btrfs: use unsigned long type for extent state bits

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

3 files changed, 40 insertions, 37 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9b93e8076162..d2ac518f90e4 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -322,21 +322,21 @@ static void merge_state(struct extent_io_tree *tree,
 }
 
 static void set_state_cb(struct extent_io_tree *tree,
-                         struct extent_state *state, int *bits)
+                         struct extent_state *state, unsigned long *bits)
 {
         if (tree->ops && tree->ops->set_bit_hook)
                 tree->ops->set_bit_hook(tree->mapping->host, state, bits);
 }
 
 static void clear_state_cb(struct extent_io_tree *tree,
-                           struct extent_state *state, int *bits)
+                           struct extent_state *state, unsigned long *bits)
 {
         if (tree->ops && tree->ops->clear_bit_hook)
                 tree->ops->clear_bit_hook(tree->mapping->host, state, bits);
 }
 
 static void set_state_bits(struct extent_io_tree *tree,
-                           struct extent_state *state, int *bits);
+                           struct extent_state *state, unsigned long *bits);
 
 /*
  * insert an extent_state struct into the tree.  'bits' are set on the
@@ -350,7 +350,7 @@ static void set_state_bits(struct extent_io_tree *tree,
  */
 static int insert_state(struct extent_io_tree *tree,
                         struct extent_state *state, u64 start, u64 end,
-                        int *bits)
+                        unsigned long *bits)
 {
         struct rb_node *node;
 
@@ -438,10 +438,10 @@ static struct extent_state *next_state(struct extent_state *state)
  */
 static struct extent_state *clear_state_bit(struct extent_io_tree *tree,
                                             struct extent_state *state,
-                                            int *bits, int wake)
+                                            unsigned long *bits, int wake)
 {
         struct extent_state *next;
-        int bits_to_clear = *bits & ~EXTENT_CTLBITS;
+        unsigned long bits_to_clear = *bits & ~EXTENT_CTLBITS;
 
         if ((bits_to_clear & EXTENT_DIRTY) && (state->state & EXTENT_DIRTY)) {
                 u64 range = state->end - state->start + 1;
@@ -497,7 +497,7 @@ static void extent_io_tree_panic(struct extent_io_tree *tree, int err)
  * This takes the tree lock, and returns 0 on success and < 0 on error.
  */
 int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                     int bits, int wake, int delete,
+                     unsigned long bits, int wake, int delete,
                      struct extent_state **cached_state,
                      gfp_t mask)
 {
@@ -658,8 +658,8 @@ static void wait_on_state(struct extent_io_tree *tree,
  * The range [start, end] is inclusive.
  * The tree lock is taken by this function
  */
-static void wait_extent_bit(struct extent_io_tree *tree, u64 start,
-                            u64 end, int bits)
+static void wait_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
+                            unsigned long bits)
 {
         struct extent_state *state;
         struct rb_node *node;
@@ -700,9 +700,9 @@ out:
 
 static void set_state_bits(struct extent_io_tree *tree,
                            struct extent_state *state,
-                           int *bits)
+                           unsigned long *bits)
 {
-        int bits_to_set = *bits & ~EXTENT_CTLBITS;
+        unsigned long bits_to_set = *bits & ~EXTENT_CTLBITS;
 
         set_state_cb(tree, state, bits);
         if ((bits_to_set & EXTENT_DIRTY) && !(state->state & EXTENT_DIRTY)) {
@@ -745,8 +745,9 @@ static void uncache_state(struct extent_state **cached_ptr)
 
 static int __must_check
 __set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                 int bits, int exclusive_bits, u64 *failed_start,
-                 struct extent_state **cached_state, gfp_t mask)
+                 unsigned long bits, unsigned long exclusive_bits,
+                 u64 *failed_start, struct extent_state **cached_state,
+                 gfp_t mask)
 {
         struct extent_state *state;
         struct extent_state *prealloc = NULL;
@@ -938,9 +939,9 @@ search_again:
         goto again;
 }
 
-int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits,
-                   u64 *failed_start, struct extent_state **cached_state,
-                   gfp_t mask)
+int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
+                   unsigned long bits, u64 * failed_start,
+                   struct extent_state **cached_state, gfp_t mask)
 {
         return __set_extent_bit(tree, start, end, bits, 0, failed_start,
                                 cached_state, mask);
@@ -965,7 +966,7 @@ int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits,
  * boundary bits like LOCK.
  */
 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                       int bits, int clear_bits,
+                       unsigned long bits, unsigned long clear_bits,
                        struct extent_state **cached_state, gfp_t mask)
 {
         struct extent_state *state;
@@ -1158,14 +1159,14 @@ int set_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
 }
 
 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                    int bits, gfp_t mask)
+                    unsigned long bits, gfp_t mask)
 {
         return set_extent_bit(tree, start, end, bits, NULL,
                               NULL, mask);
 }
 
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                      int bits, gfp_t mask)
+                      unsigned long bits, gfp_t mask)
 {
         return clear_extent_bit(tree, start, end, bits, 0, 0, NULL, mask);
 }
@@ -1220,7 +1221,7 @@ int clear_extent_uptodate(struct extent_io_tree *tree, u64 start, u64 end,
  * us if waiting is desired.
  */
 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                     int bits, struct extent_state **cached_state)
+                     unsigned long bits, struct extent_state **cached_state)
 {
         int err;
         u64 failed_start;
@@ -1330,7 +1331,7 @@ static int set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end)
  */
 static struct extent_state *
 find_first_extent_bit_state(struct extent_io_tree *tree,
-                            u64 start, int bits)
+                            u64 start, unsigned long bits)
 {
         struct rb_node *node;
         struct extent_state *state;
@@ -1364,7 +1365,7 @@ out:
  * If nothing was found, 1 is returned. If found something, return 0.
  */
 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
-                          u64 *start_ret, u64 *end_ret, int bits,
+                          u64 *start_ret, u64 *end_ret, unsigned long bits,
                           struct extent_state **cached_state)
 {
         struct extent_state *state;
@@ -1654,7 +1655,7 @@ int extent_clear_unlock_delalloc(struct inode *inode,
         unsigned long end_index = end >> PAGE_CACHE_SHIFT;
         unsigned long nr_pages = end_index - index + 1;
         int i;
-        int clear_bits = 0;
+        unsigned long clear_bits = 0;
 
         if (op & EXTENT_CLEAR_UNLOCK)
                 clear_bits |= EXTENT_LOCKED;
@@ -1885,7 +1886,7 @@ out:
  * range is found set.
  */
 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                   int bits, int filled, struct extent_state *cached)
+                   unsigned long bits, int filled, struct extent_state *cached)
 {
         struct extent_state *state = NULL;
         struct rb_node *node;
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 3af58bf55ddc..a2c03a175009 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -81,9 +81,9 @@ struct extent_io_ops {
         int (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
                                       struct extent_state *state, int uptodate);
         void (*set_bit_hook)(struct inode *inode, struct extent_state *state,
-                             int *bits);
+                             unsigned long *bits);
         void (*clear_bit_hook)(struct inode *inode, struct extent_state *state,
-                               int *bits);
+                               unsigned long *bits);
         void (*merge_extent_hook)(struct inode *inode,
                                   struct extent_state *new,
                                   struct extent_state *other);
@@ -192,7 +192,7 @@ int try_release_extent_mapping(struct extent_map_tree *map,
 int try_release_extent_buffer(struct page *page);
 int lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                     int bits, struct extent_state **cached);
+                     unsigned long bits, struct extent_state **cached);
 int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end);
 int unlock_extent_cached(struct extent_io_tree *tree, u64 start, u64 end,
                          struct extent_state **cached, gfp_t mask);
@@ -208,16 +208,17 @@ u64 count_range_bits(struct extent_io_tree *tree,
 
 void free_extent_state(struct extent_state *state);
 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                   int bits, int filled, struct extent_state *cached_state);
+                   unsigned long bits, int filled,
+                   struct extent_state *cached_state);
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                      int bits, gfp_t mask);
+                      unsigned long bits, gfp_t mask);
 int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                     int bits, int wake, int delete, struct extent_state **cached,
-                     gfp_t mask);
+                     unsigned long bits, int wake, int delete,
+                     struct extent_state **cached, gfp_t mask);
 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                    int bits, gfp_t mask);
+                    unsigned long bits, gfp_t mask);
 int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                   int bits, u64 *failed_start,
+                   unsigned long bits, u64 *failed_start,
                    struct extent_state **cached_state, gfp_t mask);
 int set_extent_uptodate(struct extent_io_tree *tree, u64 start, u64 end,
                         struct extent_state **cached_state, gfp_t mask);
@@ -230,14 +231,14 @@ int set_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
 int clear_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
                        gfp_t mask);
 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                       int bits, int clear_bits,
+                       unsigned long bits, unsigned long clear_bits,
                        struct extent_state **cached_state, gfp_t mask);
 int set_extent_delalloc(struct extent_io_tree *tree, u64 start, u64 end,
                         struct extent_state **cached_state, gfp_t mask);
 int set_extent_defrag(struct extent_io_tree *tree, u64 start, u64 end,
                       struct extent_state **cached_state, gfp_t mask);
 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
-                          u64 *start_ret, u64 *end_ret, int bits,
+                          u64 *start_ret, u64 *end_ret, unsigned long bits,
                           struct extent_state **cached_state);
 int extent_invalidatepage(struct extent_io_tree *tree,
                           struct page *page, unsigned long offset);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ec63d7af3460..1669c3b4be2f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1530,7 +1530,7 @@ static void btrfs_merge_extent_hook(struct inode *inode,
  * have pending delalloc work to be done.
  */
 static void btrfs_set_bit_hook(struct inode *inode,
-                               struct extent_state *state, int *bits)
+                               struct extent_state *state, unsigned long *bits)
 {
 
         /*
@@ -1574,7 +1574,8 @@ static void btrfs_set_bit_hook(struct inode *inode,
  * extent_io.c clear_bit_hook, see set_bit_hook for why
  */
 static void btrfs_clear_bit_hook(struct inode *inode,
-                                 struct extent_state *state, int *bits)
+                                 struct extent_state *state,
+                                 unsigned long *bits)
 {
         /*
          * set_bit and clear bit hooks normally require _irqsave/restore