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From: Lukas Czerner <lczerner@redhat.com>
To: linux-ext4@vger.kernel.org
Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk
Subject: [PATCH v2 13/17] ext4: add ext4_reconfigure for the new mount API
Date: Tue, 28 Apr 2020 18:45:32 +0200	[thread overview]
Message-ID: <20200428164536.462-14-lczerner@redhat.com> (raw)
In-Reply-To: <20200428164536.462-1-lczerner@redhat.com>

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
 fs/ext4/super.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a340b4943544..9e10c42c300c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -94,6 +94,7 @@ static int ext4_check_opt_consistency(struct fs_context *fc,
 static void ext4_apply_options(struct fs_context *fc, struct super_block *sb);
 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);
 
 /*
  * Lock ordering
@@ -126,6 +127,7 @@ static int ext4_get_tree(struct fs_context *fc);
 static const struct fs_context_operations ext4_context_ops = {
 	.parse_param	= ext4_parse_param,
 	.get_tree	= ext4_get_tree,
+	.reconfigure	= ext4_reconfigure,
 };
 
 #if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT2)
@@ -6237,6 +6239,25 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 	return ret;
 }
 
+static int ext4_reconfigure(struct fs_context *fc)
+{
+	struct super_block *sb = fc->root->d_sb;
+	int flags = fc->sb_flags;
+	int ret;
+
+	fc->s_fs_info = EXT4_SB(sb);
+
+	ret = ext4_check_opt_consistency(fc, sb);
+	if (ret < 0)
+		return ret;
+
+	ret = __ext4_remount(fc, sb, &flags);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 #ifdef CONFIG_QUOTA
 static int ext4_statfs_project(struct super_block *sb,
 			       kprojid_t projid, struct kstatfs *buf)
-- 
2.21.1


  parent reply	other threads:[~2020-04-28 16:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-28 16:45 [PATCH v2 00/17] ext4: new mount API conversion Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 01/17] fs_parse: allow parameter value to be empty Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 02/17] ext4: Add fs parameter specifications for mount options Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 03/17] ext4: move option validation to a separate function Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 04/17] ext4: Change handle_mount_opt() to use fs_parameter Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 05/17] ext4: Allow sb to be NULL in ext4_msg() Lukas Czerner
2020-04-28 16:48   ` Christoph Hellwig
2020-04-28 16:57     ` Lukas Czerner
2020-04-29  2:53       ` Ian Kent
2020-04-29 11:09         ` Christoph Hellwig
2020-04-29  2:38   ` Eric Sandeen
2020-04-29 11:02     ` Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 06/17] ext4: move quota configuration out of handle_mount_opt() Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 07/17] ext4: check ext2/3 compatibility outside handle_mount_opt() Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 08/17] ext4: get rid of super block and sbi from handle_mount_ops() Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 09/17] ext4: parse Opt_sb in handle_mount_opt() Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 10/17] ext4: clean up return values " Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 11/17] ext4: add ext4_get_tree for the new mount API Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 12/17] ext4: refactor ext4_remount() Lukas Czerner
2020-04-28 16:45 ` Lukas Czerner [this message]
2020-04-28 16:45 ` [PATCH v2 14/17] ext4: add ext4_fc_free for the new mount API Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 15/17] ext4: change token2str() to use ext4_param_specs Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 16/17] ext4: switch to the new mount API Lukas Czerner
2020-04-28 16:45 ` [PATCH v2 17/17] ext4: Remove unused code from old mount api Lukas Czerner

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