diff options
Diffstat (limited to 'fs/erofs/sysfs.c')
| -rw-r--r-- | fs/erofs/sysfs.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c index c6650350c4cd..eed8797a193f 100644 --- a/fs/erofs/sysfs.c +++ b/fs/erofs/sysfs.c @@ -7,12 +7,14 @@ #include <linux/kobject.h> #include "internal.h" +#include "compress.h" enum { attr_feature, attr_drop_caches, attr_pointer_ui, attr_pointer_bool, + attr_accel, }; enum { @@ -60,14 +62,25 @@ static struct erofs_attr erofs_attr_##_name = { \ EROFS_ATTR_RW_UI(sync_decompress, erofs_mount_opts); EROFS_ATTR_FUNC(drop_caches, 0200); #endif +#ifdef CONFIG_EROFS_FS_ZIP_ACCEL +EROFS_ATTR_FUNC(accel, 0644); +#endif -static struct attribute *erofs_attrs[] = { +static struct attribute *erofs_sb_attrs[] = { #ifdef CONFIG_EROFS_FS_ZIP ATTR_LIST(sync_decompress), ATTR_LIST(drop_caches), #endif NULL, }; +ATTRIBUTE_GROUPS(erofs_sb); + +static struct attribute *erofs_attrs[] = { +#ifdef CONFIG_EROFS_FS_ZIP_ACCEL + ATTR_LIST(accel), +#endif + NULL, +}; ATTRIBUTE_GROUPS(erofs); /* Features this copy of erofs supports */ @@ -128,12 +141,14 @@ static ssize_t erofs_attr_show(struct kobject *kobj, if (!ptr) return 0; return sysfs_emit(buf, "%d\n", *(bool *)ptr); + case attr_accel: + return z_erofs_crypto_show_engines(buf, PAGE_SIZE, '\n'); } return 0; } static ssize_t erofs_attr_store(struct kobject *kobj, struct attribute *attr, - const char *buf, size_t len) + const char *buf, size_t len) { struct erofs_sb_info *sbi = container_of(kobj, struct erofs_sb_info, s_kobj); @@ -182,6 +197,19 @@ static ssize_t erofs_attr_store(struct kobject *kobj, struct attribute *attr, invalidate_mapping_pages(MNGD_MAPPING(sbi), 0, -1); return len; #endif +#ifdef CONFIG_EROFS_FS_ZIP_ACCEL + case attr_accel: + buf = skip_spaces(buf); + z_erofs_crypto_disable_all_engines(); + while (*buf) { + t = strcspn(buf, "\n"); + ret = z_erofs_crypto_enable_engine(buf, t); + if (ret < 0) + return ret; + buf += buf[t] != '\0' ? t + 1 : t; + } + return len; +#endif } return 0; } @@ -199,12 +227,13 @@ static const struct sysfs_ops erofs_attr_ops = { }; static const struct kobj_type erofs_sb_ktype = { - .default_groups = erofs_groups, + .default_groups = erofs_sb_groups, .sysfs_ops = &erofs_attr_ops, .release = erofs_sb_release, }; static const struct kobj_type erofs_ktype = { + .default_groups = erofs_groups, .sysfs_ops = &erofs_attr_ops, }; |