From 70e73f59755867383edf563d5a5cbea614c0fd49 Mon Sep 17 00:00:00 2001 From: Nathan Scott Date: Fri, 17 Mar 2006 17:26:52 +1100 Subject: [XFS] endianess annotations for xfs_dir2_data_hdr structure. SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25484a Signed-off-by: Nathan Scott --- fs/xfs/xfs_dir2_data.c | 123 ++++++++++++++++++++++++++----------------------- 1 file changed, 65 insertions(+), 58 deletions(-) (limited to 'fs/xfs/xfs_dir2_data.c') diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index 5b7c47e2f14..fd6b7c03018 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -70,11 +70,11 @@ xfs_dir2_data_check( mp = dp->i_mount; d = bp->data; - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); bf = d->hdr.bestfree; p = (char *)d->u; - if (INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC) { + if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { btp = XFS_DIR2_BLOCK_TAIL_P(mp, (xfs_dir2_block_t *)d); lep = XFS_DIR2_BLOCK_LEAF_P(btp); endp = (char *)lep; @@ -96,8 +96,8 @@ xfs_dir2_data_check( ASSERT(!bf[2].offset); freeseen |= 1 << 2; } - ASSERT(INT_GET(bf[0].length, ARCH_CONVERT) >= INT_GET(bf[1].length, ARCH_CONVERT)); - ASSERT(INT_GET(bf[1].length, ARCH_CONVERT) >= INT_GET(bf[2].length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(bf[0].length) >= be16_to_cpu(bf[1].length)); + ASSERT(be16_to_cpu(bf[1].length) >= be16_to_cpu(bf[2].length)); /* * Loop over the data/unused entries. */ @@ -117,8 +117,10 @@ xfs_dir2_data_check( i = (int)(dfp - bf); ASSERT((freeseen & (1 << i)) == 0); freeseen |= 1 << i; - } else - ASSERT(INT_GET(dup->length, ARCH_CONVERT) <= INT_GET(bf[2].length, ARCH_CONVERT)); + } else { + ASSERT(INT_GET(dup->length, ARCH_CONVERT) <= + be16_to_cpu(bf[2].length)); + } p += INT_GET(dup->length, ARCH_CONVERT); lastfree = 1; continue; @@ -136,7 +138,7 @@ xfs_dir2_data_check( (char *)dep - (char *)d); count++; lastfree = 0; - if (INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC) { + if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { addr = XFS_DIR2_DB_OFF_TO_DATAPTR(mp, mp->m_dirdatablk, (xfs_dir2_data_aoff_t) ((char *)dep - (char *)d)); @@ -154,7 +156,7 @@ xfs_dir2_data_check( * Need to have seen all the entries and all the bestfree slots. */ ASSERT(freeseen == 7); - if (INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC) { + if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { for (i = stale = 0; i < INT_GET(btp->count, ARCH_CONVERT); i++) { if (INT_GET(lep[i].address, ARCH_CONVERT) == XFS_DIR2_NULL_DATAPTR) stale++; @@ -190,8 +192,8 @@ xfs_dir2_data_freefind( * Check order, non-overlapping entries, and if we find the * one we're looking for it has to be exact. */ - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); for (dfp = &d->hdr.bestfree[0], seenzero = matched = 0; dfp < &d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT]; dfp++) { @@ -201,23 +203,24 @@ xfs_dir2_data_freefind( continue; } ASSERT(seenzero == 0); - if (INT_GET(dfp->offset, ARCH_CONVERT) == off) { + if (be16_to_cpu(dfp->offset) == off) { matched = 1; - ASSERT(INT_GET(dfp->length, ARCH_CONVERT) == INT_GET(dup->length, ARCH_CONVERT)); - } else if (off < INT_GET(dfp->offset, ARCH_CONVERT)) - ASSERT(off + INT_GET(dup->length, ARCH_CONVERT) <= INT_GET(dfp->offset, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp->length) == INT_GET(dup->length, ARCH_CONVERT)); + } else if (off < be16_to_cpu(dfp->offset)) + ASSERT(off + INT_GET(dup->length, ARCH_CONVERT) <= be16_to_cpu(dfp->offset)); else - ASSERT(INT_GET(dfp->offset, ARCH_CONVERT) + INT_GET(dfp->length, ARCH_CONVERT) <= off); - ASSERT(matched || INT_GET(dfp->length, ARCH_CONVERT) >= INT_GET(dup->length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp->offset) + be16_to_cpu(dfp->length) <= off); + ASSERT(matched || be16_to_cpu(dfp->length) >= INT_GET(dup->length, ARCH_CONVERT)); if (dfp > &d->hdr.bestfree[0]) - ASSERT(INT_GET(dfp[-1].length, ARCH_CONVERT) >= INT_GET(dfp[0].length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp[-1].length) >= be16_to_cpu(dfp[0].length)); } #endif /* * If this is smaller than the smallest bestfree entry, * it can't be there since they're sorted. */ - if (INT_GET(dup->length, ARCH_CONVERT) < INT_GET(d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT - 1].length, ARCH_CONVERT)) + if (INT_GET(dup->length, ARCH_CONVERT) < + be16_to_cpu(d->hdr.bestfree[XFS_DIR2_DATA_FD_COUNT - 1].length)) return NULL; /* * Look at the three bestfree entries for our guy. @@ -227,7 +230,7 @@ xfs_dir2_data_freefind( dfp++) { if (!dfp->offset) return NULL; - if (INT_GET(dfp->offset, ARCH_CONVERT) == off) + if (be16_to_cpu(dfp->offset) == off) return dfp; } /* @@ -249,29 +252,29 @@ xfs_dir2_data_freeinsert( xfs_dir2_data_free_t new; /* new bestfree entry */ #ifdef __KERNEL__ - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); #endif dfp = d->hdr.bestfree; - INT_COPY(new.length, dup->length, ARCH_CONVERT); - INT_SET(new.offset, ARCH_CONVERT, (xfs_dir2_data_off_t)((char *)dup - (char *)d)); + new.length = dup->length; + new.offset = cpu_to_be16((char *)dup - (char *)d); /* * Insert at position 0, 1, or 2; or not at all. */ - if (INT_GET(new.length, ARCH_CONVERT) > INT_GET(dfp[0].length, ARCH_CONVERT)) { + if (be16_to_cpu(new.length) > be16_to_cpu(dfp[0].length)) { dfp[2] = dfp[1]; dfp[1] = dfp[0]; dfp[0] = new; *loghead = 1; return &dfp[0]; } - if (INT_GET(new.length, ARCH_CONVERT) > INT_GET(dfp[1].length, ARCH_CONVERT)) { + if (be16_to_cpu(new.length) > be16_to_cpu(dfp[1].length)) { dfp[2] = dfp[1]; dfp[1] = new; *loghead = 1; return &dfp[1]; } - if (INT_GET(new.length, ARCH_CONVERT) > INT_GET(dfp[2].length, ARCH_CONVERT)) { + if (be16_to_cpu(new.length) > be16_to_cpu(dfp[2].length)) { dfp[2] = new; *loghead = 1; return &dfp[2]; @@ -289,8 +292,8 @@ xfs_dir2_data_freeremove( int *loghead) /* out: log data header */ { #ifdef __KERNEL__ - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); #endif /* * It's the first entry, slide the next 2 up. @@ -334,8 +337,8 @@ xfs_dir2_data_freescan( char *p; /* current entry pointer */ #ifdef __KERNEL__ - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); #endif /* * Start by clearing the table. @@ -348,7 +351,7 @@ xfs_dir2_data_freescan( p = (char *)d->u; if (aendp) endp = aendp; - else if (INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC) { + else if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC) { btp = XFS_DIR2_BLOCK_TAIL_P(mp, (xfs_dir2_block_t *)d); endp = (char *)XFS_DIR2_BLOCK_LEAF_P(btp); } else @@ -415,8 +418,8 @@ xfs_dir2_data_init( * Initialize the header. */ d = bp->data; - INT_SET(d->hdr.magic, ARCH_CONVERT, XFS_DIR2_DATA_MAGIC); - INT_SET(d->hdr.bestfree[0].offset, ARCH_CONVERT, (xfs_dir2_data_off_t)sizeof(d->hdr)); + d->hdr.magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); + d->hdr.bestfree[0].offset = cpu_to_be16(sizeof(d->hdr)); for (i = 1; i < XFS_DIR2_DATA_FD_COUNT; i++) { d->hdr.bestfree[i].length = 0; d->hdr.bestfree[i].offset = 0; @@ -428,7 +431,7 @@ xfs_dir2_data_init( INT_SET(dup->freetag, ARCH_CONVERT, XFS_DIR2_DATA_FREE_TAG); t=mp->m_dirblksize - (uint)sizeof(d->hdr); - INT_SET(d->hdr.bestfree[0].length, ARCH_CONVERT, t); + d->hdr.bestfree[0].length = cpu_to_be16(t); INT_SET(dup->length, ARCH_CONVERT, t); INT_SET(*XFS_DIR2_DATA_UNUSED_TAG_P(dup), ARCH_CONVERT, (xfs_dir2_data_off_t)((char *)dup - (char *)d)); @@ -453,8 +456,8 @@ xfs_dir2_data_log_entry( xfs_dir2_data_t *d; /* data block pointer */ d = bp->data; - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); xfs_da_log_buf(tp, bp, (uint)((char *)dep - (char *)d), (uint)((char *)(XFS_DIR2_DATA_ENTRY_TAG_P(dep) + 1) - (char *)d - 1)); @@ -471,8 +474,8 @@ xfs_dir2_data_log_header( xfs_dir2_data_t *d; /* data block pointer */ d = bp->data; - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); xfs_da_log_buf(tp, bp, (uint)((char *)&d->hdr - (char *)d), (uint)(sizeof(d->hdr) - 1)); } @@ -489,8 +492,8 @@ xfs_dir2_data_log_unused( xfs_dir2_data_t *d; /* data block pointer */ d = bp->data; - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); /* * Log the first part of the unused entry. */ @@ -533,12 +536,12 @@ xfs_dir2_data_make_free( /* * Figure out where the end of the data area is. */ - if (INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC) + if (be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC) endptr = (char *)d + mp->m_dirblksize; else { xfs_dir2_block_tail_t *btp; /* block tail */ - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); btp = XFS_DIR2_BLOCK_TAIL_P(mp, (xfs_dir2_block_t *)d); endptr = (char *)XFS_DIR2_BLOCK_LEAF_P(btp); } @@ -586,7 +589,7 @@ xfs_dir2_data_make_free( * since the third bestfree is there, there might be more * entries. */ - needscan = d->hdr.bestfree[2].length; + needscan = (d->hdr.bestfree[2].length != 0); /* * Fix up the new big freespace. */ @@ -614,7 +617,7 @@ xfs_dir2_data_make_free( */ dfp = xfs_dir2_data_freeinsert(d, prevdup, needlogp); ASSERT(dfp == &d->hdr.bestfree[0]); - ASSERT(INT_GET(dfp->length, ARCH_CONVERT) == INT_GET(prevdup->length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp->length) == INT_GET(prevdup->length, ARCH_CONVERT)); ASSERT(!dfp[1].length); ASSERT(!dfp[2].length); } @@ -640,8 +643,10 @@ xfs_dir2_data_make_free( /* * Otherwise we need a scan if the new entry is big enough. */ - else - needscan = INT_GET(prevdup->length, ARCH_CONVERT) > INT_GET(d->hdr.bestfree[2].length, ARCH_CONVERT); + else { + needscan = INT_GET(prevdup->length, ARCH_CONVERT) > + be16_to_cpu(d->hdr.bestfree[2].length); + } } /* * The following entry is free, merge with it. @@ -666,8 +671,10 @@ xfs_dir2_data_make_free( /* * Otherwise we need a scan if the new entry is big enough. */ - else - needscan = INT_GET(newdup->length, ARCH_CONVERT) > INT_GET(d->hdr.bestfree[2].length, ARCH_CONVERT); + else { + needscan = INT_GET(newdup->length, ARCH_CONVERT) > + be16_to_cpu(d->hdr.bestfree[2].length); + } } /* * Neither neighbor is free. Make a new entry. @@ -707,8 +714,8 @@ xfs_dir2_data_use_free( int oldlen; /* old unused entry's length */ d = bp->data; - ASSERT(INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_DATA_MAGIC || - INT_GET(d->hdr.magic, ARCH_CONVERT) == XFS_DIR2_BLOCK_MAGIC); + ASSERT(be32_to_cpu(d->hdr.magic) == XFS_DIR2_DATA_MAGIC || + be32_to_cpu(d->hdr.magic) == XFS_DIR2_BLOCK_MAGIC); ASSERT(INT_GET(dup->freetag, ARCH_CONVERT) == XFS_DIR2_DATA_FREE_TAG); ASSERT(offset >= (char *)dup - (char *)d); ASSERT(offset + len <= (char *)dup + INT_GET(dup->length, ARCH_CONVERT) - (char *)d); @@ -718,7 +725,7 @@ xfs_dir2_data_use_free( */ dfp = xfs_dir2_data_freefind(d, dup); oldlen = INT_GET(dup->length, ARCH_CONVERT); - ASSERT(dfp || oldlen <= INT_GET(d->hdr.bestfree[2].length, ARCH_CONVERT)); + ASSERT(dfp || oldlen <= be16_to_cpu(d->hdr.bestfree[2].length)); /* * Check for alignment with front and back of the entry. */ @@ -732,7 +739,7 @@ xfs_dir2_data_use_free( */ if (matchfront && matchback) { if (dfp) { - needscan = d->hdr.bestfree[2].offset; + needscan = (d->hdr.bestfree[2].offset != 0); if (!needscan) xfs_dir2_data_freeremove(d, dfp, needlogp); } @@ -755,8 +762,8 @@ xfs_dir2_data_use_free( xfs_dir2_data_freeremove(d, dfp, needlogp); dfp = xfs_dir2_data_freeinsert(d, newdup, needlogp); ASSERT(dfp != NULL); - ASSERT(INT_GET(dfp->length, ARCH_CONVERT) == INT_GET(newdup->length, ARCH_CONVERT)); - ASSERT(INT_GET(dfp->offset, ARCH_CONVERT) == (char *)newdup - (char *)d); + ASSERT(be16_to_cpu(dfp->length) == INT_GET(newdup->length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)d); /* * If we got inserted at the last slot, * that means we don't know if there was a better @@ -783,8 +790,8 @@ xfs_dir2_data_use_free( xfs_dir2_data_freeremove(d, dfp, needlogp); dfp = xfs_dir2_data_freeinsert(d, newdup, needlogp); ASSERT(dfp != NULL); - ASSERT(INT_GET(dfp->length, ARCH_CONVERT) == INT_GET(newdup->length, ARCH_CONVERT)); - ASSERT(INT_GET(dfp->offset, ARCH_CONVERT) == (char *)newdup - (char *)d); + ASSERT(be16_to_cpu(dfp->length) == INT_GET(newdup->length, ARCH_CONVERT)); + ASSERT(be16_to_cpu(dfp->offset) == (char *)newdup - (char *)d); /* * If we got inserted at the last slot, * that means we don't know if there was a better @@ -819,7 +826,7 @@ xfs_dir2_data_use_free( * the 2 new will work. */ if (dfp) { - needscan = d->hdr.bestfree[2].length; + needscan = (d->hdr.bestfree[2].length != 0); if (!needscan) { xfs_dir2_data_freeremove(d, dfp, needlogp); (void)xfs_dir2_data_freeinsert(d, newdup, -- cgit v1.2.3