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[XFS] endianess annotations for xfs_bmbt_rec_t

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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>
This commit is contained in:
Christoph Hellwig
2007-08-16 16:24:15 +10:00
committed by Tim Shimmin
parent e05596643d
commit cd8b0a97bd
4 changed files with 18 additions and 43 deletions
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28
fs/xfs/xfs_bmap_btree.c
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@@ -1914,19 +1914,13 @@ xfs_bmbt_get_state(
ext_flag);
}
#ifndef XFS_NATIVE_HOST
/* Endian flipping versions of the bmbt extraction functions */
void
xfs_bmbt_disk_get_all(
xfs_bmbt_rec_t *r,
xfs_bmbt_irec_t *s)
{
__uint64_t l0, l1;
l0 = INT_GET(r->l0, ARCH_CONVERT);
l1 = INT_GET(r->l1, ARCH_CONVERT);
__xfs_bmbt_get_all(l0, l1, s);
__xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s);
}
/*
@@ -1936,7 +1930,7 @@ xfs_filblks_t
xfs_bmbt_disk_get_blockcount(
xfs_bmbt_rec_t *r)
{
return (xfs_filblks_t)(INT_GET(r->l1, ARCH_CONVERT) & XFS_MASK64LO(21));
return (xfs_filblks_t)(be64_to_cpu(r->l1) & XFS_MASK64LO(21));
}
/*
@@ -1946,11 +1940,9 @@ xfs_fileoff_t
xfs_bmbt_disk_get_startoff(
xfs_bmbt_rec_t *r)
{
return ((xfs_fileoff_t)INT_GET(r->l0, ARCH_CONVERT) &
return ((xfs_fileoff_t)be64_to_cpu(r->l0) &
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
}
#endif /* XFS_NATIVE_HOST */
/*
* Increment cursor by one record at the level.
@@ -2348,7 +2340,6 @@ xfs_bmbt_set_all(
}
#ifndef XFS_NATIVE_HOST
/*
* Set all the fields in a disk format bmap extent record from the arguments.
*/
@@ -2369,29 +2360,29 @@ xfs_bmbt_disk_set_allf(
#if XFS_BIG_BLKNOS
ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0);
INT_SET(r->l0, ARCH_CONVERT,
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
((xfs_bmbt_rec_base_t)startblock >> 43));
INT_SET(r->l1, ARCH_CONVERT,
r->l1 = cpu_to_be64(
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
#else /* !XFS_BIG_BLKNOS */
if (ISNULLSTARTBLOCK(b)) {
INT_SET(r->l0, ARCH_CONVERT,
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
(xfs_bmbt_rec_base_t)XFS_MASK64LO(9));
INT_SET(r->l1, ARCH_CONVERT, XFS_MASK64HI(11) |
r->l1 = cpu_to_be64(XFS_MASK64HI(11) |
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
} else {
INT_SET(r->l0, ARCH_CONVERT,
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9));
INT_SET(r->l1, ARCH_CONVERT,
r->l1 = cpu_to_be64(
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
@@ -2410,7 +2401,6 @@ xfs_bmbt_disk_set_all(
xfs_bmbt_disk_set_allf(r, s->br_startoff, s->br_startblock,
s->br_blockcount, s->br_state);
}
#endif /* XFS_NATIVE_HOST */
/*
* Set the blockcount field in a bmap extent record.