xfs: fix issues that cause userspace warnings

Some of the code shared with userspace causes compilation warnings
from things turned off in the kernel code, such as differences in
variable signedness. Fix those issues.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

6 files changed, 12 insertions, 13 deletions

diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c
index b42926a5400d..712a502de619 100644
--- a/fs/xfs/xfs_attr_remote.c
+++ b/fs/xfs/xfs_attr_remote.c
@@ -239,7 +239,7 @@ xfs_attr_rmtval_copyout(
         xfs_ino_t       ino,
         int             *offset,
         int             *valuelen,
-        char            **dst)
+        __uint8_t       **dst)
 {
         char            *src = bp->b_addr;
         xfs_daddr_t     bno = bp->b_bn;
@@ -286,7 +286,7 @@ xfs_attr_rmtval_copyin(
         xfs_ino_t       ino,
         int             *offset,
         int             *valuelen,
-        char            **src)
+        __uint8_t       **src)
 {
         char            *dst = bp->b_addr;
         xfs_daddr_t     bno = bp->b_bn;
@@ -339,7 +339,7 @@ xfs_attr_rmtval_get(
         struct xfs_mount        *mp = args->dp->i_mount;
         struct xfs_buf          *bp;
         xfs_dablk_t             lblkno = args->rmtblkno;
-        char                    *dst = args->value;
+        __uint8_t               *dst = args->value;
         int                     valuelen = args->valuelen;
         int                     nmap;
         int                     error;
@@ -403,7 +403,7 @@ xfs_attr_rmtval_set(
         struct xfs_bmbt_irec    map;
         xfs_dablk_t             lblkno;
         xfs_fileoff_t           lfileoff = 0;
-        char                    *src = args->value;
+        __uint8_t               *src = args->value;
         int                     blkcnt;
         int                     valuelen;
         int                     nmap;
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 1f09fafa07fa..a9331a6b36fb 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -4258,12 +4258,9 @@ __xfs_bmapi_allocate(
         struct xfs_ifork        *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
         int                     tmp_logflags = 0;
         int                     error;
-        int                     rt;
 
         ASSERT(bma->length > 0);
 
-        rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(bma->ip);
-
         /*
          * For the wasdelay case, we could also just allocate the stuff asked
          * for in this bmap call but that wouldn't be as good.
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 8bbd7ef66ea8..d4e59a4ff59f 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -399,7 +399,7 @@ xfs_da3_split(
         struct xfs_da_intnode   *node;
         struct xfs_buf          *bp;
         int                     max;
-        int                     action;
+        int                     action = 0;
         int                     error;
         int                     i;
 
@@ -2454,9 +2454,9 @@ static int
 xfs_buf_map_from_irec(
         struct xfs_mount        *mp,
         struct xfs_buf_map      **mapp,
-        unsigned int            *nmaps,
+        int                     *nmaps,
         struct xfs_bmbt_irec    *irecs,
-        unsigned int            nirecs)
+        int                     nirecs)
 {
         struct xfs_buf_map      *map;
         int                     i;
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index b4bd9b6e93f9..18e287deee66 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -313,11 +313,13 @@ xfs_dir2_free_log_header(
         struct xfs_trans        *tp,
         struct xfs_buf          *bp)
 {
+#ifdef DEBUG
         xfs_dir2_free_t         *free;          /* freespace structure */
 
         free = bp->b_addr;
         ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) ||
                free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC));
+#endif
         xfs_trans_log_buf(tp, bp, 0, xfs_dir3_free_hdr_size(tp->t_mountp) - 1);
 }
 
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index bd4e2a7b0928..266024b3668c 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1342,7 +1342,7 @@ xfs_imap(
         xfs_agblock_t   cluster_agbno;  /* first block in inode cluster */
         int             error;  /* error code */
         int             offset; /* index of inode in its buffer */
-        int             offset_agbno;   /* blks from chunk start to inode */
+        xfs_agblock_t   offset_agbno;   /* blks from chunk start to inode */
 
         ASSERT(ino != NULLFSINO);
 
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 084caa81bf1c..7a445e68c35b 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -736,8 +736,8 @@ xfs_rtallocate_range(
 {
         xfs_rtblock_t   end;            /* end of the allocated extent */
         int             error;          /* error value */
-        xfs_rtblock_t   postblock;      /* first block allocated > end */
-        xfs_rtblock_t   preblock;       /* first block allocated < start */
+        xfs_rtblock_t   postblock = 0;  /* first block allocated > end */
+        xfs_rtblock_t   preblock = 0;   /* first block allocated < start */
 
         end = start + len - 1;
         /*