hfsplus: convert the extents_lock in a mutex

Apple Extended HFS file system: The semaphore extents 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>

1 files changed, 7 insertions, 7 deletions

diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 12e899cd7886..fec8f61227ff 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -199,16 +199,16 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock,
                 goto done;
         }
 
-        down(&HFSPLUS_I(inode).extents_lock);
+        mutex_lock(&HFSPLUS_I(inode).extents_lock);
         res = hfsplus_ext_read_extent(inode, ablock);
         if (!res) {
                 dblock = hfsplus_ext_find_block(HFSPLUS_I(inode).cached_extents, ablock -
                                              HFSPLUS_I(inode).cached_start);
         } else {
-                up(&HFSPLUS_I(inode).extents_lock);
+                mutex_unlock(&HFSPLUS_I(inode).extents_lock);
                 return -EIO;
         }
-        up(&HFSPLUS_I(inode).extents_lock);
+        mutex_unlock(&HFSPLUS_I(inode).extents_lock);
 
 done:
         dprint(DBG_EXTENT, "get_block(%lu): %llu - %u\n", inode->i_ino, (long long)iblock, dblock);
@@ -355,7 +355,7 @@ int hfsplus_file_extend(struct inode *inode)
                 return -ENOSPC;
         }
 
-        down(&HFSPLUS_I(inode).extents_lock);
+        mutex_lock(&HFSPLUS_I(inode).extents_lock);
         if (HFSPLUS_I(inode).alloc_blocks == HFSPLUS_I(inode).first_blocks)
                 goal = hfsplus_ext_lastblock(HFSPLUS_I(inode).first_extents);
         else {
@@ -408,7 +408,7 @@ int hfsplus_file_extend(struct inode *inode)
                         goto insert_extent;
         }
 out:
-        up(&HFSPLUS_I(inode).extents_lock);
+        mutex_unlock(&HFSPLUS_I(inode).extents_lock);
         if (!res) {
                 HFSPLUS_I(inode).alloc_blocks += len;
                 mark_inode_dirty(inode);
@@ -465,7 +465,7 @@ void hfsplus_file_truncate(struct inode *inode)
         if (blk_cnt == alloc_cnt)
                 goto out;
 
-        down(&HFSPLUS_I(inode).extents_lock);
+        mutex_lock(&HFSPLUS_I(inode).extents_lock);
         hfs_find_init(HFSPLUS_SB(sb).ext_tree, &fd);
         while (1) {
                 if (alloc_cnt == HFSPLUS_I(inode).first_blocks) {
@@ -492,7 +492,7 @@ void hfsplus_file_truncate(struct inode *inode)
                 hfs_brec_remove(&fd);
         }
         hfs_find_exit(&fd);
-        up(&HFSPLUS_I(inode).extents_lock);
+        mutex_unlock(&HFSPLUS_I(inode).extents_lock);
 
         HFSPLUS_I(inode).alloc_blocks = blk_cnt;
 out: