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authorMatthias Kaehlcke <matthias@kaehlcke.net>2008-07-25 01:46:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:33 -0700
commit3084b72de73a6f8af0f16989ffb348068bd066d4 (patch)
treeef0993d1c2d8e14237cda0277eb68e4fb3653523 /fs/hfs/bitmap.c
parentde0ca06a99c33df8333955642843331ab6b6e7ff (diff)
hfs: convert bitmap_lock in a mutex
Apple Macintosh file system: The semaphore bitmap_lock is used as a mutex. Convert it to the mutex API Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hfs/bitmap.c')
-rw-r--r--fs/hfs/bitmap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/hfs/bitmap.c b/fs/hfs/bitmap.c
index 24e75798ddf..c6e97366e8a 100644
--- a/fs/hfs/bitmap.c
+++ b/fs/hfs/bitmap.c
@@ -145,7 +145,7 @@ u32 hfs_vbm_search_free(struct super_block *sb, u32 goal, u32 *num_bits)
if (!*num_bits)
return 0;
- down(&HFS_SB(sb)->bitmap_lock);
+ mutex_lock(&HFS_SB(sb)->bitmap_lock);
bitmap = HFS_SB(sb)->bitmap;
pos = hfs_find_set_zero_bits(bitmap, HFS_SB(sb)->fs_ablocks, goal, num_bits);
@@ -162,7 +162,7 @@ u32 hfs_vbm_search_free(struct super_block *sb, u32 goal, u32 *num_bits)
HFS_SB(sb)->free_ablocks -= *num_bits;
hfs_bitmap_dirty(sb);
out:
- up(&HFS_SB(sb)->bitmap_lock);
+ mutex_unlock(&HFS_SB(sb)->bitmap_lock);
return pos;
}
@@ -205,7 +205,7 @@ int hfs_clear_vbm_bits(struct super_block *sb, u16 start, u16 count)
if ((start + count) > HFS_SB(sb)->fs_ablocks)
return -2;
- down(&HFS_SB(sb)->bitmap_lock);
+ mutex_lock(&HFS_SB(sb)->bitmap_lock);
/* bitmap is always on a 32-bit boundary */
curr = HFS_SB(sb)->bitmap + (start / 32);
len = count;
@@ -236,7 +236,7 @@ int hfs_clear_vbm_bits(struct super_block *sb, u16 start, u16 count)
}
out:
HFS_SB(sb)->free_ablocks += len;
- up(&HFS_SB(sb)->bitmap_lock);
+ mutex_unlock(&HFS_SB(sb)->bitmap_lock);
hfs_bitmap_dirty(sb);
return 0;