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[PATCH] sem2mutex: fs/
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: Eric Van Hensbergen <ericvh@ericvh.myip.org> Cc: Robert Love <rml@tech9.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Dave Kleikamp <shaggy@austin.ibm.com> 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
e655a250d5
commit
353ab6e97b
@ -22,6 +22,7 @@
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#include <linux/cramfs_fs_sb.h>
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#include <linux/buffer_head.h>
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#include <linux/vfs.h>
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#include <linux/mutex.h>
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#include <asm/semaphore.h>
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#include <asm/uaccess.h>
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@ -31,7 +32,7 @@ static struct inode_operations cramfs_dir_inode_operations;
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static struct file_operations cramfs_directory_operations;
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static struct address_space_operations cramfs_aops;
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static DECLARE_MUTEX(read_mutex);
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static DEFINE_MUTEX(read_mutex);
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/* These two macros may change in future, to provide better st_ino
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@ -250,20 +251,20 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
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memset(sbi, 0, sizeof(struct cramfs_sb_info));
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/* Invalidate the read buffers on mount: think disk change.. */
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down(&read_mutex);
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mutex_lock(&read_mutex);
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for (i = 0; i < READ_BUFFERS; i++)
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buffer_blocknr[i] = -1;
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/* Read the first block and get the superblock from it */
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memcpy(&super, cramfs_read(sb, 0, sizeof(super)), sizeof(super));
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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/* Do sanity checks on the superblock */
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if (super.magic != CRAMFS_MAGIC) {
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/* check at 512 byte offset */
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down(&read_mutex);
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mutex_lock(&read_mutex);
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memcpy(&super, cramfs_read(sb, 512, sizeof(super)), sizeof(super));
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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if (super.magic != CRAMFS_MAGIC) {
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if (!silent)
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printk(KERN_ERR "cramfs: wrong magic\n");
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@ -366,7 +367,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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mode_t mode;
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int namelen, error;
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down(&read_mutex);
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mutex_lock(&read_mutex);
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de = cramfs_read(sb, OFFSET(inode) + offset, sizeof(*de)+256);
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name = (char *)(de+1);
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@ -379,7 +380,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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memcpy(buf, name, namelen);
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ino = CRAMINO(de);
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mode = de->mode;
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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nextoffset = offset + sizeof(*de) + namelen;
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for (;;) {
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if (!namelen) {
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@ -410,7 +411,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
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unsigned int offset = 0;
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int sorted;
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down(&read_mutex);
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mutex_lock(&read_mutex);
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sorted = CRAMFS_SB(dir->i_sb)->flags & CRAMFS_FLAG_SORTED_DIRS;
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while (offset < dir->i_size) {
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struct cramfs_inode *de;
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@ -433,7 +434,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
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for (;;) {
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if (!namelen) {
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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return ERR_PTR(-EIO);
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}
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if (name[namelen-1])
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@ -447,7 +448,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
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continue;
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if (!retval) {
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struct cramfs_inode entry = *de;
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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d_add(dentry, get_cramfs_inode(dir->i_sb, &entry));
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return NULL;
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}
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@ -455,7 +456,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
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if (sorted)
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break;
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}
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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d_add(dentry, NULL);
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return NULL;
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}
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@ -474,21 +475,21 @@ static int cramfs_readpage(struct file *file, struct page * page)
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u32 start_offset, compr_len;
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start_offset = OFFSET(inode) + maxblock*4;
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down(&read_mutex);
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mutex_lock(&read_mutex);
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if (page->index)
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start_offset = *(u32 *) cramfs_read(sb, blkptr_offset-4, 4);
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compr_len = (*(u32 *) cramfs_read(sb, blkptr_offset, 4) - start_offset);
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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pgdata = kmap(page);
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if (compr_len == 0)
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; /* hole */
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else {
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down(&read_mutex);
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mutex_lock(&read_mutex);
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bytes_filled = cramfs_uncompress_block(pgdata,
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PAGE_CACHE_SIZE,
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cramfs_read(sb, start_offset, compr_len),
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compr_len);
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up(&read_mutex);
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mutex_unlock(&read_mutex);
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}
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} else
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pgdata = kmap(page);
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@ -23,6 +23,7 @@
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#include <linux/mm.h>
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#include <linux/errno.h>
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#include <linux/dcookies.h>
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#include <linux/mutex.h>
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#include <asm/uaccess.h>
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/* The dcookies are allocated from a kmem_cache and
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@ -36,7 +37,7 @@ struct dcookie_struct {
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};
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static LIST_HEAD(dcookie_users);
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static DECLARE_MUTEX(dcookie_sem);
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static DEFINE_MUTEX(dcookie_mutex);
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static kmem_cache_t * dcookie_cache;
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static struct list_head * dcookie_hashtable;
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static size_t hash_size;
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@ -114,7 +115,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
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int err = 0;
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struct dcookie_struct * dcs;
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down(&dcookie_sem);
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mutex_lock(&dcookie_mutex);
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if (!is_live()) {
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err = -EINVAL;
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@ -134,7 +135,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
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*cookie = dcookie_value(dcs);
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out:
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up(&dcookie_sem);
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mutex_unlock(&dcookie_mutex);
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return err;
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}
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@ -157,7 +158,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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down(&dcookie_sem);
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mutex_lock(&dcookie_mutex);
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if (!is_live()) {
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err = -EINVAL;
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@ -192,7 +193,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
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out_free:
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kfree(kbuf);
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out:
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up(&dcookie_sem);
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mutex_unlock(&dcookie_mutex);
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return err;
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}
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@ -290,7 +291,7 @@ struct dcookie_user * dcookie_register(void)
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{
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struct dcookie_user * user;
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down(&dcookie_sem);
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mutex_lock(&dcookie_mutex);
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user = kmalloc(sizeof(struct dcookie_user), GFP_KERNEL);
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if (!user)
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@ -302,7 +303,7 @@ struct dcookie_user * dcookie_register(void)
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list_add(&user->next, &dcookie_users);
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out:
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up(&dcookie_sem);
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mutex_unlock(&dcookie_mutex);
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return user;
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out_free:
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kfree(user);
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@ -313,7 +314,7 @@ out_free:
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void dcookie_unregister(struct dcookie_user * user)
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{
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down(&dcookie_sem);
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mutex_lock(&dcookie_mutex);
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list_del(&user->next);
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kfree(user);
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@ -321,7 +322,7 @@ void dcookie_unregister(struct dcookie_user * user)
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if (!is_live())
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dcookie_exit();
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up(&dcookie_sem);
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mutex_unlock(&dcookie_mutex);
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}
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EXPORT_SYMBOL_GPL(dcookie_register);
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@ -33,13 +33,14 @@
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*/
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#define STREAM_END_SPACE 12
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static DECLARE_MUTEX(deflate_sem);
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static DECLARE_MUTEX(inflate_sem);
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static DEFINE_MUTEX(deflate_mutex);
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static DEFINE_MUTEX(inflate_mutex);
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static z_stream inf_strm, def_strm;
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#ifdef __KERNEL__ /* Linux-only */
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#include <linux/vmalloc.h>
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#include <linux/init.h>
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#include <linux/mutex.h>
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static int __init alloc_workspaces(void)
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{
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@ -79,11 +80,11 @@ static int jffs2_zlib_compress(unsigned char *data_in,
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if (*dstlen <= STREAM_END_SPACE)
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return -1;
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down(&deflate_sem);
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mutex_lock(&deflate_mutex);
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if (Z_OK != zlib_deflateInit(&def_strm, 3)) {
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printk(KERN_WARNING "deflateInit failed\n");
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up(&deflate_sem);
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mutex_unlock(&deflate_mutex);
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return -1;
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}
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@ -104,7 +105,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
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if (ret != Z_OK) {
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D1(printk(KERN_DEBUG "deflate in loop returned %d\n", ret));
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zlib_deflateEnd(&def_strm);
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up(&deflate_sem);
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mutex_unlock(&deflate_mutex);
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return -1;
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}
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}
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@ -133,7 +134,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
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*sourcelen = def_strm.total_in;
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ret = 0;
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out:
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up(&deflate_sem);
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mutex_unlock(&deflate_mutex);
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return ret;
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}
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@ -145,7 +146,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
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int ret;
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int wbits = MAX_WBITS;
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down(&inflate_sem);
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mutex_lock(&inflate_mutex);
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inf_strm.next_in = data_in;
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inf_strm.avail_in = srclen;
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@ -173,7 +174,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
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if (Z_OK != zlib_inflateInit2(&inf_strm, wbits)) {
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printk(KERN_WARNING "inflateInit failed\n");
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up(&inflate_sem);
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mutex_unlock(&inflate_mutex);
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return 1;
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}
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@ -183,7 +184,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
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printk(KERN_NOTICE "inflate returned %d\n", ret);
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}
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zlib_inflateEnd(&inf_strm);
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up(&inflate_sem);
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mutex_unlock(&inflate_mutex);
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return 0;
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}
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@ -69,6 +69,7 @@
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#include <linux/bio.h>
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#include <linux/suspend.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include "jfs_incore.h"
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#include "jfs_filsys.h"
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#include "jfs_metapage.h"
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@ -165,7 +166,7 @@ do { \
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*/
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static LIST_HEAD(jfs_external_logs);
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static struct jfs_log *dummy_log = NULL;
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static DECLARE_MUTEX(jfs_log_sem);
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static DEFINE_MUTEX(jfs_log_mutex);
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/*
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* forward references
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@ -1085,20 +1086,20 @@ int lmLogOpen(struct super_block *sb)
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if (sbi->mntflag & JFS_INLINELOG)
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return open_inline_log(sb);
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down(&jfs_log_sem);
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mutex_lock(&jfs_log_mutex);
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list_for_each_entry(log, &jfs_external_logs, journal_list) {
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if (log->bdev->bd_dev == sbi->logdev) {
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if (memcmp(log->uuid, sbi->loguuid,
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sizeof(log->uuid))) {
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jfs_warn("wrong uuid on JFS journal\n");
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return -EINVAL;
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}
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/*
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* add file system to log active file system list
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*/
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if ((rc = lmLogFileSystem(log, sbi, 1))) {
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return rc;
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}
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goto journal_found;
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@ -1106,7 +1107,7 @@ int lmLogOpen(struct super_block *sb)
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}
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if (!(log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL))) {
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return -ENOMEM;
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}
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INIT_LIST_HEAD(&log->sb_list);
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@ -1151,7 +1152,7 @@ journal_found:
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sbi->log = log;
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LOG_UNLOCK(log);
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return 0;
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/*
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@ -1168,7 +1169,7 @@ journal_found:
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blkdev_put(bdev);
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free: /* free log descriptor */
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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kfree(log);
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jfs_warn("lmLogOpen: exit(%d)", rc);
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@ -1212,11 +1213,11 @@ static int open_dummy_log(struct super_block *sb)
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{
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int rc;
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down(&jfs_log_sem);
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mutex_lock(&jfs_log_mutex);
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if (!dummy_log) {
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dummy_log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL);
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if (!dummy_log) {
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return -ENOMEM;
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}
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INIT_LIST_HEAD(&dummy_log->sb_list);
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@ -1229,7 +1230,7 @@ static int open_dummy_log(struct super_block *sb)
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if (rc) {
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kfree(dummy_log);
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dummy_log = NULL;
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return rc;
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}
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}
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@ -1238,7 +1239,7 @@ static int open_dummy_log(struct super_block *sb)
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list_add(&JFS_SBI(sb)->log_list, &dummy_log->sb_list);
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JFS_SBI(sb)->log = dummy_log;
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LOG_UNLOCK(dummy_log);
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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return 0;
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}
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@ -1466,7 +1467,7 @@ int lmLogClose(struct super_block *sb)
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jfs_info("lmLogClose: log:0x%p", log);
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down(&jfs_log_sem);
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mutex_lock(&jfs_log_mutex);
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LOG_LOCK(log);
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list_del(&sbi->log_list);
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LOG_UNLOCK(log);
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@ -1516,7 +1517,7 @@ int lmLogClose(struct super_block *sb)
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kfree(log);
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out:
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up(&jfs_log_sem);
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mutex_unlock(&jfs_log_mutex);
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jfs_info("lmLogClose: exit(%d)", rc);
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return rc;
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}
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@ -16,6 +16,7 @@
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#include <linux/sunrpc/svc.h>
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#include <linux/lockd/lockd.h>
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#include <linux/lockd/sm_inter.h>
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#include <linux/mutex.h>
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#define NLMDBG_FACILITY NLMDBG_HOSTCACHE
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@ -30,7 +31,7 @@
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static struct nlm_host * nlm_hosts[NLM_HOST_NRHASH];
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static unsigned long next_gc;
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static int nrhosts;
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static DECLARE_MUTEX(nlm_host_sema);
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static DEFINE_MUTEX(nlm_host_mutex);
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static void nlm_gc_hosts(void);
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@ -71,7 +72,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
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hash = NLM_ADDRHASH(sin->sin_addr.s_addr);
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/* Lock hash table */
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down(&nlm_host_sema);
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mutex_lock(&nlm_host_mutex);
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if (time_after_eq(jiffies, next_gc))
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nlm_gc_hosts();
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@ -91,7 +92,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
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nlm_hosts[hash] = host;
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}
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nlm_get_host(host);
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up(&nlm_host_sema);
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mutex_unlock(&nlm_host_mutex);
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return host;
|
||||
}
|
||||
}
|
||||
@ -130,7 +131,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
|
||||
next_gc = 0;
|
||||
|
||||
nohost:
|
||||
up(&nlm_host_sema);
|
||||
mutex_unlock(&nlm_host_mutex);
|
||||
return host;
|
||||
}
|
||||
|
||||
@ -141,19 +142,19 @@ nlm_find_client(void)
|
||||
* and return it
|
||||
*/
|
||||
int hash;
|
||||
down(&nlm_host_sema);
|
||||
mutex_lock(&nlm_host_mutex);
|
||||
for (hash = 0 ; hash < NLM_HOST_NRHASH; hash++) {
|
||||
struct nlm_host *host, **hp;
|
||||
for (hp = &nlm_hosts[hash]; (host = *hp) != 0; hp = &host->h_next) {
|
||||
if (host->h_server &&
|
||||
host->h_killed == 0) {
|
||||
nlm_get_host(host);
|
||||
up(&nlm_host_sema);
|
||||
mutex_unlock(&nlm_host_mutex);
|
||||
return host;
|
||||
}
|
||||
}
|
||||
}
|
||||
up(&nlm_host_sema);
|
||||
mutex_unlock(&nlm_host_mutex);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
@ -265,7 +266,7 @@ nlm_shutdown_hosts(void)
|
||||
int i;
|
||||
|
||||
dprintk("lockd: shutting down host module\n");
|
||||
down(&nlm_host_sema);
|
||||
mutex_lock(&nlm_host_mutex);
|
||||
|
||||
/* First, make all hosts eligible for gc */
|
||||
dprintk("lockd: nuking all hosts...\n");
|
||||
@ -276,7 +277,7 @@ nlm_shutdown_hosts(void)
|
||||
|
||||
/* Then, perform a garbage collection pass */
|
||||
nlm_gc_hosts();
|
||||
up(&nlm_host_sema);
|
||||
mutex_unlock(&nlm_host_mutex);
|
||||
|
||||
/* complain if any hosts are left */
|
||||
if (nrhosts) {
|
||||
|
||||
@ -25,6 +25,7 @@
|
||||
#include <linux/slab.h>
|
||||
#include <linux/smp.h>
|
||||
#include <linux/smp_lock.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
#include <linux/sunrpc/types.h>
|
||||
#include <linux/sunrpc/stats.h>
|
||||
@ -43,13 +44,13 @@ static struct svc_program nlmsvc_program;
|
||||
struct nlmsvc_binding * nlmsvc_ops;
|
||||
EXPORT_SYMBOL(nlmsvc_ops);
|
||||
|
||||
static DECLARE_MUTEX(nlmsvc_sema);
|
||||
static DEFINE_MUTEX(nlmsvc_mutex);
|
||||
static unsigned int nlmsvc_users;
|
||||
static pid_t nlmsvc_pid;
|
||||
int nlmsvc_grace_period;
|
||||
unsigned long nlmsvc_timeout;
|
||||
|
||||
static DECLARE_MUTEX_LOCKED(lockd_start);
|
||||
static DECLARE_COMPLETION(lockd_start_done);
|
||||
static DECLARE_WAIT_QUEUE_HEAD(lockd_exit);
|
||||
|
||||
/*
|
||||
@ -112,7 +113,7 @@ lockd(struct svc_rqst *rqstp)
|
||||
* Let our maker know we're running.
|
||||
*/
|
||||
nlmsvc_pid = current->pid;
|
||||
up(&lockd_start);
|
||||
complete(&lockd_start_done);
|
||||
|
||||
daemonize("lockd");
|
||||
|
||||
@ -215,7 +216,7 @@ lockd_up(void)
|
||||
struct svc_serv * serv;
|
||||
int error = 0;
|
||||
|
||||
down(&nlmsvc_sema);
|
||||
mutex_lock(&nlmsvc_mutex);
|
||||
/*
|
||||
* Unconditionally increment the user count ... this is
|
||||
* the number of clients who _want_ a lockd process.
|
||||
@ -263,7 +264,7 @@ lockd_up(void)
|
||||
"lockd_up: create thread failed, error=%d\n", error);
|
||||
goto destroy_and_out;
|
||||
}
|
||||
down(&lockd_start);
|
||||
wait_for_completion(&lockd_start_done);
|
||||
|
||||
/*
|
||||
* Note: svc_serv structures have an initial use count of 1,
|
||||
@ -272,7 +273,7 @@ lockd_up(void)
|
||||
destroy_and_out:
|
||||
svc_destroy(serv);
|
||||
out:
|
||||
up(&nlmsvc_sema);
|
||||
mutex_unlock(&nlmsvc_mutex);
|
||||
return error;
|
||||
}
|
||||
EXPORT_SYMBOL(lockd_up);
|
||||
@ -285,7 +286,7 @@ lockd_down(void)
|
||||
{
|
||||
static int warned;
|
||||
|
||||
down(&nlmsvc_sema);
|
||||
mutex_lock(&nlmsvc_mutex);
|
||||
if (nlmsvc_users) {
|
||||
if (--nlmsvc_users)
|
||||
goto out;
|
||||
@ -315,7 +316,7 @@ lockd_down(void)
|
||||
recalc_sigpending();
|
||||
spin_unlock_irq(¤t->sighand->siglock);
|
||||
out:
|
||||
up(&nlmsvc_sema);
|
||||
mutex_unlock(&nlmsvc_mutex);
|
||||
}
|
||||
EXPORT_SYMBOL(lockd_down);
|
||||
|
||||
|
||||
@ -11,6 +11,7 @@
|
||||
#include <linux/string.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/in.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/sunrpc/svc.h>
|
||||
#include <linux/sunrpc/clnt.h>
|
||||
#include <linux/nfsd/nfsfh.h>
|
||||
@ -28,7 +29,7 @@
|
||||
#define FILE_HASH_BITS 5
|
||||
#define FILE_NRHASH (1<<FILE_HASH_BITS)
|
||||
static struct nlm_file * nlm_files[FILE_NRHASH];
|
||||
static DECLARE_MUTEX(nlm_file_sema);
|
||||
static DEFINE_MUTEX(nlm_file_mutex);
|
||||
|
||||
#ifdef NFSD_DEBUG
|
||||
static inline void nlm_debug_print_fh(char *msg, struct nfs_fh *f)
|
||||
@ -91,7 +92,7 @@ nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result,
|
||||
hash = file_hash(f);
|
||||
|
||||
/* Lock file table */
|
||||
down(&nlm_file_sema);
|
||||
mutex_lock(&nlm_file_mutex);
|
||||
|
||||
for (file = nlm_files[hash]; file; file = file->f_next)
|
||||
if (!nfs_compare_fh(&file->f_handle, f))
|
||||
@ -130,7 +131,7 @@ found:
|
||||
nfserr = 0;
|
||||
|
||||
out_unlock:
|
||||
up(&nlm_file_sema);
|
||||
mutex_unlock(&nlm_file_mutex);
|
||||
return nfserr;
|
||||
|
||||
out_free:
|
||||
@ -239,14 +240,14 @@ nlm_traverse_files(struct nlm_host *host, int action)
|
||||
struct nlm_file *file, **fp;
|
||||
int i;
|
||||
|
||||
down(&nlm_file_sema);
|
||||
mutex_lock(&nlm_file_mutex);
|
||||
for (i = 0; i < FILE_NRHASH; i++) {
|
||||
fp = nlm_files + i;
|
||||
while ((file = *fp) != NULL) {
|
||||
/* Traverse locks, blocks and shares of this file
|
||||
* and update file->f_locks count */
|
||||
if (nlm_inspect_file(host, file, action)) {
|
||||
up(&nlm_file_sema);
|
||||
mutex_unlock(&nlm_file_mutex);
|
||||
return 1;
|
||||
}
|
||||
|
||||
@ -261,7 +262,7 @@ nlm_traverse_files(struct nlm_host *host, int action)
|
||||
}
|
||||
}
|
||||
}
|
||||
up(&nlm_file_sema);
|
||||
mutex_unlock(&nlm_file_mutex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -281,7 +282,7 @@ nlm_release_file(struct nlm_file *file)
|
||||
file, file->f_count);
|
||||
|
||||
/* Lock file table */
|
||||
down(&nlm_file_sema);
|
||||
mutex_lock(&nlm_file_mutex);
|
||||
|
||||
/* If there are no more locks etc, delete the file */
|
||||
if(--file->f_count == 0) {
|
||||
@ -289,7 +290,7 @@ nlm_release_file(struct nlm_file *file)
|
||||
nlm_delete_file(file);
|
||||
}
|
||||
|
||||
up(&nlm_file_sema);
|
||||
mutex_unlock(&nlm_file_mutex);
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
#include <linux/sunrpc/svc.h>
|
||||
#include <linux/sunrpc/svcsock.h>
|
||||
#include <linux/nfs_fs.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
#include <net/inet_sock.h>
|
||||
|
||||
@ -31,7 +32,7 @@ struct nfs_callback_data {
|
||||
};
|
||||
|
||||
static struct nfs_callback_data nfs_callback_info;
|
||||
static DECLARE_MUTEX(nfs_callback_sema);
|
||||
static DEFINE_MUTEX(nfs_callback_mutex);
|
||||
static struct svc_program nfs4_callback_program;
|
||||
|
||||
unsigned int nfs_callback_set_tcpport;
|
||||
@ -95,7 +96,7 @@ int nfs_callback_up(void)
|
||||
int ret = 0;
|
||||
|
||||
lock_kernel();
|
||||
down(&nfs_callback_sema);
|
||||
mutex_lock(&nfs_callback_mutex);
|
||||
if (nfs_callback_info.users++ || nfs_callback_info.pid != 0)
|
||||
goto out;
|
||||
init_completion(&nfs_callback_info.started);
|
||||
@ -121,7 +122,7 @@ int nfs_callback_up(void)
|
||||
nfs_callback_info.serv = serv;
|
||||
wait_for_completion(&nfs_callback_info.started);
|
||||
out:
|
||||
up(&nfs_callback_sema);
|
||||
mutex_unlock(&nfs_callback_mutex);
|
||||
unlock_kernel();
|
||||
return ret;
|
||||
out_destroy:
|
||||
@ -139,7 +140,7 @@ int nfs_callback_down(void)
|
||||
int ret = 0;
|
||||
|
||||
lock_kernel();
|
||||
down(&nfs_callback_sema);
|
||||
mutex_lock(&nfs_callback_mutex);
|
||||
nfs_callback_info.users--;
|
||||
do {
|
||||
if (nfs_callback_info.users != 0 || nfs_callback_info.pid == 0)
|
||||
@ -147,7 +148,7 @@ int nfs_callback_down(void)
|
||||
if (kill_proc(nfs_callback_info.pid, SIGKILL, 1) < 0)
|
||||
break;
|
||||
} while (wait_for_completion_timeout(&nfs_callback_info.stopped, 5*HZ) == 0);
|
||||
up(&nfs_callback_sema);
|
||||
mutex_unlock(&nfs_callback_mutex);
|
||||
unlock_kernel();
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -49,6 +49,7 @@
|
||||
#include <linux/nfsd/state.h>
|
||||
#include <linux/nfsd/xdr4.h>
|
||||
#include <linux/namei.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
#define NFSDDBG_FACILITY NFSDDBG_PROC
|
||||
|
||||
@ -77,11 +78,11 @@ static void nfs4_set_recdir(char *recdir);
|
||||
|
||||
/* Locking:
|
||||
*
|
||||
* client_sema:
|
||||
* client_mutex:
|
||||
* protects clientid_hashtbl[], clientstr_hashtbl[],
|
||||
* unconfstr_hashtbl[], uncofid_hashtbl[].
|
||||
*/
|
||||
static DECLARE_MUTEX(client_sema);
|
||||
static DEFINE_MUTEX(client_mutex);
|
||||
|
||||
static kmem_cache_t *stateowner_slab = NULL;
|
||||
static kmem_cache_t *file_slab = NULL;
|
||||
@ -91,13 +92,13 @@ static kmem_cache_t *deleg_slab = NULL;
|
||||
void
|
||||
nfs4_lock_state(void)
|
||||
{
|
||||
down(&client_sema);
|
||||
mutex_lock(&client_mutex);
|
||||
}
|
||||
|
||||
void
|
||||
nfs4_unlock_state(void)
|
||||
{
|
||||
up(&client_sema);
|
||||
mutex_unlock(&client_mutex);
|
||||
}
|
||||
|
||||
static inline u32
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
#include <linux/vmalloc.h>
|
||||
#include <linux/genhd.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <asm/semaphore.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
|
||||
struct unique_numspace {
|
||||
@ -16,7 +16,7 @@ struct unique_numspace {
|
||||
struct semaphore mutex;
|
||||
};
|
||||
|
||||
static DECLARE_MUTEX(numspace_mutex);
|
||||
static DEFINE_MUTEX(numspace_mutex);
|
||||
|
||||
static int expand_numspace(struct unique_numspace *s)
|
||||
{
|
||||
@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s)
|
||||
{
|
||||
int rval = 0;
|
||||
|
||||
down(&numspace_mutex);
|
||||
mutex_lock(&numspace_mutex);
|
||||
if (s->num_free < 1)
|
||||
rval = expand_numspace(s);
|
||||
if (!rval) {
|
||||
@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s)
|
||||
--s->num_free;
|
||||
__set_bit(rval, s->bits);
|
||||
}
|
||||
up(&numspace_mutex);
|
||||
mutex_unlock(&numspace_mutex);
|
||||
|
||||
return rval;
|
||||
}
|
||||
@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number)
|
||||
int old_val;
|
||||
|
||||
if (number >= 0) {
|
||||
down(&numspace_mutex);
|
||||
mutex_lock(&numspace_mutex);
|
||||
old_val = __test_and_clear_bit(number, s->bits);
|
||||
if (old_val)
|
||||
++s->num_free;
|
||||
up(&numspace_mutex);
|
||||
mutex_unlock(&numspace_mutex);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -37,6 +37,7 @@
|
||||
#include <linux/writeback.h> /* for the emergency remount stuff */
|
||||
#include <linux/idr.h>
|
||||
#include <linux/kobject.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <asm/uaccess.h>
|
||||
|
||||
|
||||
@ -380,9 +381,9 @@ restart:
|
||||
void sync_filesystems(int wait)
|
||||
{
|
||||
struct super_block *sb;
|
||||
static DECLARE_MUTEX(mutex);
|
||||
static DEFINE_MUTEX(mutex);
|
||||
|
||||
down(&mutex); /* Could be down_interruptible */
|
||||
mutex_lock(&mutex); /* Could be down_interruptible */
|
||||
spin_lock(&sb_lock);
|
||||
list_for_each_entry(sb, &super_blocks, s_list) {
|
||||
if (!sb->s_op->sync_fs)
|
||||
@ -411,7 +412,7 @@ restart:
|
||||
goto restart;
|
||||
}
|
||||
spin_unlock(&sb_lock);
|
||||
up(&mutex);
|
||||
mutex_unlock(&mutex);
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
Loading…
Reference in New Issue
Block a user