[PATCH] sem2mutex: HPFS

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 40 insertions, 39 deletions

diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 6628c3b352cb..4c6473ab3b34 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -9,6 +9,7 @@
 //#define DBG
 //#define DEBUG_LOCKS
 
+#include <linux/mutex.h>
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/hpfs_fs.h>
@@ -57,8 +58,8 @@ struct hpfs_inode_info {
         unsigned i_ea_uid : 1;  /* file's uid is stored in ea */
         unsigned i_ea_gid : 1;  /* file's gid is stored in ea */
         unsigned i_dirty : 1;
-        struct semaphore i_sem;
-        struct semaphore i_parent;
+        struct mutex i_mutex;
+        struct mutex i_parent_mutex;
         loff_t **i_rddir_off;
         struct inode vfs_inode;
 };
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index e3d17e9ea6c1..56f2c338c4d9 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -186,9 +186,9 @@ void hpfs_write_inode(struct inode *i)
                 kfree(hpfs_inode->i_rddir_off);
                 hpfs_inode->i_rddir_off = NULL;
         }
-        down(&hpfs_inode->i_parent);
+        mutex_lock(&hpfs_inode->i_parent_mutex);
         if (!i->i_nlink) {
-                up(&hpfs_inode->i_parent);
+                mutex_unlock(&hpfs_inode->i_parent_mutex);
                 return;
         }
         parent = iget_locked(i->i_sb, hpfs_inode->i_parent_dir);
@@ -199,14 +199,14 @@ void hpfs_write_inode(struct inode *i)
                         hpfs_read_inode(parent);
                         unlock_new_inode(parent);
                 }
-                down(&hpfs_inode->i_sem);
+                mutex_lock(&hpfs_inode->i_mutex);
                 hpfs_write_inode_nolock(i);
-                up(&hpfs_inode->i_sem);
+                mutex_unlock(&hpfs_inode->i_mutex);
                 iput(parent);
         } else {
                 mark_inode_dirty(i);
         }
-        up(&hpfs_inode->i_parent);
+        mutex_unlock(&hpfs_inode->i_parent_mutex);
 }
 
 void hpfs_write_inode_nolock(struct inode *i)
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 8ff8fc433fc1..a03abb12c610 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -60,7 +60,7 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
         if (dee.read_only)
                 result->i_mode &= ~0222;
 
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
         if (r == 1)
                 goto bail3;
@@ -101,11 +101,11 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
                 hpfs_write_inode_nolock(result);
         }
         d_instantiate(dentry, result);
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         unlock_kernel();
         return 0;
 bail3:
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         iput(result);
 bail2:
         hpfs_brelse4(&qbh0);
@@ -168,7 +168,7 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
         result->i_data.a_ops = &hpfs_aops;
         hpfs_i(result)->mmu_private = 0;
 
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
         if (r == 1)
                 goto bail2;
@@ -193,12 +193,12 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
                 hpfs_write_inode_nolock(result);
         }
         d_instantiate(dentry, result);
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         unlock_kernel();
         return 0;
 
 bail2:
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         iput(result);
 bail1:
         brelse(bh);
@@ -254,7 +254,7 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
         result->i_blocks = 1;
         init_special_inode(result, mode, rdev);
 
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
         if (r == 1)
                 goto bail2;
@@ -271,12 +271,12 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
 
         hpfs_write_inode_nolock(result);
         d_instantiate(dentry, result);
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         brelse(bh);
         unlock_kernel();
         return 0;
 bail2:
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         iput(result);
 bail1:
         brelse(bh);
@@ -333,7 +333,7 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
         result->i_op = &page_symlink_inode_operations;
         result->i_data.a_ops = &hpfs_symlink_aops;
 
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
         if (r == 1)
                 goto bail2;
@@ -352,11 +352,11 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
 
         hpfs_write_inode_nolock(result);
         d_instantiate(dentry, result);
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         unlock_kernel();
         return 0;
 bail2:
-        up(&hpfs_i(dir)->i_sem);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
         iput(result);
 bail1:
         brelse(bh);
@@ -382,8 +382,8 @@ static int hpfs_unlink(struct inode *dir, struct dentry *dentry)
         lock_kernel();
         hpfs_adjust_length((char *)name, &len);
 again:
-        down(&hpfs_i(inode)->i_parent);
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(inode)->i_parent_mutex);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         err = -ENOENT;
         de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
         if (!de)
@@ -410,8 +410,8 @@ again:
                 if (rep++)
                         break;
 
-                up(&hpfs_i(dir)->i_sem);
-                up(&hpfs_i(inode)->i_parent);
+                mutex_unlock(&hpfs_i(dir)->i_mutex);
+                mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
                 d_drop(dentry);
                 spin_lock(&dentry->d_lock);
                 if (atomic_read(&dentry->d_count) > 1 ||
@@ -442,8 +442,8 @@ again:
 out1:
         hpfs_brelse4(&qbh);
 out:
-        up(&hpfs_i(dir)->i_sem);
-        up(&hpfs_i(inode)->i_parent);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
+        mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
         unlock_kernel();
         return err;
 }
@@ -463,8 +463,8 @@ static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
 
         hpfs_adjust_length((char *)name, &len);
         lock_kernel();
-        down(&hpfs_i(inode)->i_parent);
-        down(&hpfs_i(dir)->i_sem);
+        mutex_lock(&hpfs_i(inode)->i_parent_mutex);
+        mutex_lock(&hpfs_i(dir)->i_mutex);
         err = -ENOENT;
         de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
         if (!de)
@@ -502,8 +502,8 @@ static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
 out1:
         hpfs_brelse4(&qbh);
 out:
-        up(&hpfs_i(dir)->i_sem);
-        up(&hpfs_i(inode)->i_parent);
+        mutex_unlock(&hpfs_i(dir)->i_mutex);
+        mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
         unlock_kernel();
         return err;
 }
@@ -565,12 +565,12 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 
         lock_kernel();
         /* order doesn't matter, due to VFS exclusion */
-        down(&hpfs_i(i)->i_parent);
+        mutex_lock(&hpfs_i(i)->i_parent_mutex);
         if (new_inode)
-                down(&hpfs_i(new_inode)->i_parent);
-        down(&hpfs_i(old_dir)->i_sem);
+                mutex_lock(&hpfs_i(new_inode)->i_parent_mutex);
+        mutex_lock(&hpfs_i(old_dir)->i_mutex);
         if (new_dir != old_dir)
-                down(&hpfs_i(new_dir)->i_sem);
+                mutex_lock(&hpfs_i(new_dir)->i_mutex);
         
         /* Erm? Moving over the empty non-busy directory is perfectly legal */
         if (new_inode && S_ISDIR(new_inode->i_mode)) {
@@ -650,11 +650,11 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
         hpfs_decide_conv(i, (char *)new_name, new_len);
 end1:
         if (old_dir != new_dir)
-                up(&hpfs_i(new_dir)->i_sem);
-        up(&hpfs_i(old_dir)->i_sem);
-        up(&hpfs_i(i)->i_parent);
+                mutex_unlock(&hpfs_i(new_dir)->i_mutex);
+        mutex_unlock(&hpfs_i(old_dir)->i_mutex);
+        mutex_unlock(&hpfs_i(i)->i_parent_mutex);
         if (new_inode)
-                up(&hpfs_i(new_inode)->i_parent);
+                mutex_unlock(&hpfs_i(new_inode)->i_parent_mutex);
         unlock_kernel();
         return err;
 }
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 63e88d7e2c3b..9488a794076e 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -181,8 +181,8 @@ static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
 
         if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
             SLAB_CTOR_CONSTRUCTOR) {
-                init_MUTEX(&ei->i_sem);
-                init_MUTEX(&ei->i_parent);
+                mutex_init(&ei->i_mutex);
+                mutex_init(&ei->i_parent_mutex);
                 inode_init_once(&ei->vfs_inode);
         }
 }