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authorLukas Czerner <lczerner@redhat.com>2021-10-27 16:18:54 +0200
committerTheodore Ts'o <tytso@mit.edu>2021-12-09 14:11:08 -0500
commit02f960f8db1cd0aa9c182f8804b2b41ffd2c37b2 (patch)
tree6fcf6dcbf0e5674404372ab8aa4940b5215ca873 /fs/ext4
parentext4: Completely separate options parsing and sb setup (diff)
downloadlinux-dev-02f960f8db1cd0aa9c182f8804b2b41ffd2c37b2.tar.xz
linux-dev-02f960f8db1cd0aa9c182f8804b2b41ffd2c37b2.zip
ext4: clean up return values in handle_mount_opt()
Clean up return values in handle_mount_opt() and rename the function to ext4_parse_param() Now we can use it in fs_context_operations as .parse_param. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-11-lczerner@redhat.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4e443657d88e..ebde5fb67222 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -92,6 +92,7 @@ static int ext4_validate_options(struct fs_context *fc);
static int ext4_check_opt_consistency(struct fs_context *fc,
struct super_block *sb);
static int ext4_apply_options(struct fs_context *fc, struct super_block *sb);
+static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *param);
/*
* Lock ordering
@@ -119,6 +120,11 @@ static int ext4_apply_options(struct fs_context *fc, struct super_block *sb);
* transaction start -> page lock(s) -> i_data_sem (rw)
*/
+static const struct fs_context_operations ext4_context_ops = {
+ .parse_param = ext4_parse_param,
+};
+
+
#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,
@@ -2276,7 +2282,7 @@ EXT4_SET_CTX(mount_opt);
EXT4_SET_CTX(mount_opt2);
EXT4_SET_CTX(mount_flags);
-static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
+static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *param)
{
struct ext4_fs_context *ctx = fc->fs_private;
struct fs_parse_result result;
@@ -2317,30 +2323,30 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
ctx->s_sb_block = result.uint_32;
ctx->spec |= EXT4_SPEC_s_sb_block;
}
- return 1;
+ return 0;
case Opt_removed:
ext4_msg(NULL, KERN_WARNING, "Ignoring removed %s option",
param->key);
- return 1;
+ return 0;
case Opt_abort:
ctx_set_mount_flags(ctx, EXT4_MF_FS_ABORTED);
- return 1;
+ return 0;
case Opt_i_version:
ctx_set_flags(ctx, SB_I_VERSION);
- return 1;
+ return 0;
case Opt_lazytime:
ctx_set_flags(ctx, SB_LAZYTIME);
- return 1;
+ return 0;
case Opt_nolazytime:
ctx_clear_flags(ctx, SB_LAZYTIME);
- return 1;
+ return 0;
case Opt_inlinecrypt:
#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
ctx_set_flags(ctx, SB_INLINECRYPT);
#else
ext4_msg(NULL, KERN_ERR, "inline encryption not supported");
#endif
- return 1;
+ return 0;
case Opt_errors:
case Opt_data:
case Opt_data_err:
@@ -2492,7 +2498,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
if (param->type == fs_value_is_flag) {
ctx->spec |= EXT4_SPEC_DUMMY_ENCRYPTION;
ctx->test_dummy_enc_arg = NULL;
- return 1;
+ return 0;
}
if (*param->string &&
!(!strcmp(param->string, "v1") ||
@@ -2583,7 +2589,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
ctx_clear_mount_opt(ctx, m->mount_opt);
}
}
- return 1;
+ return 0;
}
static int parse_options(struct fs_context *fc, char *options)
@@ -2619,7 +2625,7 @@ static int parse_options(struct fs_context *fc, char *options)
param.key = key;
param.size = v_len;
- ret = handle_mount_opt(fc, &param);
+ ret = ext4_parse_param(fc, &param);
if (param.string)
kfree(param.string);
if (ret < 0)