diff options
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index d27b28e602a6..23a2d8d66c43 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -139,10 +139,19 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a, if (!strcmp(a->attr.name, "extension_list")) { __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list; - int count = le32_to_cpu(sbi->raw_super->extension_count); + int cold_count = le32_to_cpu(sbi->raw_super->extension_count); + int hot_count = sbi->raw_super->hot_ext_count; int len = 0, i; - for (i = 0; i < count; i++) + len += snprintf(buf + len, PAGE_SIZE - len, + "cold file extenstion:\n"); + for (i = 0; i < cold_count; i++) + len += snprintf(buf + len, PAGE_SIZE - len, "%s\n", + extlist[i]); + + len += snprintf(buf + len, PAGE_SIZE - len, + "hot file extenstion:\n"); + for (i = cold_count; i < cold_count + hot_count; i++) len += snprintf(buf + len, PAGE_SIZE - len, "%s\n", extlist[i]); return len; @@ -168,9 +177,18 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a, if (!strcmp(a->attr.name, "extension_list")) { const char *name = strim((char *)buf); - bool set = true; + bool set = true, hot; + + if (!strncmp(name, "[h]", 3)) + hot = true; + else if (!strncmp(name, "[c]", 3)) + hot = false; + else + return -EINVAL; + + name += 3; - if (name[0] == '!') { + if (*name == '!') { name++; set = false; } @@ -180,13 +198,13 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a, down_write(&sbi->sb_lock); - ret = update_extension_list(sbi, name, set); + ret = update_extension_list(sbi, name, hot, set); if (ret) goto out; ret = f2fs_commit_super(sbi, false); if (ret) - update_extension_list(sbi, name, !set); + update_extension_list(sbi, name, hot, !set); out: up_write(&sbi->sb_lock); return ret ? ret : count; |