You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
281 lines
8.0 KiB
281 lines
8.0 KiB
#include "sdfat.h"
|
|
|
|
#define SDFAT_VF_CLUS_MAX 7 /* 512 Byte ~ 32 KByte */
|
|
#define SDFAT_EF_CLUS_MAX 17 /* 512 Byte ~ 32 MByte */
|
|
|
|
enum {
|
|
SDFAT_MNT_FAT12,
|
|
SDFAT_MNT_FAT16,
|
|
SDFAT_MNT_FAT32,
|
|
SDFAT_MNT_EXFAT,
|
|
SDFAT_MNT_RO,
|
|
SDFAT_MNT_MAX
|
|
};
|
|
|
|
enum {
|
|
SDFAT_OP_EXFAT_MNT,
|
|
SDFAT_OP_MKDIR,
|
|
SDFAT_OP_CREATE,
|
|
SDFAT_OP_READ,
|
|
SDFAT_OP_WRITE,
|
|
SDFAT_OP_TRUNC,
|
|
SDFAT_OP_MAX
|
|
};
|
|
|
|
enum {
|
|
SDFAT_VOL_4G,
|
|
SDFAT_VOL_8G,
|
|
SDFAT_VOL_16G,
|
|
SDFAT_VOL_32G,
|
|
SDFAT_VOL_64G,
|
|
SDFAT_VOL_128G,
|
|
SDFAT_VOL_256G,
|
|
SDFAT_VOL_512G,
|
|
SDFAT_VOL_XTB,
|
|
SDFAT_VOL_MAX
|
|
};
|
|
|
|
static struct sdfat_statistics {
|
|
u32 clus_vfat[SDFAT_VF_CLUS_MAX];
|
|
u32 clus_exfat[SDFAT_EF_CLUS_MAX];
|
|
u32 mnt_cnt[SDFAT_MNT_MAX];
|
|
u32 nofat_op[SDFAT_OP_MAX];
|
|
u32 vol_size[SDFAT_VOL_MAX];
|
|
} statistics;
|
|
|
|
static struct kset *sdfat_statistics_kset;
|
|
|
|
static ssize_t vfat_cl_show(struct kobject *kobj,
|
|
struct kobj_attribute *attr, char *buff)
|
|
{
|
|
return snprintf(buff, PAGE_SIZE, "\"VCL_512B_I\":\"%u\","
|
|
"\"VCL_1K_I\":\"%u\",\"VCL_2K_I\":\"%u\","
|
|
"\"VCL_4K_I\":\"%u\",\"VCL_8K_I\":\"%u\","
|
|
"\"VCL_16K_I\":\"%u\",\"VCL_32K_I\":\"%u\"\n",
|
|
statistics.clus_vfat[0], statistics.clus_vfat[1],
|
|
statistics.clus_vfat[2], statistics.clus_vfat[3],
|
|
statistics.clus_vfat[4], statistics.clus_vfat[5],
|
|
statistics.clus_vfat[6]);
|
|
}
|
|
|
|
static ssize_t exfat_cl_show(struct kobject *kobj,
|
|
struct kobj_attribute *attr, char *buff)
|
|
{
|
|
return snprintf(buff, PAGE_SIZE, "\"ECL_512B_I\":\"%u\","
|
|
"\"ECL_1K_I\":\"%u\",\"ECL_2K_I\":\"%u\","
|
|
"\"ECL_4K_I\":\"%u\",\"ECL_8K_I\":\"%u\","
|
|
"\"ECL_16K_I\":\"%u\",\"ECL_32K_I\":\"%u\","
|
|
"\"ECL_64K_I\":\"%u\",\"ECL_128K_I\":\"%u\","
|
|
"\"ECL_256K_I\":\"%u\",\"ECL_512K_I\":\"%u\","
|
|
"\"ECL_1M_I\":\"%u\",\"ECL_2M_I\":\"%u\","
|
|
"\"ECL_4M_I\":\"%u\",\"ECL_8M_I\":\"%u\","
|
|
"\"ECL_16M_I\":\"%u\",\"ECL_32M_I\":\"%u\"\n",
|
|
statistics.clus_exfat[0], statistics.clus_exfat[1],
|
|
statistics.clus_exfat[2], statistics.clus_exfat[3],
|
|
statistics.clus_exfat[4], statistics.clus_exfat[5],
|
|
statistics.clus_exfat[6], statistics.clus_exfat[7],
|
|
statistics.clus_exfat[8], statistics.clus_exfat[9],
|
|
statistics.clus_exfat[10], statistics.clus_exfat[11],
|
|
statistics.clus_exfat[12], statistics.clus_exfat[13],
|
|
statistics.clus_exfat[14], statistics.clus_exfat[15],
|
|
statistics.clus_exfat[16]);
|
|
}
|
|
|
|
static ssize_t mount_show(struct kobject *kobj,
|
|
struct kobj_attribute *attr, char *buff)
|
|
{
|
|
return snprintf(buff, PAGE_SIZE, "\"FAT12_MNT_I\":\"%u\","
|
|
"\"FAT16_MNT_I\":\"%u\",\"FAT32_MNT_I\":\"%u\","
|
|
"\"EXFAT_MNT_I\":\"%u\",\"RO_MNT_I\":\"%u\"\n",
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT12],
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT16],
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT32],
|
|
statistics.mnt_cnt[SDFAT_MNT_EXFAT],
|
|
statistics.mnt_cnt[SDFAT_MNT_RO]);
|
|
}
|
|
|
|
static ssize_t nofat_op_show(struct kobject *kobj,
|
|
struct kobj_attribute *attr, char *buff)
|
|
{
|
|
return snprintf(buff, PAGE_SIZE, "\"NOFAT_MOUNT_I\":\"%u\","
|
|
"\"NOFAT_MKDIR_I\":\"%u\",\"NOFAT_CREATE_I\":\"%u\","
|
|
"\"NOFAT_READ_I\":\"%u\",\"NOFAT_WRITE_I\":\"%u\","
|
|
"\"NOFAT_TRUNC_I\":\"%u\"\n",
|
|
statistics.nofat_op[SDFAT_OP_EXFAT_MNT],
|
|
statistics.nofat_op[SDFAT_OP_MKDIR],
|
|
statistics.nofat_op[SDFAT_OP_CREATE],
|
|
statistics.nofat_op[SDFAT_OP_READ],
|
|
statistics.nofat_op[SDFAT_OP_WRITE],
|
|
statistics.nofat_op[SDFAT_OP_TRUNC]);
|
|
}
|
|
|
|
static ssize_t vol_size_show(struct kobject *kobj,
|
|
struct kobj_attribute *attr, char *buff)
|
|
{
|
|
return snprintf(buff, PAGE_SIZE, "\"VOL_4G_I\":\"%u\","
|
|
"\"VOL_8G_I\":\"%u\",\"VOL_16G_I\":\"%u\","
|
|
"\"VOL_32G_I\":\"%u\",\"VOL_64G_I\":\"%u\","
|
|
"\"VOL_128G_I\":\"%u\",\"VOL_256G_I\":\"%u\","
|
|
"\"VOL_512G_I\":\"%u\",\"VOL_XTB_I\":\"%u\"\n",
|
|
statistics.vol_size[SDFAT_VOL_4G],
|
|
statistics.vol_size[SDFAT_VOL_8G],
|
|
statistics.vol_size[SDFAT_VOL_16G],
|
|
statistics.vol_size[SDFAT_VOL_32G],
|
|
statistics.vol_size[SDFAT_VOL_64G],
|
|
statistics.vol_size[SDFAT_VOL_128G],
|
|
statistics.vol_size[SDFAT_VOL_256G],
|
|
statistics.vol_size[SDFAT_VOL_512G],
|
|
statistics.vol_size[SDFAT_VOL_XTB]);
|
|
}
|
|
|
|
static struct kobj_attribute vfat_cl_attr = __ATTR_RO(vfat_cl);
|
|
static struct kobj_attribute exfat_cl_attr = __ATTR_RO(exfat_cl);
|
|
static struct kobj_attribute mount_attr = __ATTR_RO(mount);
|
|
static struct kobj_attribute nofat_op_attr = __ATTR_RO(nofat_op);
|
|
static struct kobj_attribute vol_size_attr = __ATTR_RO(vol_size);
|
|
|
|
static struct attribute *attributes_statistics[] = {
|
|
&vfat_cl_attr.attr,
|
|
&exfat_cl_attr.attr,
|
|
&mount_attr.attr,
|
|
&nofat_op_attr.attr,
|
|
&vol_size_attr.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct attribute_group attr_group_statistics = {
|
|
.attrs = attributes_statistics,
|
|
};
|
|
|
|
int sdfat_statistics_init(struct kset *sdfat_kset)
|
|
{
|
|
int err;
|
|
|
|
sdfat_statistics_kset = kset_create_and_add("statistics", NULL, &sdfat_kset->kobj);
|
|
if (!sdfat_statistics_kset) {
|
|
pr_err("[SDFAT] failed to create sdfat statistics kobj\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
err = sysfs_create_group(&sdfat_statistics_kset->kobj, &attr_group_statistics);
|
|
if (err) {
|
|
pr_err("[SDFAT] failed to create sdfat statistics attributes\n");
|
|
kset_unregister(sdfat_statistics_kset);
|
|
sdfat_statistics_kset = NULL;
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void sdfat_statistics_uninit(void)
|
|
{
|
|
if (sdfat_statistics_kset) {
|
|
sysfs_remove_group(&sdfat_statistics_kset->kobj, &attr_group_statistics);
|
|
kset_unregister(sdfat_statistics_kset);
|
|
sdfat_statistics_kset = NULL;
|
|
}
|
|
memset(&statistics, 0, sizeof(struct sdfat_statistics));
|
|
}
|
|
|
|
void sdfat_statistics_set_mnt(FS_INFO_T *fsi)
|
|
{
|
|
if (fsi->vol_type == EXFAT) {
|
|
statistics.mnt_cnt[SDFAT_MNT_EXFAT]++;
|
|
statistics.nofat_op[SDFAT_OP_EXFAT_MNT] = 1;
|
|
if (fsi->sect_per_clus_bits < SDFAT_EF_CLUS_MAX)
|
|
statistics.clus_exfat[fsi->sect_per_clus_bits]++;
|
|
else
|
|
statistics.clus_exfat[SDFAT_EF_CLUS_MAX - 1]++;
|
|
return;
|
|
}
|
|
|
|
if (fsi->vol_type == FAT32)
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT32]++;
|
|
else if (fsi->vol_type == FAT16)
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT16]++;
|
|
else if (fsi->vol_type == FAT12)
|
|
statistics.mnt_cnt[SDFAT_MNT_FAT12]++;
|
|
|
|
if (fsi->sect_per_clus_bits < SDFAT_VF_CLUS_MAX)
|
|
statistics.clus_vfat[fsi->sect_per_clus_bits]++;
|
|
else
|
|
statistics.clus_vfat[SDFAT_VF_CLUS_MAX - 1]++;
|
|
}
|
|
|
|
void sdfat_statistics_set_mnt_ro(void)
|
|
{
|
|
statistics.mnt_cnt[SDFAT_MNT_RO]++;
|
|
}
|
|
|
|
void sdfat_statistics_set_mkdir(u8 flags)
|
|
{
|
|
if (flags != 0x03)
|
|
return;
|
|
statistics.nofat_op[SDFAT_OP_MKDIR] = 1;
|
|
}
|
|
|
|
void sdfat_statistics_set_create(u8 flags)
|
|
{
|
|
if (flags != 0x03)
|
|
return;
|
|
statistics.nofat_op[SDFAT_OP_CREATE] = 1;
|
|
}
|
|
|
|
/* flags : file or dir flgas, 0x03 means no fat-chain.
|
|
* clu_offset : file or dir logical cluster offset
|
|
* create : BMAP_ADD_CLUSTER or not
|
|
*
|
|
* File or dir have BMAP_ADD_CLUSTER is no fat-chain write
|
|
* when they have 0x03 flag and two or more clusters.
|
|
* And don`t have BMAP_ADD_CLUSTER is no fat-chain read
|
|
* when above same condition.
|
|
*/
|
|
void sdfat_statistics_set_rw(u8 flags, u32 clu_offset, s32 create)
|
|
{
|
|
if ((flags == 0x03) && (clu_offset > 1)) {
|
|
if (create)
|
|
statistics.nofat_op[SDFAT_OP_WRITE] = 1;
|
|
else
|
|
statistics.nofat_op[SDFAT_OP_READ] = 1;
|
|
}
|
|
}
|
|
|
|
/* flags : file or dir flgas, 0x03 means no fat-chain.
|
|
* clu : cluster chain
|
|
*
|
|
* Set no fat-chain trunc when file or dir have 0x03 flag
|
|
* and two or more clusters.
|
|
*/
|
|
void sdfat_statistics_set_trunc(u8 flags, CHAIN_T *clu)
|
|
{
|
|
if ((flags == 0x03) && (clu->size > 1))
|
|
statistics.nofat_op[SDFAT_OP_TRUNC] = 1;
|
|
}
|
|
|
|
void sdfat_statistics_set_vol_size(struct super_block *sb)
|
|
{
|
|
u64 vol_size;
|
|
FS_INFO_T *fsi = &(SDFAT_SB(sb)->fsi);
|
|
|
|
vol_size = (u64)fsi->num_sectors << sb->s_blocksize_bits;
|
|
|
|
if (vol_size <= ((u64)1 << 32))
|
|
statistics.vol_size[SDFAT_VOL_4G]++;
|
|
else if (vol_size <= ((u64)1 << 33))
|
|
statistics.vol_size[SDFAT_VOL_8G]++;
|
|
else if (vol_size <= ((u64)1 << 34))
|
|
statistics.vol_size[SDFAT_VOL_16G]++;
|
|
else if (vol_size <= ((u64)1 << 35))
|
|
statistics.vol_size[SDFAT_VOL_32G]++;
|
|
else if (vol_size <= ((u64)1 << 36))
|
|
statistics.vol_size[SDFAT_VOL_64G]++;
|
|
else if (vol_size <= ((u64)1 << 37))
|
|
statistics.vol_size[SDFAT_VOL_128G]++;
|
|
else if (vol_size <= ((u64)1 << 38))
|
|
statistics.vol_size[SDFAT_VOL_256G]++;
|
|
else if (vol_size <= ((u64)1 << 39))
|
|
statistics.vol_size[SDFAT_VOL_512G]++;
|
|
else
|
|
statistics.vol_size[SDFAT_VOL_XTB]++;
|
|
}
|
|
|