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f2fs: add quota_ino feature infra

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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>
This commit is contained in:
Jaegeuk Kim 2017-10-05 21:03:06 -07:00
parent 37a0ab2a3b
commit 234a968961
3 changed files with 18 additions and 1 deletions
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6
include/linux/f2fs_fs.h
View file

@ -36,6 +36,9 @@
#define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num)
#define F2FS_META_INO(sbi) ((sbi)->meta_ino_num)
#define F2FS_QUOTA_INO 3
#define F2FS_MAX_QUOTAS 3
#define F2FS_IO_SIZE(sbi) (1 << (sbi)->write_io_size_bits) /* Blocks */
#define F2FS_IO_SIZE_KB(sbi) (1 << ((sbi)->write_io_size_bits + 2)) /* KB */
#define F2FS_IO_SIZE_BYTES(sbi) (1 << ((sbi)->write_io_size_bits + 12)) /* B */
@ -108,7 +111,8 @@ struct f2fs_super_block {
__u8 encryption_level; /* versioning level for encryption */
__u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
struct f2fs_device devs[MAX_DEVICES]; /* device list */
__u8 reserved[327]; /* valid reserved region */
__le32 qf_ino[F2FS_MAX_QUOTAS]; /* quota inode numbers */
__u8 reserved[315]; /* valid reserved region */
} __packed;
/*