Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 46151bd..ae1f0c5 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -98,9 +98,9 @@
 
 	error = ext4_get_inode_loc(inode, &iloc);
 	if (error) {
-		ext4_error_inode(inode, __func__, __LINE__, 0,
-				 "can't get inode location %lu",
-				 inode->i_ino);
+		ext4_error_inode_err(inode, __func__, __LINE__, 0, -error,
+				     "can't get inode location %lu",
+				     inode->i_ino);
 		return 0;
 	}
 
@@ -276,7 +276,7 @@
 		len = 0;
 	}
 
-	/* Insert the the xttr entry. */
+	/* Insert the xttr entry. */
 	i.value = value;
 	i.value_len = len;
 
@@ -354,7 +354,7 @@
 	if (error)
 		goto out;
 
-	/* Update the xttr entry. */
+	/* Update the xattr entry. */
 	i.value = value;
 	i.value_len = len;
 
@@ -733,18 +733,13 @@
 	void *kaddr;
 	struct ext4_iloc iloc;
 
-	if (unlikely(copied < len)) {
-		if (!PageUptodate(page)) {
-			copied = 0;
-			goto out;
-		}
-	}
+	if (unlikely(copied < len) && !PageUptodate(page))
+		return 0;
 
 	ret = ext4_get_inode_loc(inode, &iloc);
 	if (ret) {
 		ext4_std_error(inode->i_sb, ret);
-		copied = 0;
-		goto out;
+		return ret;
 	}
 
 	ext4_write_lock_xattr(inode, &no_expand);
@@ -757,7 +752,7 @@
 	(void) ext4_find_inline_data_nolock(inode);
 
 	kaddr = kmap_atomic(page);
-	ext4_write_inline_data(inode, &iloc, kaddr, pos, len);
+	ext4_write_inline_data(inode, &iloc, kaddr, pos, copied);
 	kunmap_atomic(kaddr);
 	SetPageUptodate(page);
 	/* clear page dirty so that writepages wouldn't work for us. */
@@ -766,7 +761,7 @@
 	ext4_write_unlock_xattr(inode, &no_expand);
 	brelse(iloc.bh);
 	mark_inode_dirty(inode);
-out:
+
 	return copied;
 }
 
@@ -855,7 +850,7 @@
 
 /*
  * Prepare the write for the inline data.
- * If the the data can be written into the inode, we just read
+ * If the data can be written into the inode, we just read
  * the page and make it uptodate, and start the journal.
  * Otherwise read the page, makes it dirty so that it can be
  * handle in writepages(the i_disksize update is left to the
@@ -1125,7 +1120,15 @@
 				     struct ext4_iloc *iloc,
 				     void *buf, int inline_size)
 {
-	ext4_create_inline_data(handle, inode, inline_size);
+	int ret;
+
+	ret = ext4_create_inline_data(handle, inode, inline_size);
+	if (ret) {
+		ext4_msg(inode->i_sb, KERN_EMERG,
+			"error restoring inline_data for inode -- potential data loss! (inode %lu, error %d)",
+			inode->i_ino, ret);
+		return;
+	}
 	ext4_write_inline_data(inode, iloc, buf, 0, inline_size);
 	ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
 }
@@ -1266,7 +1269,7 @@
 int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname,
 			      struct inode *dir, struct inode *inode)
 {
-	int ret, inline_size, no_expand;
+	int ret, ret2, inline_size, no_expand;
 	void *inline_start;
 	struct ext4_iloc iloc;
 
@@ -1320,7 +1323,9 @@
 
 out:
 	ext4_write_unlock_xattr(dir, &no_expand);
-	ext4_mark_inode_dirty(handle, dir);
+	ret2 = ext4_mark_inode_dirty(handle, dir);
+	if (unlikely(ret2 && !ret))
+		ret = ret2;
 	brelse(iloc.bh);
 	return ret;
 }
@@ -1710,7 +1715,7 @@
 	if (err)
 		goto out;
 
-	err = ext4_generic_delete_entry(handle, dir, de_del, bh,
+	err = ext4_generic_delete_entry(dir, de_del, bh,
 					inline_start, inline_size, 0);
 	if (err)
 		goto out;
@@ -1767,8 +1772,9 @@
 
 	err = ext4_get_inode_loc(dir, &iloc);
 	if (err) {
-		EXT4_ERROR_INODE(dir, "error %d getting inode %lu block",
-				 err, dir->i_ino);
+		EXT4_ERROR_INODE_ERR(dir, -err,
+				     "error %d getting inode %lu block",
+				     err, dir->i_ino);
 		return true;
 	}
 
@@ -1861,47 +1867,6 @@
 	return error;
 }
 
-int ext4_inline_data_fiemap(struct inode *inode,
-			    struct fiemap_extent_info *fieinfo,
-			    int *has_inline, __u64 start, __u64 len)
-{
-	__u64 physical = 0;
-	__u64 inline_len;
-	__u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
-		FIEMAP_EXTENT_LAST;
-	int error = 0;
-	struct ext4_iloc iloc;
-
-	down_read(&EXT4_I(inode)->xattr_sem);
-	if (!ext4_has_inline_data(inode)) {
-		*has_inline = 0;
-		goto out;
-	}
-	inline_len = min_t(size_t, ext4_get_inline_size(inode),
-			   i_size_read(inode));
-	if (start >= inline_len)
-		goto out;
-	if (start + len < inline_len)
-		inline_len = start + len;
-	inline_len -= start;
-
-	error = ext4_get_inode_loc(inode, &iloc);
-	if (error)
-		goto out;
-
-	physical = (__u64)iloc.bh->b_blocknr << inode->i_sb->s_blocksize_bits;
-	physical += (char *)ext4_raw_inode(&iloc) - iloc.bh->b_data;
-	physical += offsetof(struct ext4_inode, i_block);
-
-	brelse(iloc.bh);
-out:
-	up_read(&EXT4_I(inode)->xattr_sem);
-	if (physical)
-		error = fiemap_fill_next_extent(fieinfo, start, physical,
-						inline_len, flags);
-	return (error < 0 ? error : 0);
-}
-
 int ext4_inline_data_truncate(struct inode *inode, int *has_inline)
 {
 	handle_t *handle;