[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>
This commit is contained in:
Ingo Molnar
Linus Torvalds
parent
910f5d202c
commit
1eb0d67007
@ -42,7 +42,7 @@
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#include <linux/quotaops.h>
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#include <linux/highmem.h>
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#include <linux/vfs.h>
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#include <asm/semaphore.h>
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#include <linux/mutex.h>
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#include <asm/byteorder.h>
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#include <asm/uaccess.h>
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@ -203,7 +203,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
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fmc = c->fmc;
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D3(printk (KERN_NOTICE "notify_change(): down biglock\n"));
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down(&fmc->biglock);
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mutex_lock(&fmc->biglock);
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f = jffs_find_file(c, inode->i_ino);
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@ -211,7 +211,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
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printk("jffs_setattr(): Invalid inode number: %lu\n",
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inode->i_ino);
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D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
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up(&fmc->biglock);
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mutex_unlock(&fmc->biglock);
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res = -EINVAL;
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goto out;
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});
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@ -232,7 +232,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
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if (!(new_node = jffs_alloc_node())) {
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D(printk("jffs_setattr(): Allocation failed!\n"));
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D3(printk (KERN_NOTICE "notify_change(): up biglock\n"));
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up(&fmc->biglock);
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mutex_unlock(&fmc->biglock);
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res = -ENOMEM;
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goto out;
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}
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@ -319,7 +319,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
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D(printk("jffs_notify_change(): The write failed!\n"));
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jffs_free_node(new_node);
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D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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goto out;
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}
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@ -327,7 +327,7 @@ jffs_setattr(struct dentry *dentry, struct iattr *iattr)
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mark_inode_dirty(inode);
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D3(printk (KERN_NOTICE "n_c(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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out:
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unlock_kernel();
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return res;
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@ -461,7 +461,7 @@ jffs_rename(struct inode *old_dir, struct dentry *old_dentry,
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goto jffs_rename_end;
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}
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D3(printk (KERN_NOTICE "rename(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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/* Create a node and initialize as much as needed. */
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result = -ENOMEM;
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if (!(node = jffs_alloc_node())) {
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@ -555,7 +555,7 @@ jffs_rename(struct inode *old_dir, struct dentry *old_dentry,
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jffs_rename_end:
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D3(printk (KERN_NOTICE "rename(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return result;
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} /* jffs_rename() */
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@ -574,14 +574,14 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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int ddino;
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lock_kernel();
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D3(printk (KERN_NOTICE "readdir(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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D2(printk("jffs_readdir(): inode: 0x%p, filp: 0x%p\n", inode, filp));
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if (filp->f_pos == 0) {
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D3(printk("jffs_readdir(): \".\" %lu\n", inode->i_ino));
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if (filldir(dirent, ".", 1, filp->f_pos, inode->i_ino, DT_DIR) < 0) {
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D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return 0;
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}
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@ -598,7 +598,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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D3(printk("jffs_readdir(): \"..\" %u\n", ddino));
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if (filldir(dirent, "..", 2, filp->f_pos, ddino, DT_DIR) < 0) {
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D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return 0;
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}
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@ -617,7 +617,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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if (filldir(dirent, f->name, f->nsize,
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filp->f_pos , f->ino, DT_UNKNOWN) < 0) {
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D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return 0;
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}
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@ -627,7 +627,7 @@ jffs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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} while(f && f->deleted);
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}
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D3(printk (KERN_NOTICE "readdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return filp->f_pos;
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} /* jffs_readdir() */
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@ -660,7 +660,7 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
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});
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D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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r = -ENAMETOOLONG;
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if (len > JFFS_MAX_NAME_LEN) {
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@ -683,31 +683,31 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
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if ((len == 1) && (name[0] == '.')) {
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D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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if (!(inode = iget(dir->i_sb, d->ino))) {
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D(printk("jffs_lookup(): . iget() ==> NULL\n"));
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goto jffs_lookup_end_no_biglock;
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}
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D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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} else if ((len == 2) && (name[0] == '.') && (name[1] == '.')) {
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D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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if (!(inode = iget(dir->i_sb, d->pino))) {
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D(printk("jffs_lookup(): .. iget() ==> NULL\n"));
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goto jffs_lookup_end_no_biglock;
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}
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D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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} else if ((f = jffs_find_child(d, name, len))) {
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D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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if (!(inode = iget(dir->i_sb, f->ino))) {
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D(printk("jffs_lookup(): iget() ==> NULL\n"));
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goto jffs_lookup_end_no_biglock;
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}
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D3(printk (KERN_NOTICE "lookup(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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} else {
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D3(printk("jffs_lookup(): Couldn't find the file. "
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"f = 0x%p, name = \"%s\", d = 0x%p, d->ino = %u\n",
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@ -717,13 +717,13 @@ jffs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
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d_add(dentry, inode);
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D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return NULL;
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jffs_lookup_end:
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D3(printk (KERN_NOTICE "lookup(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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jffs_lookup_end_no_biglock:
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unlock_kernel();
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@ -753,7 +753,7 @@ jffs_do_readpage_nolock(struct file *file, struct page *page)
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ClearPageError(page);
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D3(printk (KERN_NOTICE "readpage(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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read_len = 0;
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result = 0;
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@ -782,7 +782,7 @@ jffs_do_readpage_nolock(struct file *file, struct page *page)
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kunmap(page);
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D3(printk (KERN_NOTICE "readpage(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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if (result) {
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SetPageError(page);
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@ -839,7 +839,7 @@ jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
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c = dir_f->c;
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D3(printk (KERN_NOTICE "mkdir(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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dir_mode = S_IFDIR | (mode & (S_IRWXUGO|S_ISVTX)
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& ~current->fs->umask);
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@ -906,7 +906,7 @@ jffs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
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result = 0;
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jffs_mkdir_end:
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D3(printk (KERN_NOTICE "mkdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return result;
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} /* jffs_mkdir() */
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@ -921,10 +921,10 @@ jffs_rmdir(struct inode *dir, struct dentry *dentry)
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D3(printk("***jffs_rmdir()\n"));
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D3(printk (KERN_NOTICE "rmdir(): down biglock\n"));
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lock_kernel();
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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ret = jffs_remove(dir, dentry, S_IFDIR);
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D3(printk (KERN_NOTICE "rmdir(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return ret;
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}
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@ -940,10 +940,10 @@ jffs_unlink(struct inode *dir, struct dentry *dentry)
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lock_kernel();
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D3(printk("***jffs_unlink()\n"));
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D3(printk (KERN_NOTICE "unlink(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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ret = jffs_remove(dir, dentry, 0);
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D3(printk (KERN_NOTICE "unlink(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return ret;
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}
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@ -1086,7 +1086,7 @@ jffs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
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c = dir_f->c;
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D3(printk (KERN_NOTICE "mknod(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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/* Create and initialize a new node. */
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if (!(node = jffs_alloc_node())) {
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@ -1152,7 +1152,7 @@ jffs_mknod_err:
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jffs_mknod_end:
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D3(printk (KERN_NOTICE "mknod(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return result;
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} /* jffs_mknod() */
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@ -1203,7 +1203,7 @@ jffs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
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return -ENOMEM;
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}
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D3(printk (KERN_NOTICE "symlink(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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node->data_offset = 0;
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node->removed_size = 0;
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@ -1253,7 +1253,7 @@ jffs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
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d_instantiate(dentry, inode);
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jffs_symlink_end:
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D3(printk (KERN_NOTICE "symlink(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return err;
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} /* jffs_symlink() */
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@ -1306,7 +1306,7 @@ jffs_create(struct inode *dir, struct dentry *dentry, int mode,
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return -ENOMEM;
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}
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D3(printk (KERN_NOTICE "create(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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node->data_offset = 0;
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node->removed_size = 0;
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@ -1359,7 +1359,7 @@ jffs_create(struct inode *dir, struct dentry *dentry, int mode,
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d_instantiate(dentry, inode);
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jffs_create_end:
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D3(printk (KERN_NOTICE "create(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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unlock_kernel();
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return err;
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} /* jffs_create() */
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@ -1423,7 +1423,7 @@ jffs_file_write(struct file *filp, const char *buf, size_t count,
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thiscount = min(c->fmc->max_chunk_size - sizeof(struct jffs_raw_inode), count);
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D3(printk (KERN_NOTICE "file_write(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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/* Urgh. POSIX says we can do short writes if we feel like it.
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* In practice, we can't. Nothing will cope. So we loop until
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@ -1511,7 +1511,7 @@ jffs_file_write(struct file *filp, const char *buf, size_t count,
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}
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out:
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D3(printk (KERN_NOTICE "file_write(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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/* Fix things in the real inode. */
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if (pos > inode->i_size) {
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@ -1567,7 +1567,7 @@ jffs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
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return -EIO;
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}
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D3(printk (KERN_NOTICE "ioctl(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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switch (cmd) {
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case JFFS_PRINT_HASH:
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@ -1609,7 +1609,7 @@ jffs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
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ret = -ENOTTY;
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}
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D3(printk (KERN_NOTICE "ioctl(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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return ret;
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} /* jffs_ioctl() */
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@ -1685,12 +1685,12 @@ jffs_read_inode(struct inode *inode)
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}
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c = (struct jffs_control *)inode->i_sb->s_fs_info;
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D3(printk (KERN_NOTICE "read_inode(): down biglock\n"));
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down(&c->fmc->biglock);
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mutex_lock(&c->fmc->biglock);
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if (!(f = jffs_find_file(c, inode->i_ino))) {
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D(printk("jffs_read_inode(): No such inode (%lu).\n",
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inode->i_ino));
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D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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return;
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}
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inode->u.generic_ip = (void *)f;
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@ -1732,7 +1732,7 @@ jffs_read_inode(struct inode *inode)
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}
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D3(printk (KERN_NOTICE "read_inode(): up biglock\n"));
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up(&c->fmc->biglock);
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mutex_unlock(&c->fmc->biglock);
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}
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@ -62,7 +62,7 @@
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#include <linux/fs.h>
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#include <linux/stat.h>
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#include <linux/pagemap.h>
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#include <asm/semaphore.h>
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#include <linux/mutex.h>
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#include <asm/byteorder.h>
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#include <linux/smp_lock.h>
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#include <linux/time.h>
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@ -3416,7 +3416,7 @@ jffs_garbage_collect_thread(void *ptr)
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D1(printk (KERN_NOTICE "jffs_garbage_collect_thread(): collecting.\n"));
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D3(printk (KERN_NOTICE "g_c_thread(): down biglock\n"));
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down(&fmc->biglock);
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mutex_lock(&fmc->biglock);
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D1(printk("***jffs_garbage_collect_thread(): round #%u, "
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"fmc->dirty_size = %u\n", i++, fmc->dirty_size));
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@ -3447,6 +3447,6 @@ jffs_garbage_collect_thread(void *ptr)
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gc_end:
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D3(printk (KERN_NOTICE "g_c_thread(): up biglock\n"));
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up(&fmc->biglock);
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mutex_unlock(&fmc->biglock);
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} /* for (;;) */
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} /* jffs_garbage_collect_thread() */
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@ -139,7 +139,7 @@ jffs_build_begin(struct jffs_control *c, int unit)
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fmc->tail = NULL;
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fmc->head_extra = NULL;
|
||||
fmc->tail_extra = NULL;
|
||||
init_MUTEX(&fmc->biglock);
|
||||
mutex_init(&fmc->biglock);
|
||||
return fmc;
|
||||
}
|
||||
|
||||
|
||||
@ -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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user