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From: Lukas Czerner <lczerner@redhat.com>
To: linux-ext4@vger.kernel.org
Cc: Theodore Ts'o <tytso@mit.edu>,
	David Howells <dhowells@redhat.com>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: [PATCH 15/17] ext4: switch to the new mount API
Date: Wed,  6 Nov 2019 11:14:55 +0100	[thread overview]
Message-ID: <20191106101457.11237-16-lczerner@redhat.com> (raw)
In-Reply-To: <20191106101457.11237-1-lczerner@redhat.com>

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
 fs/ext4/super.c | 50 +++++++++++++++++++++++++++++++++----------------
 1 file changed, 34 insertions(+), 16 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 815f86f1e047..f2f17c11b616 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -96,6 +96,8 @@ static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *param);
 static int ext4_get_tree(struct fs_context *fc);
 static int ext4_reconfigure(struct fs_context *fc);
 static void ext4_fc_free(struct fs_context *fc);
+static int ext4_init_fs_context(struct fs_context *fc);
+static const struct fs_parameter_description ext4_fs_parameters;
 
 /*
  * Lock ordering
@@ -134,11 +136,12 @@ static const struct fs_context_operations ext4_context_ops = {
 
 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT2)
 static struct file_system_type ext2_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "ext2",
-	.mount		= ext4_mount,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
+	.owner			= THIS_MODULE,
+	.name			= "ext2",
+	.init_fs_context	= ext4_init_fs_context,
+	.parameters		= &ext4_fs_parameters,
+	.kill_sb		= kill_block_super,
+	.fs_flags		= FS_REQUIRES_DEV,
 };
 MODULE_ALIAS_FS("ext2");
 MODULE_ALIAS("ext2");
@@ -149,11 +152,12 @@ MODULE_ALIAS("ext2");
 
 
 static struct file_system_type ext3_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "ext3",
-	.mount		= ext4_mount,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
+	.owner			= THIS_MODULE,
+	.name			= "ext3",
+	.init_fs_context	= ext4_init_fs_context,
+	.parameters		= &ext4_fs_parameters,
+	.kill_sb		= kill_block_super,
+	.fs_flags		= FS_REQUIRES_DEV,
 };
 MODULE_ALIAS_FS("ext3");
 MODULE_ALIAS("ext3");
@@ -1439,7 +1443,6 @@ static const struct super_operations ext4_sops = {
 	.freeze_fs	= ext4_freeze,
 	.unfreeze_fs	= ext4_unfreeze,
 	.statfs		= ext4_statfs,
-	.remount_fs	= ext4_remount,
 	.show_options	= ext4_show_options,
 #ifdef CONFIG_QUOTA
 	.quota_read	= ext4_quota_read,
@@ -1887,6 +1890,20 @@ static void ext4_fc_free(struct fs_context *fc)
 	kfree(ctx);
 }
 
+int ext4_init_fs_context(struct fs_context *fc)
+{
+	struct xfs_fs_context	*ctx;
+
+	ctx = kzalloc(sizeof(struct ext4_fs_context), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	fc->fs_private = ctx;
+	fc->ops = &ext4_context_ops;
+
+	return 0;
+}
+
 #ifdef CONFIG_QUOTA
 /*
  * Note the name of the specified quota file.
@@ -6714,11 +6731,12 @@ static inline int ext3_feature_set_ok(struct super_block *sb)
 }
 
 static struct file_system_type ext4_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "ext4",
-	.mount		= ext4_mount,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
+	.owner			= THIS_MODULE,
+	.name			= "ext4",
+	.init_fs_context	= ext4_init_fs_context,
+	.parameters		= &ext4_fs_parameters,
+	.kill_sb		= kill_block_super,
+	.fs_flags		= FS_REQUIRES_DEV,
 };
 MODULE_ALIAS_FS("ext4");
 
-- 
2.21.0


  parent reply	other threads:[~2019-11-06 10:15 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-06 10:14 ext4: new mount API conversion Lukas Czerner
2019-11-06 10:14 ` [PATCH 01/17] vfs: Handle fs_param_neg_with_empty Lukas Czerner
2019-11-06 10:14 ` [PATCH 02/17] ext4: Add fs parameter description Lukas Czerner
2019-12-17  0:44   ` Al Viro
2019-12-17 12:19     ` Lukas Czerner
2019-12-17 15:20       ` Al Viro
2019-12-17 16:34         ` Lukas Czerner
2019-12-24 17:18           ` Al Viro
2019-11-06 10:14 ` [PATCH 03/17] ext4: move option validation to a separate function Lukas Czerner
2019-11-06 10:14 ` [PATCH 04/17] ext4: Change handle_mount_opt() to use fs_parameter Lukas Czerner
2019-11-06 10:14 ` [PATCH 05/17] ext4: Allow sb to be NULL in ext4_msg() Lukas Czerner
2019-11-06 10:14 ` [PATCH 06/17] ext4: move quota configuration out of handle_mount_opt() Lukas Czerner
2019-11-06 10:14 ` [PATCH 07/17] ext4: check ext2/3 compatibility outside handle_mount_opt() Lukas Czerner
2019-11-06 10:14 ` [PATCH 08/17] ext4: get rid of super block and sbi from handle_mount_ops() Lukas Czerner
2019-11-06 10:14 ` [PATCH 09/17] ext4: parse Opt_sb in handle_mount_opt() Lukas Czerner
2019-11-06 10:14 ` [PATCH 10/17] ext4: clean up return values " Lukas Czerner
2019-11-06 10:14 ` [PATCH 11/17] ext4: add ext4_get_tree for the new mount API Lukas Czerner
2019-11-06 10:14 ` [PATCH 12/17] ext4: refactor ext4_remount() Lukas Czerner
2019-11-06 10:14 ` [PATCH 13/17] ext4: add ext4_reconfigure for the new mount API Lukas Czerner
2019-11-06 10:14 ` [PATCH 14/17] ext4: add ext4_fc_free " Lukas Czerner
2019-11-06 10:14 ` Lukas Czerner [this message]
2019-11-06 10:14 ` [PATCH 16/17] ext4: change token2str() to use ext4_param_specs Lukas Czerner
2019-11-06 10:14 ` [PATCH 17/17] ext4: Remove unused code from old mount api Lukas Czerner

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