diff options
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 5963316f391a..f698ec883034 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -154,6 +154,9 @@ static ssize_t features_show(struct f2fs_attr *a, if (f2fs_sb_has_casefold(sbi)) len += snprintf(buf + len, PAGE_SIZE - len, "%s%s", len ? ", " : "", "casefold"); + if (f2fs_sb_has_compression(sbi)) + len += snprintf(buf + len, PAGE_SIZE - len, "%s%s", + len ? ", " : "", "compression"); len += snprintf(buf + len, PAGE_SIZE - len, "%s%s", len ? ", " : "", "pin_file"); len += snprintf(buf + len, PAGE_SIZE - len, "\n"); @@ -389,6 +392,7 @@ enum feat_id { FEAT_VERITY, FEAT_SB_CHECKSUM, FEAT_CASEFOLD, + FEAT_COMPRESSION, }; static ssize_t f2fs_feature_show(struct f2fs_attr *a, @@ -408,6 +412,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a, case FEAT_VERITY: case FEAT_SB_CHECKSUM: case FEAT_CASEFOLD: + case FEAT_COMPRESSION: return snprintf(buf, PAGE_SIZE, "supported\n"); } return 0; @@ -503,6 +508,7 @@ F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY); #endif F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM); F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD); +F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION); #define ATTR_LIST(name) (&f2fs_attr_##name.attr) static struct attribute *f2fs_attrs[] = { @@ -573,6 +579,7 @@ static struct attribute *f2fs_feat_attrs[] = { #endif ATTR_LIST(sb_checksum), ATTR_LIST(casefold), + ATTR_LIST(compression), NULL, }; ATTRIBUTE_GROUPS(f2fs_feat); |