summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
authorJaegeuk Kim <jaegeuk@kernel.org>2017-10-05 21:03:06 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2017-11-05 16:42:01 -0800
commit234a9689614272d93271b308adbd303b59d266e3 (patch)
treebfd6fc0c5dee65effdae00e6921f88122dfd65a0 /fs/f2fs
parent37a0ab2a3b58d8b922393717442e1f4d4196282e (diff)
f2fs: add quota_ino feature infra
This patch adds quota_ino feature infra to be used for quota files. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/f2fs.h6
-rw-r--r--fs/f2fs/sysfs.c7
2 files changed, 13 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4a75f07f1dc8..9a1c7ffa6845 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -122,6 +122,7 @@ struct f2fs_mount_info {
#define F2FS_FEATURE_PRJQUOTA 0x0010
#define F2FS_FEATURE_INODE_CHKSUM 0x0020
#define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
+#define F2FS_FEATURE_QUOTA_INO 0x0080
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@@ -3070,6 +3071,11 @@ static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb)
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR);
}
+static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
+{
+ return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
+}
+
#ifdef CONFIG_BLK_DEV_ZONED
static inline int get_blkz_type(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkaddr)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index f0fdc89ce82f..9835348b6e5d 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -110,6 +110,9 @@ static ssize_t features_show(struct f2fs_attr *a,
if (f2fs_sb_has_flexible_inline_xattr(sb))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "flexible_inline_xattr");
+ if (f2fs_sb_has_quota_ino(sb))
+ len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
+ len ? ", " : "", "quota_ino");
len += snprintf(buf + len, PAGE_SIZE - len, "\n");
return len;
}
@@ -227,6 +230,7 @@ enum feat_id {
FEAT_PROJECT_QUOTA,
FEAT_INODE_CHECKSUM,
FEAT_FLEXIBLE_INLINE_XATTR,
+ FEAT_QUOTA_INO,
};
static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -240,6 +244,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
case FEAT_PROJECT_QUOTA:
case FEAT_INODE_CHECKSUM:
case FEAT_FLEXIBLE_INLINE_XATTR:
+ case FEAT_QUOTA_INO:
return snprintf(buf, PAGE_SIZE, "supported\n");
}
return 0;
@@ -314,6 +319,7 @@ F2FS_FEATURE_RO_ATTR(extra_attr, FEAT_EXTRA_ATTR);
F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
+F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
@@ -364,6 +370,7 @@ static struct attribute *f2fs_feat_attrs[] = {
ATTR_LIST(project_quota),
ATTR_LIST(inode_checksum),
ATTR_LIST(flexible_inline_xattr),
+ ATTR_LIST(quota_ino),
NULL,
};