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env: ext4: introduce new function env_ext4_save_buffer 

Split the function env_ext4_save to prepare the erase support.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2020-07-28 11:51:25 +02:00 committed by Tom Rini
parent ad04576b27
commit f6de047e02
1 changed files with 20 additions and 8 deletions
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28
env/ext4.c vendored
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@ -44,9 +44,8 @@ __weak const char *env_ext4_get_dev_part(void)
return (const char *)CONFIG_ENV_EXT4_DEVICE_AND_PART;
}
static int env_ext4_save(void)
static int env_ext4_save_buffer(env_t *env_new)
{
env_t env_new;
struct blk_desc *dev_desc = NULL;
struct disk_partition info;
int dev, part;
@ -54,10 +53,6 @@ static int env_ext4_save(void)
const char *ifname = env_ext4_get_intf();
const char *dev_and_part = env_ext4_get_dev_part();
err = env_export(&env_new);
if (err)
return err;
part = blk_get_device_part_str(ifname, dev_and_part,
&dev_desc, &info, 1);
if (part < 0)
@ -72,7 +67,7 @@ static int env_ext4_save(void)
return 1;
}
err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)&env_new,
err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)env_new,
sizeof(env_t), FILETYPE_REG);
ext4fs_close();
@ -81,9 +76,26 @@ static int env_ext4_save(void)
CONFIG_ENV_EXT4_FILE, ifname, dev, part);
return 1;
}
gd->env_valid = ENV_VALID;
return 0;
}
static int env_ext4_save(void)
{
env_t env_new;
int err;
err = env_export(&env_new);
if (err)
return err;
err = env_ext4_save_buffer(&env_new);
if (err)
return err;
gd->env_valid = ENV_VALID;
puts("done\n");
return 0;
}