[PATCH] sem2mutex: JFFS

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>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 50 insertions, 49 deletions

diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c
index fc3855a1aef3..890d7ff7456d 100644
--- a/fs/jffs/inode-v23.c
+++ b/fs/jffs/inode-v23.c
@@ -42,7 +42,7 @@
 #include <linux/quotaops.h>
 #include <linux/highmem.h>
 #include <linux/vfs.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/byteorder.h>
 #include <asm/uaccess.h>
 
@@ -203,7 +203,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
         fmc = c->fmc;
 
         D3(printk (KERN_NOTICE "notify_change(): down biglock\n"));
-        down(&fmc->biglock);
+        mutex_lock(&fmc->biglock);
 
         f = jffs_find_file(c, inode->i_ino);
 
@@ -211,7 +211,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
                 printk("jffs_setattr(): Invalid inode number: %lu\n",
                        inode->i_ino);
                 D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
-                up(&fmc->biglock);
+                mutex_unlock(&fmc->biglock);
                 res = -EINVAL;
                 goto out;
         });
@@ -232,7 +232,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
         if (!(new_node = jffs_alloc_node())) {
                 D(printk("jffs_setattr(): Allocation failed!\n"));
                 D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
-                up(&fmc->biglock);
+                mutex_unlock(&fmc->biglock);
                 res = -ENOMEM;
                 goto out;
         }
@@ -319,7 +319,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
                 D(printk("jffs_notify_change(): The write failed!\n"));
                 jffs_free_node(new_node);
                 D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
-                up(&c->fmc->biglock);
+                mutex_unlock(&c->fmc->biglock);
                 goto out;
         }
 
@@ -327,7 +327,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
 
         mark_inode_dirty(inode);
         D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
 out:
         unlock_kernel();
         return res;
@@ -461,7 +461,7 @@ jffs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 goto jffs_rename_end;
         }
         D3(printk (KERN_NOTICE "rename(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
         /* Create a node and initialize as much as needed.  */
         result = -ENOMEM;
         if (!(node = jffs_alloc_node())) {
@@ -555,7 +555,7 @@ jffs_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 jffs_rename_end:
         D3(printk (KERN_NOTICE "rename(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return result;
 } /* jffs_rename()  */
@@ -574,14 +574,14 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
         int ddino;
         lock_kernel();
         D3(printk (KERN_NOTICE "readdir(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         D2(printk("jffs_readdir(): inode: 0x%p, filp: 0x%p\n", inode, filp));
         if (filp->f_pos == 0) {
                 D3(printk("jffs_readdir(): \".\" %lu\n", inode->i_ino));
                 if (filldir(dirent, ".", 1, filp->f_pos, inode->i_ino, DT_DIR) < 0) {
                         D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-                        up(&c->fmc->biglock);
+                        mutex_unlock(&c->fmc->biglock);
                         unlock_kernel();
                         return 0;
                 }
@@ -598,7 +598,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
                 D3(printk("jffs_readdir(): \"..\" %u\n", ddino));
                 if (filldir(dirent, "..", 2, filp->f_pos, ddino, DT_DIR) < 0) {
                         D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-                        up(&c->fmc->biglock);
+                        mutex_unlock(&c->fmc->biglock);
                         unlock_kernel();
                         return 0;
                 }
@@ -617,7 +617,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
                 if (filldir(dirent, f->name, f->nsize,
                             filp->f_pos , f->ino, DT_UNKNOWN) < 0) {
                         D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-                        up(&c->fmc->biglock);
+                        mutex_unlock(&c->fmc->biglock);
                         unlock_kernel();
                         return 0;
                 }
@@ -627,7 +627,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
                 } while(f && f->deleted);
         }
         D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return filp->f_pos;
 } /* jffs_readdir()  */
@@ -660,7 +660,7 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
         });
 
         D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         r = -ENAMETOOLONG;
         if (len > JFFS_MAX_NAME_LEN) {
@@ -683,31 +683,31 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 
         if ((len == 1) && (name[0] == '.')) {
                 D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-                up(&c->fmc->biglock);
+                mutex_unlock(&c->fmc->biglock);
                 if (!(inode = iget(dir->i_sb, d->ino))) {
                         D(printk("jffs_lookup(): . iget() ==> NULL\n"));
                         goto jffs_lookup_end_no_biglock;
                 }
                 D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-                down(&c->fmc->biglock);
+                mutex_lock(&c->fmc->biglock);
         } else if ((len == 2) && (name[0] == '.') && (name[1] == '.')) {
                 D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-                up(&c->fmc->biglock);
+                mutex_unlock(&c->fmc->biglock);
                 if (!(inode = iget(dir->i_sb, d->pino))) {
                         D(printk("jffs_lookup(): .. iget() ==> NULL\n"));
                         goto jffs_lookup_end_no_biglock;
                 }
                 D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-                down(&c->fmc->biglock);
+                mutex_lock(&c->fmc->biglock);
         } else if ((f = jffs_find_child(d, name, len))) {
                 D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-                up(&c->fmc->biglock);
+                mutex_unlock(&c->fmc->biglock);
                 if (!(inode = iget(dir->i_sb, f->ino))) {
                         D(printk("jffs_lookup(): iget() ==> NULL\n"));
                         goto jffs_lookup_end_no_biglock;
                 }
                 D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
-                down(&c->fmc->biglock);
+                mutex_lock(&c->fmc->biglock);
         } else {
                 D3(printk("jffs_lookup(): Couldn't find the file. "
                           "f = 0x%p, name = \"%s\", d = 0x%p, d->ino = %u\n",
@@ -717,13 +717,13 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 
         d_add(dentry, inode);
         D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return NULL;
 
 jffs_lookup_end:
         D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
 
 jffs_lookup_end_no_biglock:
         unlock_kernel();
@@ -753,7 +753,7 @@ jffs_do_readpage_nolock(struct file *file, struct page *page)
         ClearPageError(page);
 
         D3(printk (KERN_NOTICE "readpage(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         read_len = 0;
         result = 0;
@@ -782,7 +782,7 @@ jffs_do_readpage_nolock(struct file *file, struct page *page)
         kunmap(page);
 
         D3(printk (KERN_NOTICE "readpage(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
 
         if (result) {
                 SetPageError(page);
@@ -839,7 +839,7 @@ jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 
         c = dir_f->c;
         D3(printk (KERN_NOTICE "mkdir(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         dir_mode = S_IFDIR | (mode & (S_IRWXUGO|S_ISVTX)
                               & ~current->fs->umask);
@@ -906,7 +906,7 @@ jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
         result = 0;
 jffs_mkdir_end:
         D3(printk (KERN_NOTICE "mkdir(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return result;
 } /* jffs_mkdir()  */
@@ -921,10 +921,10 @@ jffs_rmdir(struct inode *dir, struct dentry *dentry)
         D3(printk("***jffs_rmdir()\n"));
         D3(printk (KERN_NOTICE "rmdir(): down biglock\n"));
         lock_kernel();
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
         ret = jffs_remove(dir, dentry, S_IFDIR);
         D3(printk (KERN_NOTICE "rmdir(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return ret;
 }
@@ -940,10 +940,10 @@ jffs_unlink(struct inode *dir, struct dentry *dentry)
         lock_kernel();
         D3(printk("***jffs_unlink()\n"));
         D3(printk (KERN_NOTICE "unlink(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
         ret = jffs_remove(dir, dentry, 0);
         D3(printk (KERN_NOTICE "unlink(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return ret;
 }
@@ -1086,7 +1086,7 @@ jffs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
         c = dir_f->c;
 
         D3(printk (KERN_NOTICE "mknod(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         /* Create and initialize a new node.  */
         if (!(node = jffs_alloc_node())) {
@@ -1152,7 +1152,7 @@ jffs_mknod_err:
 
 jffs_mknod_end:
         D3(printk (KERN_NOTICE "mknod(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return result;
 } /* jffs_mknod()  */
@@ -1203,7 +1203,7 @@ jffs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
                 return -ENOMEM;
         }
         D3(printk (KERN_NOTICE "symlink(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         node->data_offset = 0;
         node->removed_size = 0;
@@ -1253,7 +1253,7 @@ jffs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
         d_instantiate(dentry, inode);
  jffs_symlink_end:
         D3(printk (KERN_NOTICE "symlink(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return err;
 } /* jffs_symlink()  */
@@ -1306,7 +1306,7 @@ jffs_create(struct inode *dir, struct dentry *dentry, int mode,
                 return -ENOMEM;
         }
         D3(printk (KERN_NOTICE "create(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         node->data_offset = 0;
         node->removed_size = 0;
@@ -1359,7 +1359,7 @@ jffs_create(struct inode *dir, struct dentry *dentry, int mode,
         d_instantiate(dentry, inode);
  jffs_create_end:
         D3(printk (KERN_NOTICE "create(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         unlock_kernel();
         return err;
 } /* jffs_create()  */
@@ -1423,7 +1423,7 @@ jffs_file_write(struct file *filp, const char *buf, size_t count,
         thiscount = min(c->fmc->max_chunk_size - sizeof(struct jffs_raw_inode), count);
 
         D3(printk (KERN_NOTICE "file_write(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         /* Urgh. POSIX says we can do short writes if we feel like it. 
          * In practice, we can't. Nothing will cope. So we loop until
@@ -1511,7 +1511,7 @@ jffs_file_write(struct file *filp, const char *buf, size_t count,
         }
  out:
         D3(printk (KERN_NOTICE "file_write(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
 
         /* Fix things in the real inode.  */
         if (pos > inode->i_size) {
@@ -1567,7 +1567,7 @@ jffs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                 return -EIO;
         }
         D3(printk (KERN_NOTICE "ioctl(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
 
         switch (cmd) {
         case JFFS_PRINT_HASH:
@@ -1609,7 +1609,7 @@ jffs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
                 ret = -ENOTTY;
         }
         D3(printk (KERN_NOTICE "ioctl(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
         return ret;
 } /* jffs_ioctl()  */
 
@@ -1685,12 +1685,12 @@ jffs_read_inode(struct inode *inode)
         }
         c = (struct jffs_control *)inode->i_sb->s_fs_info;
         D3(printk (KERN_NOTICE "read_inode(): down biglock\n"));
-        down(&c->fmc->biglock);
+        mutex_lock(&c->fmc->biglock);
         if (!(f = jffs_find_file(c, inode->i_ino))) {
                 D(printk("jffs_read_inode(): No such inode (%lu).\n",
                          inode->i_ino));
                 D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
-                up(&c->fmc->biglock);
+                mutex_unlock(&c->fmc->biglock);
                 return;
         }
         inode->u.generic_ip = (void *)f;
@@ -1732,7 +1732,7 @@ jffs_read_inode(struct inode *inode)
         }
 
         D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
-        up(&c->fmc->biglock);
+        mutex_unlock(&c->fmc->biglock);
 }
 
 
diff --git a/fs/jffs/intrep.c b/fs/jffs/intrep.c
index ce7b54b0b2b7..0ef207dfaf6f 100644
--- a/fs/jffs/intrep.c
+++ b/fs/jffs/intrep.c
@@ -62,7 +62,7 @@
 #include <linux/fs.h>
 #include <linux/stat.h>
 #include <linux/pagemap.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/byteorder.h>
 #include <linux/smp_lock.h>
 #include <linux/time.h>
@@ -3416,7 +3416,7 @@ jffs_garbage_collect_thread(void *ptr)
                 D1(printk (KERN_NOTICE "jffs_garbage_collect_thread(): collecting.\n"));
 
                 D3(printk (KERN_NOTICE "g_c_thread(): down biglock\n"));
-                down(&fmc->biglock);
+                mutex_lock(&fmc->biglock);
                 
                 D1(printk("***jffs_garbage_collect_thread(): round #%u, "
                           "fmc->dirty_size = %u\n", i++, fmc->dirty_size));
@@ -3447,6 +3447,6 @@ jffs_garbage_collect_thread(void *ptr)
                 
         gc_end:
                 D3(printk (KERN_NOTICE "g_c_thread(): up biglock\n"));
-                up(&fmc->biglock);
+                mutex_unlock(&fmc->biglock);
         } /* for (;;) */
 } /* jffs_garbage_collect_thread() */
diff --git a/fs/jffs/jffs_fm.c b/fs/jffs/jffs_fm.c
index 6da13b309bd1..7d8ca1aeace2 100644
--- a/fs/jffs/jffs_fm.c
+++ b/fs/jffs/jffs_fm.c
@@ -139,7 +139,7 @@ jffs_build_begin(struct jffs_control *c, int unit)
         fmc->tail = NULL;
         fmc->head_extra = NULL;
         fmc->tail_extra = NULL;
-        init_MUTEX(&fmc->biglock);
+        mutex_init(&fmc->biglock);
         return fmc;
 }
 
diff --git a/fs/jffs/jffs_fm.h b/fs/jffs/jffs_fm.h
index f64151e74122..c794d923df2a 100644
--- a/fs/jffs/jffs_fm.h
+++ b/fs/jffs/jffs_fm.h
@@ -20,10 +20,11 @@
 #ifndef __LINUX_JFFS_FM_H__
 #define __LINUX_JFFS_FM_H__
 
+#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/jffs.h>
 #include <linux/mtd/mtd.h>
-#include <linux/config.h>
+#include <linux/mutex.h>
 
 /* The alignment between two nodes in the flash memory.  */
 #define JFFS_ALIGN_SIZE 4
@@ -97,7 +98,7 @@ struct jffs_fmcontrol
         struct jffs_fm *tail;
         struct jffs_fm *head_extra;
         struct jffs_fm *tail_extra;
-        struct semaphore biglock;
+        struct mutex biglock;
 };
 
 /* Notice the two members head_extra and tail_extra in the jffs_control