xfs: split out EFI/EFD log item format definition
The EFI/EFD item format definitions are shared with userspace. Split the out of header files that contain kernel only defintions to make it simple to shared them. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>hifive-unleashed-5.1
Dave Chinner
Ben Myers
parent
a8da0da25c
commit
9fbe24d95e
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@ -18,93 +18,11 @@
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#ifndef __XFS_EXTFREE_ITEM_H__
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#define __XFS_EXTFREE_ITEM_H__
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/* kernel only EFI/EFD definitions */
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struct xfs_mount;
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struct kmem_zone;
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typedef struct xfs_extent {
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xfs_dfsbno_t ext_start;
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xfs_extlen_t ext_len;
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} xfs_extent_t;
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/*
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* Since an xfs_extent_t has types (start:64, len: 32)
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* there are different alignments on 32 bit and 64 bit kernels.
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* So we provide the different variants for use by a
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* conversion routine.
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*/
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typedef struct xfs_extent_32 {
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__uint64_t ext_start;
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__uint32_t ext_len;
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} __attribute__((packed)) xfs_extent_32_t;
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typedef struct xfs_extent_64 {
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__uint64_t ext_start;
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__uint32_t ext_len;
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__uint32_t ext_pad;
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} xfs_extent_64_t;
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/*
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* This is the structure used to lay out an efi log item in the
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* log. The efi_extents field is a variable size array whose
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* size is given by efi_nextents.
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*/
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typedef struct xfs_efi_log_format {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_t efi_extents[1]; /* array of extents to free */
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} xfs_efi_log_format_t;
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typedef struct xfs_efi_log_format_32 {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_32_t efi_extents[1]; /* array of extents to free */
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} __attribute__((packed)) xfs_efi_log_format_32_t;
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typedef struct xfs_efi_log_format_64 {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_64_t efi_extents[1]; /* array of extents to free */
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} xfs_efi_log_format_64_t;
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/*
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* This is the structure used to lay out an efd log item in the
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* log. The efd_extents array is a variable size array whose
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* size is given by efd_nextents;
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*/
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typedef struct xfs_efd_log_format {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_t efd_extents[1]; /* array of extents freed */
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} xfs_efd_log_format_t;
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typedef struct xfs_efd_log_format_32 {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_32_t efd_extents[1]; /* array of extents freed */
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} __attribute__((packed)) xfs_efd_log_format_32_t;
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typedef struct xfs_efd_log_format_64 {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_64_t efd_extents[1]; /* array of extents freed */
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} xfs_efd_log_format_64_t;
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#ifdef __KERNEL__
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/*
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* Max number of extents in fast allocation path.
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*/
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@ -160,6 +78,4 @@ int xfs_efi_copy_format(xfs_log_iovec_t *buf,
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xfs_efi_log_format_t *dst_efi_fmt);
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void xfs_efi_item_free(xfs_efi_log_item_t *);
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#endif /* __KERNEL__ */
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#endif /* __XFS_EXTFREE_ITEM_H__ */
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@ -461,4 +461,87 @@ xfs_blft_from_flags(struct xfs_buf_log_format *blf)
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return (blf->blf_flags & XFS_BLFT_MASK) >> XFS_BLFT_SHIFT;
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}
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/*
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* EFI/EFD log format definitions
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*/
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typedef struct xfs_extent {
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xfs_dfsbno_t ext_start;
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xfs_extlen_t ext_len;
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} xfs_extent_t;
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/*
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* Since an xfs_extent_t has types (start:64, len: 32)
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* there are different alignments on 32 bit and 64 bit kernels.
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* So we provide the different variants for use by a
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* conversion routine.
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*/
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typedef struct xfs_extent_32 {
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__uint64_t ext_start;
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__uint32_t ext_len;
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} __attribute__((packed)) xfs_extent_32_t;
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typedef struct xfs_extent_64 {
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__uint64_t ext_start;
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__uint32_t ext_len;
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__uint32_t ext_pad;
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} xfs_extent_64_t;
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/*
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* This is the structure used to lay out an efi log item in the
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* log. The efi_extents field is a variable size array whose
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* size is given by efi_nextents.
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*/
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typedef struct xfs_efi_log_format {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_t efi_extents[1]; /* array of extents to free */
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} xfs_efi_log_format_t;
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typedef struct xfs_efi_log_format_32 {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_32_t efi_extents[1]; /* array of extents to free */
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} __attribute__((packed)) xfs_efi_log_format_32_t;
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typedef struct xfs_efi_log_format_64 {
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__uint16_t efi_type; /* efi log item type */
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__uint16_t efi_size; /* size of this item */
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__uint32_t efi_nextents; /* # extents to free */
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__uint64_t efi_id; /* efi identifier */
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xfs_extent_64_t efi_extents[1]; /* array of extents to free */
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} xfs_efi_log_format_64_t;
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/*
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* This is the structure used to lay out an efd log item in the
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* log. The efd_extents array is a variable size array whose
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* size is given by efd_nextents;
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*/
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typedef struct xfs_efd_log_format {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_t efd_extents[1]; /* array of extents freed */
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} xfs_efd_log_format_t;
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typedef struct xfs_efd_log_format_32 {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_32_t efd_extents[1]; /* array of extents freed */
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} __attribute__((packed)) xfs_efd_log_format_32_t;
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typedef struct xfs_efd_log_format_64 {
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__uint16_t efd_type; /* efd log item type */
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__uint16_t efd_size; /* size of this item */
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__uint32_t efd_nextents; /* # of extents freed */
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__uint64_t efd_efi_id; /* id of corresponding efi */
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xfs_extent_64_t efd_extents[1]; /* array of extents freed */
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} xfs_efd_log_format_64_t;
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#endif /* __XFS_LOG_FORMAT_H__ */
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