logfs: replace inode uid,gid,mode initialization with helper function

[safe/jmp/linux-2.6] / fs / affs / bitmap.c

diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c
index b330009..3e26271 100644 (file)
--- a/fs/affs/bitmap.c
+++ b/fs/affs/bitmap.c
@@ -7,11 +7,12 @@
  *  block allocation, deallocation, calculation of free space.
  */
 
+#include <linux/slab.h>
 #include "affs.h"
 
 /* This is, of course, shamelessly stolen from fs/minix */
 
-static int nibblemap[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 };
+static const int nibblemap[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 };
 
 static u32
 affs_count_free_bits(u32 blocksize, const void *data)
@@ -45,14 +46,14 @@ affs_count_free_blocks(struct super_block *sb)
        if (sb->s_flags & MS_RDONLY)
                return 0;
 
-       down(&AFFS_SB(sb)->s_bmlock);
+       mutex_lock(&AFFS_SB(sb)->s_bmlock);
 
        bm = AFFS_SB(sb)->s_bitmap;
        free = 0;
        for (i = AFFS_SB(sb)->s_bmap_count; i > 0; bm++, i--)
                free += bm->bm_free;
 
-       up(&AFFS_SB(sb)->s_bmlock);
+       mutex_unlock(&AFFS_SB(sb)->s_bmlock);
 
        return free;
 }
@@ -76,7 +77,7 @@ affs_free_block(struct super_block *sb, u32 block)
        bit     = blk % sbi->s_bmap_bits;
        bm      = &sbi->s_bitmap[bmap];
 
-       down(&sbi->s_bmlock);
+       mutex_lock(&sbi->s_bmlock);
 
        bh = sbi->s_bmap_bh;
        if (sbi->s_last_bmap != bmap) {
@@ -105,19 +106,19 @@ affs_free_block(struct super_block *sb, u32 block)
        sb->s_dirt = 1;
        bm->bm_free++;
 
-       up(&sbi->s_bmlock);
+       mutex_unlock(&sbi->s_bmlock);
        return;
 
 err_free:
        affs_warning(sb,"affs_free_block","Trying to free block %u which is already free", block);
-       up(&sbi->s_bmlock);
+       mutex_unlock(&sbi->s_bmlock);
        return;
 
 err_bh_read:
        affs_error(sb,"affs_free_block","Cannot read bitmap block %u", bm->bm_key);
        sbi->s_bmap_bh = NULL;
        sbi->s_last_bmap = ~0;
-       up(&sbi->s_bmlock);
+       mutex_unlock(&sbi->s_bmlock);
        return;
 
 err_range:
@@ -128,7 +129,7 @@ err_range:
 /*
  * Allocate a block in the given allocation zone.
  * Since we have to byte-swap the bitmap on little-endian
- * machines, this is rather expensive. Therefor we will
+ * machines, this is rather expensive. Therefore we will
  * preallocate up to 16 blocks from the same word, if
  * possible. We are not doing preallocations in the
  * header zone, though.
@@ -168,7 +169,7 @@ affs_alloc_block(struct inode *inode, u32 goal)
        bmap = blk / sbi->s_bmap_bits;
        bm = &sbi->s_bitmap[bmap];
 
-       down(&sbi->s_bmlock);
+       mutex_lock(&sbi->s_bmlock);
 
        if (bm->bm_free)
                goto find_bmap_bit;
@@ -249,7 +250,7 @@ find_bit:
        mark_buffer_dirty(bh);
        sb->s_dirt = 1;
 
-       up(&sbi->s_bmlock);
+       mutex_unlock(&sbi->s_bmlock);
 
        pr_debug("%d\n", blk);
        return blk;
@@ -259,7 +260,7 @@ err_bh_read:
        sbi->s_bmap_bh = NULL;
        sbi->s_last_bmap = ~0;
 err_full:
-       up(&sbi->s_bmlock);
+       mutex_unlock(&sbi->s_bmlock);
        pr_debug("failed\n");
        return 0;
 }