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[XFS] endianess annotations for xfs_bmbt_rec_t
SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29321a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
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e05596643d
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cd8b0a97bd
4 changed files with 18 additions and 43 deletions
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@ -3492,8 +3492,8 @@ xfs_bmap_extents_to_btree(
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for (cnt = i = 0; i < nextents; i++) {
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ep = xfs_iext_get_ext(ifp, i);
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if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) {
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arp->l0 = INT_GET(ep->l0, ARCH_CONVERT);
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arp->l1 = INT_GET(ep->l1, ARCH_CONVERT);
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arp->l0 = cpu_to_be64(ep->l0);
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arp->l1 = cpu_to_be64(ep->l1);
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arp++; cnt++;
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}
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}
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@ -4566,8 +4566,8 @@ xfs_bmap_read_extents(
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start = i;
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for (j = 0; j < num_recs; j++, i++, frp++) {
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xfs_bmbt_rec_host_t *trp = xfs_iext_get_ext(ifp, i);
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trp->l0 = INT_GET(frp->l0, ARCH_CONVERT);
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trp->l1 = INT_GET(frp->l1, ARCH_CONVERT);
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trp->l0 = be64_to_cpu(frp->l0);
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trp->l1 = be64_to_cpu(frp->l1);
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}
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if (exntf == XFS_EXTFMT_NOSTATE) {
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/*
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@ -1914,19 +1914,13 @@ xfs_bmbt_get_state(
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ext_flag);
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}
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#ifndef XFS_NATIVE_HOST
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/* Endian flipping versions of the bmbt extraction functions */
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void
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xfs_bmbt_disk_get_all(
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xfs_bmbt_rec_t *r,
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xfs_bmbt_irec_t *s)
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{
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__uint64_t l0, l1;
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l0 = INT_GET(r->l0, ARCH_CONVERT);
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l1 = INT_GET(r->l1, ARCH_CONVERT);
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__xfs_bmbt_get_all(l0, l1, s);
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__xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s);
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}
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/*
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@ -1936,7 +1930,7 @@ xfs_filblks_t
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xfs_bmbt_disk_get_blockcount(
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xfs_bmbt_rec_t *r)
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{
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return (xfs_filblks_t)(INT_GET(r->l1, ARCH_CONVERT) & XFS_MASK64LO(21));
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return (xfs_filblks_t)(be64_to_cpu(r->l1) & XFS_MASK64LO(21));
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}
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/*
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@ -1946,11 +1940,9 @@ xfs_fileoff_t
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xfs_bmbt_disk_get_startoff(
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xfs_bmbt_rec_t *r)
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{
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return ((xfs_fileoff_t)INT_GET(r->l0, ARCH_CONVERT) &
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return ((xfs_fileoff_t)be64_to_cpu(r->l0) &
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XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
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}
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#endif /* XFS_NATIVE_HOST */
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/*
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* Increment cursor by one record at the level.
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@ -2348,7 +2340,6 @@ xfs_bmbt_set_all(
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}
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#ifndef XFS_NATIVE_HOST
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/*
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* Set all the fields in a disk format bmap extent record from the arguments.
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*/
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@ -2369,29 +2360,29 @@ xfs_bmbt_disk_set_allf(
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#if XFS_BIG_BLKNOS
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ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0);
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INT_SET(r->l0, ARCH_CONVERT,
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r->l0 = cpu_to_be64(
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((xfs_bmbt_rec_base_t)extent_flag << 63) |
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((xfs_bmbt_rec_base_t)startoff << 9) |
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((xfs_bmbt_rec_base_t)startblock >> 43));
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INT_SET(r->l1, ARCH_CONVERT,
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r->l1 = cpu_to_be64(
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((xfs_bmbt_rec_base_t)startblock << 21) |
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((xfs_bmbt_rec_base_t)blockcount &
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(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
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#else /* !XFS_BIG_BLKNOS */
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if (ISNULLSTARTBLOCK(b)) {
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INT_SET(r->l0, ARCH_CONVERT,
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r->l0 = cpu_to_be64(
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((xfs_bmbt_rec_base_t)extent_flag << 63) |
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((xfs_bmbt_rec_base_t)startoff << 9) |
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(xfs_bmbt_rec_base_t)XFS_MASK64LO(9));
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INT_SET(r->l1, ARCH_CONVERT, XFS_MASK64HI(11) |
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r->l1 = cpu_to_be64(XFS_MASK64HI(11) |
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((xfs_bmbt_rec_base_t)startblock << 21) |
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((xfs_bmbt_rec_base_t)blockcount &
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(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
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} else {
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INT_SET(r->l0, ARCH_CONVERT,
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r->l0 = cpu_to_be64(
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((xfs_bmbt_rec_base_t)extent_flag << 63) |
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((xfs_bmbt_rec_base_t)startoff << 9));
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INT_SET(r->l1, ARCH_CONVERT,
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r->l1 = cpu_to_be64(
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((xfs_bmbt_rec_base_t)startblock << 21) |
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((xfs_bmbt_rec_base_t)blockcount &
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(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
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@ -2410,7 +2401,6 @@ xfs_bmbt_disk_set_all(
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xfs_bmbt_disk_set_allf(r, s->br_startoff, s->br_startblock,
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s->br_blockcount, s->br_state);
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}
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#endif /* XFS_NATIVE_HOST */
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/*
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* Set the blockcount field in a bmap extent record.
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@ -54,7 +54,7 @@ typedef struct xfs_bmbt_rec_32
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} xfs_bmbt_rec_32_t;
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typedef struct xfs_bmbt_rec_64
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{
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__uint64_t l0, l1;
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__be64 l0, l1;
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} xfs_bmbt_rec_64_t;
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typedef __uint64_t xfs_bmbt_rec_base_t; /* use this for casts */
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@ -264,15 +264,9 @@ extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r);
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extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_host_t *r);
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extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_host_t *r);
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#ifndef XFS_NATIVE_HOST
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extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
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extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(xfs_bmbt_rec_t *r);
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extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r);
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#else
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#define xfs_bmbt_disk_get_all(r, s) xfs_bmbt_get_all(r, s)
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#define xfs_bmbt_disk_get_blockcount(r) xfs_bmbt_get_blockcount(r)
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#define xfs_bmbt_disk_get_startoff(r) xfs_bmbt_get_startoff(r)
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#endif /* XFS_NATIVE_HOST */
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extern int xfs_bmbt_increment(struct xfs_btree_cur *, int, int *);
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extern int xfs_bmbt_insert(struct xfs_btree_cur *, int *);
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@ -298,14 +292,9 @@ extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_host_t *r, xfs_fsblock_t v);
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extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_host_t *r, xfs_fileoff_t v);
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extern void xfs_bmbt_set_state(xfs_bmbt_rec_host_t *r, xfs_exntst_t v);
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#ifndef XFS_NATIVE_HOST
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extern void xfs_bmbt_disk_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
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extern void xfs_bmbt_disk_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o,
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xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v);
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#else
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#define xfs_bmbt_disk_set_all(r, s) xfs_bmbt_set_all(r, s)
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#define xfs_bmbt_disk_set_allf(r, o, b, c, v) xfs_bmbt_set_allf(r, o, b, c, v)
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#endif /* XFS_NATIVE_HOST */
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extern void xfs_bmbt_to_bmdr(xfs_bmbt_block_t *, int, xfs_bmdr_block_t *, int);
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extern int xfs_bmbt_update(struct xfs_btree_cur *, xfs_fileoff_t,
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@ -634,10 +634,8 @@ xfs_iformat_extents(
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xfs_validate_extents(ifp, nex, XFS_EXTFMT_INODE(ip));
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for (i = 0; i < nex; i++, dp++) {
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xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
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ep->l0 = INT_GET(get_unaligned((__uint64_t*)&dp->l0),
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ARCH_CONVERT);
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ep->l1 = INT_GET(get_unaligned((__uint64_t*)&dp->l1),
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ARCH_CONVERT);
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ep->l0 = be64_to_cpu(get_unaligned(&dp->l0));
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ep->l1 = be64_to_cpu(get_unaligned(&dp->l1));
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}
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XFS_BMAP_TRACE_EXLIST(ip, nex, whichfork);
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if (whichfork != XFS_DATA_FORK ||
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}
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/* Translate to on disk format */
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put_unaligned(INT_GET(ep->l0, ARCH_CONVERT),
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(__uint64_t*)&dp->l0);
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put_unaligned(INT_GET(ep->l1, ARCH_CONVERT),
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(__uint64_t*)&dp->l1);
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put_unaligned(cpu_to_be64(ep->l0), &dp->l0);
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put_unaligned(cpu_to_be64(ep->l1), &dp->l1);
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dp++;
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copied++;
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}
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