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mkfs.f2fs: set project quota by default for -g android for v4.14+

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commit 0d3d26dd26f528edbfa972cad3439daa2972020d
category: bugfix
issue: #I6VAS0
CVE: NA

Signed-off-by: DongSenhao <dongsenhao2@huawei.com>
---------------------------------------

With this patch, "-g android" enables project quota only by default, if the
kernel is over v4.14. Otherwise, it enables usr/grp/proj all together.

1) -O quota : enables usr/grp
2) -O project_quota -O extra_attr : enabled prj
3) -O quota -O project_quota -O extra_attr : enables usr/grp/proj
4) -g android : enables proj (4.14+), usr/grp/proj (old kernel)
5) -g android -O project_quota -O extra_attr : enables usr/grp/proj

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: dongsenhao <dongsenhao2@huawei.com>
This commit is contained in:
Jaegeuk Kim 2022-01-13 10:24:56 -08:00 committed by dongsenhao
parent 2ecd0c220f
commit 55c68bc9b9
1 changed files with 33 additions and 2 deletions
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35
mkfs/f2fs_format_main.c
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@ -14,6 +14,7 @@
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
#include <sys/stat.h>
#ifndef ANDROID_WINDOWS_HOST
@ -33,6 +34,9 @@
#include "quota.h"
#include "f2fs_format_utils.h"
#ifdef HAVE_SYS_UTSNAME_H
#include <sys/utsname.h>
#endif
#ifdef WITH_ANDROID
#include <sparse/sparse.h>
extern struct sparse_file *f2fs_sparse_file;
@ -106,11 +110,34 @@ static void f2fs_show_info()
MSG(0, "Info: Enable Compression\n");
}
#if defined(ANDROID_TARGET) && defined(HAVE_SYS_UTSNAME_H)
static bool kernel_version_over(unsigned int min_major, unsigned int min_minor)
{
unsigned int major, minor;
struct utsname uts;
if ((uname(&uts) != 0) ||
(sscanf(uts.release, "%u.%u", &major, &minor) != 2))
return false;
if (major > min_major)
return true;
if (major == min_major && minor >= min_minor)
return true;
return false;
}
#else
static bool kernel_version_over(unsigned int UNUSED(min_major),
unsigned int UNUSED(min_minor))
{
return false;
}
#endif
static void add_default_options(void)
{
switch (c.defset) {
case CONF_ANDROID:
/* -d1 -f -O encrypt -O quota -O verity -w 4096 -R 0:0 */
/* -d1 -f -w 4096 -R 0:0 */
c.dbg_lv = 1;
force_overwrite = 1;
c.wanted_sector_size = 4096;
@ -120,8 +147,12 @@ static void add_default_options(void)
if (c.feature & cpu_to_le32(F2FS_FEATURE_RO))
return;
/* -O encrypt -O project_quota,extra_attr,{quota} -O verity */
c.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT);
c.feature |= cpu_to_le32(F2FS_FEATURE_QUOTA_INO);
if (!kernel_version_over(4, 14))
c.feature |= cpu_to_le32(F2FS_FEATURE_QUOTA_INO);
c.feature |= cpu_to_le32(F2FS_FEATURE_PRJQUOTA);
c.feature |= cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR);
c.feature |= cpu_to_le32(F2FS_FEATURE_VERITY);
break;
}