[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 <nathans@sgi.com>

1 files changed, 65 insertions, 58 deletions

diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c
index 5b7c47e2f14a..fd6b7c03018a 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,