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 13/17] ext4: add ext4_reconfigure for the new mount API
Date: Wed, 6 Nov 2019 11:14:53 +0100 [thread overview]
Message-ID: <20191106101457.11237-14-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 | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f863fddc3df3..471fe7b6ad9e 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)
@@ -6113,6 +6115,25 @@ 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)
--
2.21.0
next prev 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 ` Lukas Czerner [this message]
2019-11-06 10:14 ` [PATCH 14/17] ext4: add ext4_fc_free for the new mount API Lukas Czerner
2019-11-06 10:14 ` [PATCH 15/17] ext4: switch to " Lukas Czerner
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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