
..
..
@@ -119,8 +143,8 @@
119
143
 		return ext4_get_nojournal();
120
144
 
121
145
 	sb = handle->h_journal->j_private;
122
-	trace_ext4_journal_start_reserved(sb, handle->h_buffer_credits,
123
-					  _RET_IP_);
146
+	trace_ext4_journal_start_reserved(sb,
147
+				jbd2_handle_buffer_credits(handle), _RET_IP_);
124
148
 	err = ext4_journal_check_start(sb);
125
149
 	if (err < 0) {
126
150
 		jbd2_journal_free_reserved(handle);
..
..
@@ -131,6 +155,21 @@
131
155
 	if (err < 0)
132
156
 		return ERR_PTR(err);
133
157
 	return handle;
158
+}
159
+
160
+int __ext4_journal_ensure_credits(handle_t *handle, int check_cred,
161
+				  int extend_cred, int revoke_cred)
162
+{
163
+	if (!ext4_handle_valid(handle))
164
+		return 0;
165
+	if (is_handle_aborted(handle))
166
+		return -EROFS;
167
+	if (jbd2_handle_buffer_credits(handle) >= check_cred &&
168
+	    handle->h_revoke_credits >= revoke_cred)
169
+		return 0;
170
+	extend_cred = max(0, extend_cred - jbd2_handle_buffer_credits(handle));
171
+	revoke_cred = max(0, revoke_cred - handle->h_revoke_credits);
172
+	return ext4_journal_extend(handle, extend_cred, revoke_cred);
134
173
 }
135
174
 
136
175
 static void ext4_journal_abort_handle(const char *caller, unsigned int line,
..
..
@@ -158,12 +197,37 @@
158
197
 	jbd2_journal_abort_handle(handle);
159
198
 }
160
199
 
200
+static void ext4_check_bdev_write_error(struct super_block *sb)
201
+{
202
+	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
203
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
204
+	int err;
205
+
206
+	/*
207
+	 * If the block device has write error flag, it may have failed to
208
+	 * async write out metadata buffers in the background. In this case,
209
+	 * we could read old data from disk and write it out again, which
210
+	 * may lead to on-disk filesystem inconsistency.
211
+	 */
212
+	if (errseq_check(&mapping->wb_err, READ_ONCE(sbi->s_bdev_wb_err))) {
213
+		spin_lock(&sbi->s_bdev_wb_lock);
214
+		err = errseq_check_and_advance(&mapping->wb_err, &sbi->s_bdev_wb_err);
215
+		spin_unlock(&sbi->s_bdev_wb_lock);
216
+		if (err)
217
+			ext4_error_err(sb, -err,
218
+				       "Error while async write back metadata");
219
+	}
220
+}
221
+
161
222
 int __ext4_journal_get_write_access(const char *where, unsigned int line,
162
223
 				    handle_t *handle, struct buffer_head *bh)
163
224
 {
164
225
 	int err = 0;
165
226
 
166
227
 	might_sleep();
228
+
229
+	if (bh->b_bdev->bd_super)
230
+		ext4_check_bdev_write_error(bh->b_bdev->bd_super);
167
231
 
168
232
 	if (ext4_handle_valid(handle)) {
169
233
 		err = jbd2_journal_get_write_access(handle, bh);
..
..
@@ -234,7 +298,7 @@
234
298
 	if (err) {
235
299
 		ext4_journal_abort_handle(where, line, __func__,
236
300
 					  bh, handle, err);
237
-		__ext4_abort(inode->i_sb, where, line,
301
+		__ext4_abort(inode->i_sb, where, line, -err,
238
302
 			   "error %d when attempting revoke", err);
239
303
 	}
240
304
 	BUFFER_TRACE(bh, "exit");
..
..
@@ -278,7 +342,7 @@
278
342
 				       handle->h_type,
279
343
 				       handle->h_line_no,
280
344
 				       handle->h_requested_credits,
281
-				       handle->h_buffer_credits, err);
345
+				       jbd2_handle_buffer_credits(handle), err);
282
346
 				return err;
283
347
 			}
284
348
 			ext4_error_inode(inode, where, line,
..
..
@@ -289,9 +353,11 @@
289
353
 					 handle->h_type,
290
354
 					 handle->h_line_no,
291
355
 					 handle->h_requested_credits,
292
-					 handle->h_buffer_credits, err);
356
+					 jbd2_handle_buffer_credits(handle),
357
+					 err);
293
358
 		}
294
359
 	} else {
360
+		set_buffer_uptodate(bh);
295
361
 		if (inode)
296
362
 			mark_buffer_dirty_inode(bh, inode);
297
363
 		else
..
..
@@ -299,13 +365,8 @@
299
365
 		if (inode && inode_needs_sync(inode)) {
300
366
 			sync_dirty_buffer(bh);
301
367
 			if (buffer_req(bh) && !buffer_uptodate(bh)) {
302
-				struct ext4_super_block *es;
303
-
304
-				es = EXT4_SB(inode->i_sb)->s_es;
305
-				es->s_last_error_block =
306
-					cpu_to_le64(bh->b_blocknr);
307
-				ext4_error_inode(inode, where, line,
308
-						 bh->b_blocknr,
368
+				ext4_error_inode_err(inode, where, line,
369
+						     bh->b_blocknr, EIO,
309
370
 					"IO error syncing itable block");
310
371
 				err = -EIO;
311
372
 			}