Re: [PATCH 10/49] xfs: sync minor header differences needed by userspace.

Brian Foster
2013-07-25T12:58:03Z

On 07/19/2013 02:24 AM, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Little things like exported functions, __KERNEL__ protections, and
> so on that ensure user and kernel shared headers are identical.
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
> ---
...
> diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
> index 444a770..c102213 100644
> --- a/fs/xfs/xfs_attr_leaf.h
> +++ b/fs/xfs/xfs_attr_leaf.h
> @@ -333,6 +333,8 @@ int xfs_attr3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
> struct xfs_buf **bpp);
> void xfs_attr3_leaf_hdr_from_disk(struct xfs_attr3_icleaf_hdr *to,
> struct xfs_attr_leafblock *from);
> +void xfs_attr3_leaf_hdr_to_disk(struct xfs_attr_leafblock *to,
> + struct xfs_attr3_icleaf_hdr *from);
>

I take it this was just missing.

> extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops;
>
...
> diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h
> index 7826782..2095e17 100644
> --- a/fs/xfs/xfs_dir2_format.h
> +++ b/fs/xfs/xfs_dir2_format.h
> @@ -519,6 +519,9 @@ struct xfs_dir3_leaf {
>
> #define XFS_DIR3_LEAF_CRC_OFF offsetof(struct xfs_dir3_leaf_hdr, info.crc)
>
> +extern void xfs_dir3_leaf_hdr_from_disk(struct xfs_dir3_icleaf_hdr *to,
> + struct xfs_dir2_leaf *from);
> +

This appears in xfs_dir2_priv.h as well. It doesn't cause any
compilation problems, but were you intending to duplicate it or move it?

> static inline int
> xfs_dir3_leaf_hdr_size(struct xfs_dir2_leaf *lp)
> {
> diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
> index d046955..68c2e18 100644
> --- a/fs/xfs/xfs_fs.h
> +++ b/fs/xfs/xfs_fs.h
> @@ -311,6 +311,17 @@ typedef struct xfs_bstat {
> } xfs_bstat_t;
>
> /*
> + * Project quota id helpers (previously projid was 16bit only
> + * and using two 16bit values to hold new 32bit projid was choosen
> + * to retain compatibility with "old" filesystems).
> + */
> +static inline __uint32_t
> +bstat_get_projid(struct xfs_bstat *bs)
> +{
> + return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
> +}
> +

Matches userspace.

> +/*
> * The user-level BulkStat Request interface structure.
> */
> typedef struct xfs_fsop_bulkreq {
> @@ -511,8 +522,14 @@ typedef struct xfs_handle {
> #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
> #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
> /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
> +
> /* XFS_IOC_FREEZE -- FIFREEZE 119 */
> /* XFS_IOC_THAW -- FITHAW 120 */
> +#ifndef FIFREEZE
> +#define XFS_IOC_FREEZE _IOWR('X', 119, int)
> +#define XFS_IOC_THAW _IOWR('X', 120, int)
> +#endif
> +
> #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
> #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
> #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
> diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
> index 78f9e70..030f131 100644
> --- a/fs/xfs/xfs_sb.h
> +++ b/fs/xfs/xfs_sb.h
> @@ -554,6 +554,13 @@ static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp)
> (sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT));
> }
>
> +static inline void xfs_sb_version_addprojid32bit(xfs_sb_t *sbp)
> +{
> + sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
> + sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
> + sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT;
> +}
> +

Matches userspace.

Reviewed-by: Brian Foster <bfoster@redhat.com>

> static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp)
> {
> return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
> diff --git a/fs/xfs/xfs_symlink.h b/fs/xfs/xfs_symlink.h
> index 3743948..c8e3a02 100644
> --- a/fs/xfs/xfs_symlink.h
> +++ b/fs/xfs/xfs_symlink.h
> @@ -49,7 +49,8 @@ struct xfs_dsymlink_hdr {
> sizeof(struct xfs_dsymlink_hdr) : 0))
>
> int xfs_symlink_blocks(struct xfs_mount *mp, int pathlen);
> -
> +bool xfs_symlink_hdr_ok(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
> + uint32_t size, struct xfs_buf *bp);
> void xfs_symlink_local_to_remote(struct xfs_trans *tp, struct xfs_buf *bp,
> struct xfs_inode *ip, struct xfs_ifork *ifp);
>
> diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
> index ffaa584..772d5ae 100644
> --- a/fs/xfs/xfs_trans.h
> +++ b/fs/xfs/xfs_trans.h
> @@ -64,7 +64,7 @@ struct xfs_log_item;
> #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
> #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
> #define XFS_ATTRSETM_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetm)
> -#define XFS_ATTRSETRT_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetrt)
> +#define XFS_ATTRSETRT_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetrt)
> #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
> #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
> #define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_qm_sbchange)
> @@ -325,7 +325,4 @@ extern kmem_zone_t *xfs_log_item_desc_zone;
>
> #endif /* __KERNEL__ */
>
> -void xfs_trans_init(struct xfs_mount *);
> -int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
> -
> #endif /* __XFS_TRANS_H__ */
> diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
> index 53b7c9b..d43b130 100644
> --- a/fs/xfs/xfs_trans_priv.h
> +++ b/fs/xfs/xfs_trans_priv.h
> @@ -25,6 +25,9 @@ struct xfs_trans;
> struct xfs_ail;
> struct xfs_log_vec;
>
> +
> +void xfs_trans_init(struct xfs_mount *);
> +int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
> void xfs_trans_add_item(struct xfs_trans *, struct xfs_log_item *);
> void xfs_trans_del_item(struct xfs_log_item *);
> void xfs_trans_free_items(struct xfs_trans *tp, xfs_lsn_t commit_lsn,
> diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h
> index 781772c..6ed6b26 100644
> --- a/fs/xfs/xfs_types.h
> +++ b/fs/xfs/xfs_types.h
> @@ -32,7 +32,6 @@ typedef unsigned int __uint32_t;
> typedef signed long long int __int64_t;
> typedef unsigned long long int __uint64_t;
>
> -typedef __uint32_t prid_t; /* project ID */
> typedef __uint32_t inst_t; /* an instruction */
>
> typedef __s64 xfs_off_t; /* <file offset> type */
> @@ -55,6 +54,8 @@ typedef __uint64_t __psunsigned_t;
>
> #endif /* __KERNEL__ */
>
> +typedef __uint32_t prid_t; /* project ID */
> +
> typedef __uint32_t xfs_agblock_t; /* blockno in alloc. group */
> typedef __uint32_t xfs_agino_t; /* inode # within allocation grp */
> typedef __uint32_t xfs_extlen_t; /* extent length in blocks */