Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index dd608b8..db4fec3 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/f2fs/inode.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/fs.h>
 #include <linux/f2fs_fs.h>
@@ -17,6 +14,7 @@
 #include "f2fs.h"
 #include "node.h"
 #include "segment.h"
+#include "xattr.h"
 
 #include <trace/events/f2fs.h>
 
@@ -46,11 +44,15 @@
 		new_fl |= S_NOATIME;
 	if (flags & F2FS_DIRSYNC_FL)
 		new_fl |= S_DIRSYNC;
-	if (f2fs_encrypted_inode(inode))
+	if (file_is_encrypt(inode))
 		new_fl |= S_ENCRYPTED;
+	if (file_is_verity(inode))
+		new_fl |= S_VERITY;
+	if (flags & F2FS_CASEFOLD_FL)
+		new_fl |= S_CASEFOLD;
 	inode_set_flags(inode, new_fl,
 			S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|
-			S_ENCRYPTED);
+			S_ENCRYPTED|S_VERITY|S_CASEFOLD);
 }
 
 static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
@@ -75,8 +77,8 @@
 
 	if (!__is_valid_data_blkaddr(addr))
 		return 1;
-	if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC))
-		return -EFAULT;
+	if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC_ENHANCE))
+		return -EFSCORRUPTED;
 	return 0;
 }
 
@@ -106,7 +108,7 @@
 
 	while (start < end) {
 		if (*start++) {
-			f2fs_wait_on_page_writeback(ipage, NODE, true);
+			f2fs_wait_on_page_writeback(ipage, NODE, true, true);
 
 			set_inode_flag(inode, FI_DATA_EXIST);
 			set_raw_inline(inode, F2FS_INODE(ipage));
@@ -121,7 +123,7 @@
 {
 	struct f2fs_inode *ri = &F2FS_NODE(page)->i;
 
-	if (!f2fs_sb_has_inode_chksum(sbi->sb))
+	if (!f2fs_sb_has_inode_chksum(sbi))
 		return false;
 
 	if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR))
@@ -178,9 +180,8 @@
 	calculated = f2fs_inode_chksum(sbi, page);
 
 	if (provided != calculated)
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"checksum invalid, ino = %x, %x vs. %x",
-			ino_of_node(page), provided, calculated);
+		f2fs_warn(sbi, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
+			  page->index, ino_of_node(page), provided, calculated);
 
 	return provided == calculated;
 }
@@ -204,50 +205,53 @@
 	iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
 	if (!iblocks) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, "
-			"run fsck to fix.",
-			__func__, inode->i_ino, iblocks);
+		f2fs_warn(sbi, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.",
+			  __func__, inode->i_ino, iblocks);
 		return false;
 	}
 
 	if (ino_of_node(node_page) != nid_of_node(node_page)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode footer i_ino=%lx, ino,nid: "
-			"[%u, %u] run fsck to fix.",
-			__func__, inode->i_ino,
-			ino_of_node(node_page), nid_of_node(node_page));
+		f2fs_warn(sbi, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.",
+			  __func__, inode->i_ino,
+			  ino_of_node(node_page), nid_of_node(node_page));
 		return false;
 	}
 
-	if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)
+	if (f2fs_sb_has_flexible_inline_xattr(sbi)
 			&& !f2fs_has_extra_attr(inode)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode ino=%lx, run fsck to fix.",
-			__func__, inode->i_ino);
+		f2fs_warn(sbi, "%s: corrupted inode ino=%lx, run fsck to fix.",
+			  __func__, inode->i_ino);
 		return false;
 	}
 
 	if (f2fs_has_extra_attr(inode) &&
-			!f2fs_sb_has_extra_attr(sbi->sb)) {
+			!f2fs_sb_has_extra_attr(sbi)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx) is with extra_attr, "
-			"but extra_attr feature is off",
-			__func__, inode->i_ino);
+		f2fs_warn(sbi, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off",
+			  __func__, inode->i_ino);
 		return false;
 	}
 
 	if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
 			fi->i_extra_isize % sizeof(__le32)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx) has corrupted i_extra_isize: %d, "
-			"max: %zu",
-			__func__, inode->i_ino, fi->i_extra_isize,
-			F2FS_TOTAL_EXTRA_ATTR_SIZE);
+		f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu",
+			  __func__, inode->i_ino, fi->i_extra_isize,
+			  F2FS_TOTAL_EXTRA_ATTR_SIZE);
+		return false;
+	}
+
+	if (f2fs_has_extra_attr(inode) &&
+		f2fs_sb_has_flexible_inline_xattr(sbi) &&
+		f2fs_has_inline_xattr(inode) &&
+		(!fi->i_inline_xattr_size ||
+		fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) {
+		set_sbi_flag(sbi, SBI_NEED_FSCK);
+		f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu",
+			  __func__, inode->i_ino, fi->i_inline_xattr_size,
+			  MAX_INLINE_XATTR_SIZE);
 		return false;
 	}
 
@@ -255,15 +259,14 @@
 		struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest;
 
 		if (ei->len &&
-			(!f2fs_is_valid_blkaddr(sbi, ei->blk, DATA_GENERIC) ||
+			(!f2fs_is_valid_blkaddr(sbi, ei->blk,
+						DATA_GENERIC_ENHANCE) ||
 			!f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
-							DATA_GENERIC))) {
+						DATA_GENERIC_ENHANCE))) {
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"%s: inode (ino=%lx) extent info [%u, %u, %u] "
-				"is incorrect, run fsck to fix",
-				__func__, inode->i_ino,
-				ei->blk, ei->fofs, ei->len);
+			f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix",
+				  __func__, inode->i_ino,
+				  ei->blk, ei->fofs, ei->len);
 			return false;
 		}
 	}
@@ -271,19 +274,15 @@
 	if (f2fs_has_inline_data(inode) &&
 			(!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx, mode=%u) should not have "
-			"inline_data, run fsck to fix",
-			__func__, inode->i_ino, inode->i_mode);
+		f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix",
+			  __func__, inode->i_ino, inode->i_mode);
 		return false;
 	}
 
 	if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx, mode=%u) should not have "
-			"inline_dentry, run fsck to fix",
-			__func__, inode->i_ino, inode->i_mode);
+		f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix",
+			  __func__, inode->i_ino, inode->i_mode);
 		return false;
 	}
 
@@ -330,6 +329,8 @@
 					le16_to_cpu(ri->i_gc_failures);
 	fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
 	fi->i_flags = le32_to_cpu(ri->i_flags);
+	if (S_ISREG(inode->i_mode))
+		fi->i_flags &= ~F2FS_PROJINHERIT_FL;
 	fi->flags = 0;
 	fi->i_advise = ri->i_advise;
 	fi->i_pino = le32_to_cpu(ri->i_pino);
@@ -343,7 +344,7 @@
 	fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
 					le16_to_cpu(ri->i_extra_isize) : 0;
 
-	if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) {
+	if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
 		fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
 	} else if (f2fs_has_inline_xattr(inode) ||
 				f2fs_has_inline_dentry(inode)) {
@@ -361,7 +362,7 @@
 
 	if (!sanity_check_inode(inode, node_page)) {
 		f2fs_put_page(node_page, 1);
-		return -EINVAL;
+		return -EFSCORRUPTED;
 	}
 
 	/* check data exist */
@@ -393,14 +394,14 @@
 	if (fi->i_flags & F2FS_PROJINHERIT_FL)
 		set_inode_flag(inode, FI_PROJ_INHERIT);
 
-	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) &&
+	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi) &&
 			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
 		i_projid = (projid_t)le32_to_cpu(ri->i_projid);
 	else
 		i_projid = F2FS_DEF_PROJID;
 	fi->i_projid = make_kprojid(&init_user_ns, i_projid);
 
-	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
+	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi) &&
 			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
 		fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
 		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
@@ -456,7 +457,7 @@
 		inode->i_mapping->a_ops = &f2fs_dblock_aops;
 		inode_nohighmem(inode);
 	} else if (S_ISLNK(inode->i_mode)) {
-		if (f2fs_encrypted_inode(inode))
+		if (file_is_encrypt(inode))
 			inode->i_op = &f2fs_encrypted_symlink_inode_operations;
 		else
 			inode->i_op = &f2fs_symlink_inode_operations;
@@ -476,6 +477,7 @@
 	return inode;
 
 bad_inode:
+	f2fs_inode_synced(inode);
 	iget_failed(inode);
 	trace_f2fs_iget_exit(inode, ret);
 	return ERR_PTR(ret);
@@ -500,7 +502,7 @@
 	struct f2fs_inode *ri;
 	struct extent_tree *et = F2FS_I(inode)->extent_tree;
 
-	f2fs_wait_on_page_writeback(node_page, NODE, true);
+	f2fs_wait_on_page_writeback(node_page, NODE, true, true);
 	set_page_dirty(node_page);
 
 	f2fs_inode_synced(inode);
@@ -545,11 +547,11 @@
 	if (f2fs_has_extra_attr(inode)) {
 		ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
 
-		if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)->sb))
+		if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)))
 			ri->i_inline_xattr_size =
 				cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
 
-		if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) &&
+		if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)) &&
 			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
 								i_projid)) {
 			projid_t i_projid;
@@ -559,7 +561,7 @@
 			ri->i_projid = cpu_to_le32(i_projid);
 		}
 
-		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
+		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) &&
 			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
 								i_crtime)) {
 			ri->i_crtime =
@@ -616,6 +618,9 @@
 	if (!is_inode_flag_set(inode, FI_DIRTY_INODE))
 		return 0;
 
+	if (!f2fs_is_checkpoint_ready(sbi))
+		return -ENOSPC;
+
 	/*
 	 * We need to balance fs here to prevent from producing dirty node pages
 	 * during the urgent cleaning time when runing out of free sections.
@@ -654,7 +659,11 @@
 	if (inode->i_nlink || is_bad_inode(inode))
 		goto no_delete;
 
-	dquot_initialize(inode);
+	err = dquot_initialize(inode);
+	if (err) {
+		err = 0;
+		set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+	}
 
 	f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
 	f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
@@ -686,9 +695,11 @@
 		goto retry;
 	}
 
-	if (err)
+	if (err) {
 		f2fs_update_inode_page(inode);
-	dquot_free_inode(inode);
+		if (dquot_initialize_needed(inode))
+			set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+	}
 	sb_end_intwrite(inode->i_sb);
 no_delete:
 	dquot_drop(inode);
@@ -697,7 +708,8 @@
 	stat_dec_inline_dir(inode);
 	stat_dec_inline_inode(inode);
 
-	if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG)))
+	if (likely(!f2fs_cp_error(sbi) &&
+				!is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
 		f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
 	else
 		f2fs_inode_synced(inode);
@@ -726,6 +738,7 @@
 	}
 out_clear:
 	fscrypt_put_encryption_info(inode);
+	fsverity_cleanup_inode(inode);
 	clear_inode(inode);
 }
 
@@ -760,8 +773,7 @@
 	err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
 	if (err) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"May loss orphan inode, run fsck to fix.");
+		f2fs_warn(sbi, "May loss orphan inode, run fsck to fix.");
 		goto out;
 	}
 
@@ -769,8 +781,7 @@
 		err = f2fs_acquire_orphan_inode(sbi);
 		if (err) {
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"Too many orphan inodes, run fsck to fix.");
+			f2fs_warn(sbi, "Too many orphan inodes, run fsck to fix.");
 		} else {
 			f2fs_add_orphan_inode(inode);
 		}