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Subject[PATCH 13/19] MUTEX: Filesystem changes
The attached patch modifies the filesystem files to use the new mutex
functions.

Signed-Off-By: David Howells <dhowells@redhat.com>
---
warthog>diffstat -p1 mutex-fs-2615rc5.diff
fs/9p/trans_fd.c | 4 ++--
fs/9p/trans_sock.c | 8 ++++----
fs/9p/transport.h | 4 ++--
fs/9p/v9fs.h | 2 +-
fs/affs/affs.h | 6 +++---
fs/autofs4/autofs_i.h | 2 +-
fs/block_dev.c | 4 ++--
fs/cifs/cifsglob.h | 8 ++++----
fs/cramfs/inode.c | 2 +-
fs/dquot.c | 2 +-
fs/eventpoll.c | 4 ++--
fs/fuse/dev.c | 10 +++++-----
fs/fuse/fuse_i.h | 2 +-
fs/hfs/btree.h | 2 +-
fs/hfs/hfs_fs.h | 4 ++--
fs/hfsplus/hfsplus_fs.h | 4 ++--
fs/hpfs/hpfs_fn.h | 6 +++---
fs/inode.c | 4 ++--
fs/inotify.c | 4 ++--
fs/isofs/compress.c | 2 +-
fs/jffs/inode-v23.c | 2 +-
fs/jffs/intrep.c | 2 +-
fs/jffs/jffs_fm.h | 2 +-
fs/jfs/jfs_dmap.h | 2 +-
fs/jfs/jfs_imap.h | 4 ++--
fs/jfs/jfs_incore.h | 2 +-
fs/jfs/jfs_logmgr.h | 2 +-
fs/libfs.c | 2 +-
fs/lockd/svc.c | 7 ++++---
fs/locks.c | 2 +-
fs/nfs/idmap.c | 4 ++--
fs/ntfs/inode.h | 6 +++---
fs/ntfs/ntfs.h | 2 +-
fs/partitions/devfs.c | 4 ++--
fs/reiserfs/journal.c | 8 ++++----
fs/reiserfs/xattr.c | 2 +-
fs/seq_file.c | 2 +-
fs/super.c | 8 ++++----
fs/sysfs/file.c | 4 ++--
fs/xfs/linux-2.6/mutex.h | 8 ++++----
fs/xfs/linux-2.6/sema.h | 2 +-
fs/xfs/linux-2.6/xfs_buf.h | 4 ++--
42 files changed, 83 insertions(+), 82 deletions(-)
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/9p/trans_fd.c linux-2.6.15-rc5-mutex/fs/9p/trans_fd.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/9p/trans_fd.c 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/9p/trans_fd.c 2005-12-12 19:58:04.000000000 +0000
@@ -106,8 +106,8 @@ v9fs_fd_init(struct v9fs_session_info *v
return -ENOPROTOOPT;
}

- sema_init(&trans->writelock, 1);
- sema_init(&trans->readlock, 1);
+ init_MUTEX(&trans->writelock);
+ init_MUTEX(&trans->readlock);

ts = kmalloc(sizeof(struct v9fs_trans_fd), GFP_KERNEL);

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/9p/transport.h linux-2.6.15-rc5-mutex/fs/9p/transport.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/9p/transport.h 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/9p/transport.h 2005-12-12 19:57:43.000000000 +0000
@@ -31,8 +31,8 @@ enum v9fs_transport_status {

struct v9fs_transport {
enum v9fs_transport_status status;
- struct semaphore writelock;
- struct semaphore readlock;
+ struct mutex writelock;
+ struct mutex readlock;
void *priv;

int (*init) (struct v9fs_session_info *, const char *, char *);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/9p/trans_sock.c linux-2.6.15-rc5-mutex/fs/9p/trans_sock.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/9p/trans_sock.c 2005-12-08 16:23:48.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/9p/trans_sock.c 2005-12-12 19:58:29.000000000 +0000
@@ -154,8 +154,8 @@ v9fs_tcp_init(struct v9fs_session_info *
struct v9fs_trans_sock *ts = NULL;
struct v9fs_transport *trans = v9ses->transport;

- sema_init(&trans->writelock, 1);
- sema_init(&trans->readlock, 1);
+ init_MUTEX(&trans->writelock);
+ init_MUTEX(&trans->readlock);

ts = kmalloc(sizeof(struct v9fs_trans_sock), GFP_KERNEL);

@@ -225,8 +225,8 @@ v9fs_unix_init(struct v9fs_session_info
trans->priv = ts;
ts->s = NULL;

- sema_init(&trans->writelock, 1);
- sema_init(&trans->readlock, 1);
+ init_MUTEX(&trans->writelock);
+ init_MUTEX(&trans->readlock);

sun_server.sun_family = PF_UNIX;
strcpy(sun_server.sun_path, dev_name);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/9p/v9fs.h linux-2.6.15-rc5-mutex/fs/9p/v9fs.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/9p/v9fs.h 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/9p/v9fs.h 2005-12-12 20:52:22.000000000 +0000
@@ -28,7 +28,7 @@
*/

struct v9fs_idpool {
- struct semaphore lock;
+ struct mutex lock;
struct idr pool;
};

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/affs/affs.h linux-2.6.15-rc5-mutex/fs/affs/affs.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/affs/affs.h 2005-03-02 12:08:34.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/affs/affs.h 2005-12-12 20:49:44.000000000 +0000
@@ -50,8 +50,8 @@ struct affs_ext_key {
*/
struct affs_inode_info {
u32 i_opencnt;
- struct semaphore i_link_lock; /* Protects internal inode access. */
- struct semaphore i_ext_lock; /* Protects internal inode access. */
+ struct mutex i_link_lock; /* Protects internal inode access. */
+ struct mutex i_ext_lock; /* Protects internal inode access. */
#define i_hash_lock i_ext_lock
u32 i_blkcnt; /* block count */
u32 i_extcnt; /* extended block count */
@@ -99,7 +99,7 @@ struct affs_sb_info {
gid_t s_gid; /* gid to override */
umode_t s_mode; /* mode to override */
struct buffer_head *s_root_bh; /* Cached root block. */
- struct semaphore s_bmlock; /* Protects bitmap access. */
+ struct mutex s_bmlock; /* Protects bitmap access. */
struct affs_bm_info *s_bitmap; /* Bitmap infos. */
u32 s_bmap_count; /* # of bitmap blocks. */
u32 s_bmap_bits; /* # of bits in one bitmap blocks */
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/autofs4/autofs_i.h linux-2.6.15-rc5-mutex/fs/autofs4/autofs_i.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/autofs4/autofs_i.h 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/autofs4/autofs_i.h 2005-12-12 17:33:33.000000000 +0000
@@ -102,7 +102,7 @@ struct autofs_sb_info {
int reghost_enabled;
int needs_reghost;
struct super_block *sb;
- struct semaphore wq_sem;
+ struct mutex wq_sem;
spinlock_t fs_lock;
struct autofs_wait_queue *queues; /* Wait queue pointer */
};
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/block_dev.c linux-2.6.15-rc5-mutex/fs/block_dev.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/block_dev.c 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/block_dev.c 2005-12-12 17:32:31.000000000 +0000
@@ -265,8 +265,8 @@ static void init_once(void * foo, kmem_c
SLAB_CTOR_CONSTRUCTOR)
{
memset(bdev, 0, sizeof(*bdev));
- sema_init(&bdev->bd_sem, 1);
- sema_init(&bdev->bd_mount_sem, 1);
+ init_MUTEX(&bdev->bd_sem);
+ init_MUTEX(&bdev->bd_mount_sem);
INIT_LIST_HEAD(&bdev->bd_inodes);
INIT_LIST_HEAD(&bdev->bd_list);
inode_init_once(&ei->vfs_inode);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/cifs/cifsglob.h linux-2.6.15-rc5-mutex/fs/cifs/cifsglob.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/cifs/cifsglob.h 2005-12-08 16:23:48.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/cifs/cifsglob.h 2005-12-12 20:48:45.000000000 +0000
@@ -135,7 +135,7 @@ struct TCP_Server_Info {
atomic_t num_waiters; /* blocked waiting to get in sendrecv */
#endif
enum statusEnum tcpStatus; /* what we think the status is */
- struct semaphore tcpSem;
+ struct mutex tcpSem;
struct task_struct *tsk;
char server_GUID[16];
char secMode;
@@ -178,7 +178,7 @@ struct cifsUidInfo {
*/
struct cifsSesInfo {
struct list_head cifsSessionList;
- struct semaphore sesSem;
+ struct mutex sesSem;
struct cifsUidInfo *uidInfo; /* pointer to user info */
struct TCP_Server_Info *server; /* pointer to server info */
atomic_t inUse; /* # of mounts (tree connections) on this ses */
@@ -207,7 +207,7 @@ struct cifsSesInfo {
struct cifsTconInfo {
struct list_head cifsConnectionList;
struct list_head openFileList;
- struct semaphore tconSem;
+ struct mutex tconSem;
struct cifsSesInfo *ses; /* pointer to session associated with */
char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource (in ASCII not UTF) */
char *nativeFileSystem;
@@ -300,7 +300,7 @@ struct cifsFileInfo {
unsigned closePend:1; /* file is marked to close */
unsigned invalidHandle:1; /* file closed via session abend */
atomic_t wrtPending; /* handle in use - defer close */
- struct semaphore fh_sem; /* prevents reopen race after dead ses*/
+ struct mutex fh_sem; /* prevents reopen race after dead ses*/
char * search_resume_name; /* BB removeme BB */
unsigned int resume_name_length; /* BB removeme - field renamed and moved BB */
struct cifs_search_info srch_inf;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/cramfs/inode.c linux-2.6.15-rc5-mutex/fs/cramfs/inode.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/cramfs/inode.c 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/cramfs/inode.c 2005-12-12 22:12:50.000000000 +0000
@@ -22,7 +22,7 @@
#include <linux/cramfs_fs_sb.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

#include <asm/uaccess.h>

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/dquot.c linux-2.6.15-rc5-mutex/fs/dquot.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/dquot.c 2005-12-08 16:23:48.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/dquot.c 2005-12-12 19:57:04.000000000 +0000
@@ -575,7 +575,7 @@ static struct dquot *get_empty_dquot(str
return NODQUOT;

memset((caddr_t)dquot, 0, sizeof(struct dquot));
- sema_init(&dquot->dq_lock, 1);
+ init_MUTEX(&dquot->dq_lock);
INIT_LIST_HEAD(&dquot->dq_free);
INIT_LIST_HEAD(&dquot->dq_inuse);
INIT_HLIST_NODE(&dquot->dq_hash);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/eventpoll.c linux-2.6.15-rc5-mutex/fs/eventpoll.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/eventpoll.c 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/eventpoll.c 2005-12-12 22:12:50.000000000 +0000
@@ -39,7 +39,7 @@
#include <asm/io.h>
#include <asm/mman.h>
#include <asm/atomic.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>


/*
@@ -274,7 +274,7 @@ static struct super_block *eventpollfs_g
/*
* This semaphore is used to serialize ep_free() and eventpoll_release_file().
*/
-static struct semaphore epsem;
+static struct mutex epsem;

/* Safe wake up implementation */
static struct poll_safewake psw;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/fuse/dev.c linux-2.6.15-rc5-mutex/fs/fuse/dev.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/fuse/dev.c 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/fuse/dev.c 2005-12-12 20:31:16.000000000 +0000
@@ -110,7 +110,7 @@ struct fuse_req *fuse_get_request(struct
sigset_t oldset;

block_sigs(&oldset);
- intr = down_interruptible(&fc->outstanding_sem);
+ intr = down_sem_interruptible(&fc->outstanding_sem);
restore_sigs(&oldset);
return intr ? NULL : do_get_request(fc);
}
@@ -127,7 +127,7 @@ static void fuse_putback_request(struct
if (fc->outstanding_debt)
fc->outstanding_debt--;
else
- up(&fc->outstanding_sem);
+ up_sem(&fc->outstanding_sem);
spin_unlock(&fuse_lock);
}

@@ -180,10 +180,10 @@ static void request_end(struct fuse_conn

/* After INIT reply is received other requests can go
out. So do (FUSE_MAX_OUTSTANDING - 1) number of
- up()s on outstanding_sem. The last up() is done in
+ up_sem()s on outstanding_sem. The last up() is done in
fuse_putback_request() */
for (i = 1; i < FUSE_MAX_OUTSTANDING; i++)
- up(&fc->outstanding_sem);
+ up_sem(&fc->outstanding_sem);
} else if (req->in.h.opcode == FUSE_RELEASE && req->inode == NULL) {
/* Special case for failed iget in CREATE */
u64 nodeid = req->in.h.nodeid;
@@ -296,7 +296,7 @@ static void queue_request(struct fuse_co
processing the RELEASE requests. However for
efficiency do it without blocking, so if down()
would block, just increase the debt instead */
- if (down_trylock(&fc->outstanding_sem))
+ if (down_sem_trylock(&fc->outstanding_sem))
fc->outstanding_debt++;
}
list_add_tail(&req->list, &fc->pending);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/fuse/fuse_i.h linux-2.6.15-rc5-mutex/fs/fuse/fuse_i.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/fuse/fuse_i.h 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/fuse/fuse_i.h 2005-12-12 22:05:43.000000000 +0000
@@ -13,7 +13,7 @@
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/backing-dev.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/hfs/btree.h linux-2.6.15-rc5-mutex/fs/hfs/btree.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/hfs/btree.h 2005-06-22 13:52:11.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/hfs/btree.h 2005-12-12 20:54:32.000000000 +0000
@@ -33,7 +33,7 @@ struct hfs_btree {
unsigned int depth;

//unsigned int map1_size, map_size;
- struct semaphore tree_lock;
+ struct mutex tree_lock;

unsigned int pages_per_bnode;
spinlock_t hash_lock;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/hfs/hfs_fs.h linux-2.6.15-rc5-mutex/fs/hfs/hfs_fs.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/hfs/hfs_fs.h 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/hfs/hfs_fs.h 2005-12-12 20:54:29.000000000 +0000
@@ -56,7 +56,7 @@ struct hfs_inode_info {
struct list_head open_dir_list;
struct inode *rsrc_inode;

- struct semaphore extents_lock;
+ struct mutex extents_lock;

u16 alloc_blocks, clump_blocks;
sector_t fs_blocks;
@@ -142,7 +142,7 @@ struct hfs_sb_info {

struct nls_table *nls_io, *nls_disk;

- struct semaphore bitmap_lock;
+ struct mutex bitmap_lock;

unsigned long flags;

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/hfsplus/hfsplus_fs.h linux-2.6.15-rc5-mutex/fs/hfsplus/hfsplus_fs.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/hfsplus/hfsplus_fs.h 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/hfsplus/hfsplus_fs.h 2005-12-12 20:51:21.000000000 +0000
@@ -61,7 +61,7 @@ struct hfs_btree {
unsigned int depth;

//unsigned int map1_size, map_size;
- struct semaphore tree_lock;
+ struct mutex tree_lock;

unsigned int pages_per_bnode;
spinlock_t hash_lock;
@@ -155,7 +155,7 @@ struct hfsplus_sb_info {


struct hfsplus_inode_info {
- struct semaphore extents_lock;
+ struct mutex extents_lock;
u32 clump_blocks, alloc_blocks;
sector_t fs_blocks;
/* Allocation extents from catalog record or volume header */
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/hpfs/hpfs_fn.h linux-2.6.15-rc5-mutex/fs/hpfs/hpfs_fn.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/hpfs/hpfs_fn.h 2005-06-22 13:52:12.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/hpfs/hpfs_fn.h 2005-12-12 20:54:14.000000000 +0000
@@ -57,8 +57,8 @@ 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_sem;
+ struct mutex i_parent;
loff_t **i_rddir_off;
struct inode vfs_inode;
};
@@ -88,7 +88,7 @@ struct hpfs_sb_info {
unsigned *sb_bmp_dir; /* main bitmap directory */
unsigned sb_c_bitmap; /* current bitmap */
unsigned sb_max_fwd_alloc; /* max forwad allocation */
- struct semaphore hpfs_creation_de; /* when creating dirents, nobody else
+ struct mutex hpfs_creation_de; /* when creating dirents, nobody else
can alloc blocks */
/*unsigned sb_mounting : 1;*/
int sb_timeshift;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/inode.c linux-2.6.15-rc5-mutex/fs/inode.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/inode.c 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/inode.c 2005-12-12 17:30:32.000000000 +0000
@@ -192,7 +192,7 @@ void inode_init_once(struct inode *inode
INIT_HLIST_NODE(&inode->i_hash);
INIT_LIST_HEAD(&inode->i_dentry);
INIT_LIST_HEAD(&inode->i_devices);
- sema_init(&inode->i_sem, 1);
+ init_MUTEX(&inode->i_sem);
init_rwsem(&inode->i_alloc_sem);
INIT_RADIX_TREE(&inode->i_data.page_tree, GFP_ATOMIC);
rwlock_init(&inode->i_data.tree_lock);
@@ -205,7 +205,7 @@ void inode_init_once(struct inode *inode
i_size_ordered_init(inode);
#ifdef CONFIG_INOTIFY
INIT_LIST_HEAD(&inode->inotify_watches);
- sema_init(&inode->inotify_sem, 1);
+ init_MUTEX(&inode->inotify_sem);
#endif
}

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/inotify.c linux-2.6.15-rc5-mutex/fs/inotify.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/inotify.c 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/inotify.c 2005-12-12 18:07:19.000000000 +0000
@@ -83,7 +83,7 @@ int inotify_max_queued_events;
struct inotify_device {
wait_queue_head_t wq; /* wait queue for i/o */
struct idr idr; /* idr mapping wd -> watch */
- struct semaphore sem; /* protects this bad boy */
+ struct mutex sem; /* protects this bad boy */
struct list_head events; /* list of queued events */
struct list_head watches; /* list of watches */
atomic_t count; /* reference count */
@@ -903,7 +903,7 @@ asmlinkage long sys_inotify_init(void)
INIT_LIST_HEAD(&dev->events);
INIT_LIST_HEAD(&dev->watches);
init_waitqueue_head(&dev->wq);
- sema_init(&dev->sem, 1);
+ init_MUTEX(&dev->sem);
dev->event_count = 0;
dev->queue_size = 0;
dev->max_events = inotify_max_queued_events;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/isofs/compress.c linux-2.6.15-rc5-mutex/fs/isofs/compress.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/isofs/compress.c 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/isofs/compress.c 2005-12-12 20:47:06.000000000 +0000
@@ -34,7 +34,7 @@ static char zisofs_sink_page[PAGE_CACHE_
* allocation; this avoids failures at block-decompression time.
*/
static void *zisofs_zlib_workspace;
-static struct semaphore zisofs_zlib_semaphore;
+static struct mutex zisofs_zlib_semaphore;

/*
* When decompressing, we typically obtain more than one page
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jffs/inode-v23.c linux-2.6.15-rc5-mutex/fs/jffs/inode-v23.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/jffs/inode-v23.c 2005-11-01 13:19:14.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/jffs/inode-v23.c 2005-12-12 22:12:50.000000000 +0000
@@ -42,7 +42,7 @@
#include <linux/quotaops.h>
#include <linux/highmem.h>
#include <linux/vfs.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
#include <asm/byteorder.h>
#include <asm/uaccess.h>

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jffs/intrep.c linux-2.6.15-rc5-mutex/fs/jffs/intrep.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/jffs/intrep.c 2005-12-08 16:23:49.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/jffs/intrep.c 2005-12-12 22:12:50.000000000 +0000
@@ -62,7 +62,7 @@
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/pagemap.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
#include <asm/byteorder.h>
#include <linux/smp_lock.h>
#include <linux/time.h>
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jffs/jffs_fm.h linux-2.6.15-rc5-mutex/fs/jffs/jffs_fm.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/jffs/jffs_fm.h 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/jffs/jffs_fm.h 2005-12-12 20:52:06.000000000 +0000
@@ -97,7 +97,7 @@ 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
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_dmap.h linux-2.6.15-rc5-mutex/fs/jfs/jfs_dmap.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_dmap.h 2005-01-04 11:13:39.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/jfs/jfs_dmap.h 2005-12-12 20:50:42.000000000 +0000
@@ -243,7 +243,7 @@ struct dbmap {
struct bmap {
struct dbmap db_bmap; /* on-disk aggregate map descriptor */
struct inode *db_ipbmap; /* ptr to aggregate map incore inode */
- struct semaphore db_bmaplock; /* aggregate map lock */
+ struct mutex db_bmaplock; /* aggregate map lock */
atomic_t db_active[MAXAG]; /* count of active, open files in AG */
u32 *db_DBmap;
};
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_imap.h linux-2.6.15-rc5-mutex/fs/jfs/jfs_imap.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_imap.h 2005-01-04 11:13:39.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/jfs/jfs_imap.h 2005-12-12 20:51:02.000000000 +0000
@@ -140,8 +140,8 @@ struct dinomap {
struct inomap {
struct dinomap im_imap; /* 4096: inode allocation control */
struct inode *im_ipimap; /* 4: ptr to inode for imap */
- struct semaphore im_freelock; /* 4: iag free list lock */
- struct semaphore im_aglock[MAXAG]; /* 512: per AG locks */
+ struct mutex im_freelock; /* 4: iag free list lock */
+ struct mutex im_aglock[MAXAG]; /* 512: per AG locks */
u32 *im_DBGdimap;
atomic_t im_numinos; /* num of backed inodes */
atomic_t im_numfree; /* num of free backed inodes */
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_incore.h linux-2.6.15-rc5-mutex/fs/jfs/jfs_incore.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_incore.h 2005-06-22 13:52:14.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/jfs/jfs_incore.h 2005-12-12 20:50:47.000000000 +0000
@@ -67,7 +67,7 @@ struct jfs_inode_info {
* dirty inodes may be committed while a new transaction on the
* inode is blocked in txBegin or TxBeginAnon
*/
- struct semaphore commit_sem;
+ struct mutex commit_sem;
/* xattr_sem allows us to access the xattrs without taking i_sem */
struct rw_semaphore xattr_sem;
lid_t xtlid; /* lid of xtree lock on directory */
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_logmgr.h linux-2.6.15-rc5-mutex/fs/jfs/jfs_logmgr.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/jfs/jfs_logmgr.h 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/jfs/jfs_logmgr.h 2005-12-12 20:50:52.000000000 +0000
@@ -389,7 +389,7 @@ struct jfs_log {
int eor; /* 4: eor of last record in eol page */
struct lbuf *bp; /* 4: current log page buffer */

- struct semaphore loglock; /* 4: log write serialization lock */
+ struct mutex loglock; /* 4: log write serialization lock */

/* syncpt */
int nextsync; /* 4: bytes to write before next syncpt */
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/libfs.c linux-2.6.15-rc5-mutex/fs/libfs.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/libfs.c 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/libfs.c 2005-12-12 18:01:44.000000000 +0000
@@ -529,7 +529,7 @@ struct simple_attr {
char set_buf[24];
void *data;
const char *fmt; /* format for read operation */
- struct semaphore sem; /* protects access to these buffers */
+ struct mutex sem; /* protects access to these buffers */
};

/* simple_attr_open is called by an actual attribute open file operation
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/lockd/svc.c linux-2.6.15-rc5-mutex/fs/lockd/svc.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/lockd/svc.c 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/lockd/svc.c 2005-12-12 17:37:21.000000000 +0000
@@ -49,7 +49,7 @@ static pid_t nlmsvc_pid;
int nlmsvc_grace_period;
unsigned long nlmsvc_timeout;

-static DECLARE_MUTEX_LOCKED(lockd_start);
+static DECLARE_COMPLETION(lockd_start);
static DECLARE_WAIT_QUEUE_HEAD(lockd_exit);

/*
@@ -112,7 +112,7 @@ lockd(struct svc_rqst *rqstp)
* Let our maker know we're running.
*/
nlmsvc_pid = current->pid;
- up(&lockd_start);
+ complete(&lockd_start);

daemonize("lockd");

@@ -257,13 +257,14 @@ lockd_up(void)
/*
* Create the kernel thread and wait for it to start.
*/
+ init_completion(&lockd_start);
error = svc_create_thread(lockd, serv);
if (error) {
printk(KERN_WARNING
"lockd_up: create thread failed, error=%d\n", error);
goto destroy_and_out;
}
- down(&lockd_start);
+ wait_for_completion(&lockd_start);

/*
* Note: svc_serv structures have an initial use count of 1,
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/locks.c linux-2.6.15-rc5-mutex/fs/locks.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/locks.c 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/locks.c 2005-12-12 22:12:50.000000000 +0000
@@ -125,8 +125,8 @@
#include <linux/syscalls.h>
#include <linux/time.h>
#include <linux/rcupdate.h>
+#include <linux/semaphore.h>

-#include <asm/semaphore.h>
#include <asm/uaccess.h>

#define IS_POSIX(fl) (fl->fl_flags & FL_POSIX)
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/nfs/idmap.c linux-2.6.15-rc5-mutex/fs/nfs/idmap.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/nfs/idmap.c 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/nfs/idmap.c 2005-12-12 20:52:50.000000000 +0000
@@ -70,8 +70,8 @@ struct idmap {
struct dentry *idmap_dentry;
wait_queue_head_t idmap_wq;
struct idmap_msg idmap_im;
- struct semaphore idmap_lock; /* Serializes upcalls */
- struct semaphore idmap_im_lock; /* Protects the hashtable */
+ struct mutex idmap_lock; /* Serializes upcalls */
+ struct mutex idmap_im_lock; /* Protects the hashtable */
struct idmap_hashtable idmap_user_hash;
struct idmap_hashtable idmap_group_hash;
};
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/ntfs/inode.h linux-2.6.15-rc5-mutex/fs/ntfs/inode.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/ntfs/inode.h 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/ntfs/inode.h 2005-12-12 22:12:50.000000000 +0000
@@ -28,8 +28,8 @@
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/list.h>
+#include <linux/semaphore.h>
#include <asm/atomic.h>
-#include <asm/semaphore.h>

#include "layout.h"
#include "volume.h"
@@ -81,7 +81,7 @@ struct _ntfs_inode {
* The following fields are only valid for real inodes and extent
* inodes.
*/
- struct semaphore mrec_lock; /* Lock for serializing access to the
+ struct mutex mrec_lock; /* Lock for serializing access to the
mft record belonging to this inode. */
struct page *page; /* The page containing the mft record of the
inode. This should only be touched by the
@@ -119,7 +119,7 @@ struct _ntfs_inode {
u8 block_clusters; /* Number of clusters per cb. */
} compressed;
} itype;
- struct semaphore extent_lock; /* Lock for accessing/modifying the
+ struct mutex extent_lock; /* Lock for accessing/modifying the
below . */
s32 nr_extents; /* For a base mft record, the number of attached extent
inodes (0 if none), for extent records and for fake
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/ntfs/ntfs.h linux-2.6.15-rc5-mutex/fs/ntfs/ntfs.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/ntfs/ntfs.h 2005-08-30 13:56:28.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/ntfs/ntfs.h 2005-12-12 20:50:25.000000000 +0000
@@ -91,7 +91,7 @@ extern void free_compression_buffers(voi

/* From fs/ntfs/super.c */
#define default_upcase_len 0x10000
-extern struct semaphore ntfs_lock;
+extern struct mutex ntfs_lock;

typedef struct {
int val;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/partitions/devfs.c linux-2.6.15-rc5-mutex/fs/partitions/devfs.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/partitions/devfs.c 2005-01-04 11:13:41.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/partitions/devfs.c 2005-12-12 22:12:50.000000000 +0000
@@ -6,14 +6,14 @@
#include <linux/vmalloc.h>
#include <linux/genhd.h>
#include <linux/bitops.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>


struct unique_numspace {
u32 num_free; /* Num free in bits */
u32 length; /* Array length in bytes */
unsigned long *bits;
- struct semaphore mutex;
+ struct mutex mutex;
};

static DECLARE_MUTEX(numspace_mutex);
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/reiserfs/journal.c linux-2.6.15-rc5-mutex/fs/reiserfs/journal.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/reiserfs/journal.c 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/reiserfs/journal.c 2005-12-12 22:12:50.000000000 +0000
@@ -39,7 +39,7 @@
#include <asm/system.h>

#include <linux/time.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

#include <linux/vmalloc.h>
#include <linux/reiserfs_fs.h>
@@ -2473,7 +2473,7 @@ static struct reiserfs_journal_list *all
INIT_LIST_HEAD(&jl->j_working_list);
INIT_LIST_HEAD(&jl->j_tail_bh_list);
INIT_LIST_HEAD(&jl->j_bh_list);
- sema_init(&jl->j_commit_lock, 1);
+ init_MUTEX(&jl->j_commit_lock);
SB_JOURNAL(s)->j_num_lists++;
get_journal_list(jl);
return jl;
@@ -2744,8 +2744,8 @@ int journal_init(struct super_block *p_s
journal->j_last = NULL;
journal->j_first = NULL;
init_waitqueue_head(&(journal->j_join_wait));
- sema_init(&journal->j_lock, 1);
- sema_init(&journal->j_flush_sem, 1);
+ init_MUTEX(&journal->j_lock);
+ init_MUTEX(&journal->j_flush_sem);

journal->j_trans_id = 10;
journal->j_mount_id = 10;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/reiserfs/xattr.c linux-2.6.15-rc5-mutex/fs/reiserfs/xattr.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/reiserfs/xattr.c 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/reiserfs/xattr.c 2005-12-12 22:12:50.000000000 +0000
@@ -43,7 +43,7 @@
#include <asm/checksum.h>
#include <linux/smp_lock.h>
#include <linux/stat.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

#define FL_READONLY 128
#define FL_DIR_SEM_HELD 256
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/seq_file.c linux-2.6.15-rc5-mutex/fs/seq_file.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/seq_file.c 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/seq_file.c 2005-12-12 17:32:40.000000000 +0000
@@ -37,7 +37,7 @@ int seq_open(struct file *file, struct s
file->private_data = p;
}
memset(p, 0, sizeof(*p));
- sema_init(&p->sem, 1);
+ init_MUTEX(&p->sem);
p->op = op;

/*
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/super.c linux-2.6.15-rc5-mutex/fs/super.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/super.c 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/super.c 2005-12-12 17:25:56.000000000 +0000
@@ -72,13 +72,13 @@ static struct super_block *alloc_super(v
INIT_HLIST_HEAD(&s->s_anon);
INIT_LIST_HEAD(&s->s_inodes);
init_rwsem(&s->s_umount);
- sema_init(&s->s_lock, 1);
+ init_MUTEX(&s->s_lock);
down_write(&s->s_umount);
s->s_count = S_BIAS;
atomic_set(&s->s_active, 1);
- sema_init(&s->s_vfs_rename_sem,1);
- sema_init(&s->s_dquot.dqio_sem, 1);
- sema_init(&s->s_dquot.dqonoff_sem, 1);
+ init_MUTEX(&s->s_vfs_rename_sem);
+ init_MUTEX(&s->s_dquot.dqio_sem);
+ init_MUTEX(&s->s_dquot.dqonoff_sem);
init_rwsem(&s->s_dquot.dqptr_sem);
init_waitqueue_head(&s->s_wait_unfrozen);
s->s_maxbytes = MAX_NON_LFS;
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/sysfs/file.c linux-2.6.15-rc5-mutex/fs/sysfs/file.c
--- /warthog/kernels/linux-2.6.15-rc5/fs/sysfs/file.c 2005-08-30 13:56:29.000000000 +0100
+++ linux-2.6.15-rc5-mutex/fs/sysfs/file.c 2005-12-12 22:12:50.000000000 +0000
@@ -7,7 +7,7 @@
#include <linux/kobject.h>
#include <linux/namei.h>
#include <asm/uaccess.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

#include "sysfs.h"

@@ -55,7 +55,7 @@ struct sysfs_buffer {
loff_t pos;
char * page;
struct sysfs_ops * ops;
- struct semaphore sem;
+ struct mutex sem;
int needs_read_fill;
};

diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/mutex.h linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/mutex.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/mutex.h 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/mutex.h 2005-12-12 22:12:50.000000000 +0000
@@ -19,7 +19,7 @@
#define __XFS_SUPPORT_MUTEX_H__

#include <linux/spinlock.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

/*
* Map the mutex'es from IRIX to Linux semaphores.
@@ -28,10 +28,10 @@
* callers.
*/
#define MUTEX_DEFAULT 0x0
-typedef struct semaphore mutex_t;
+typedef struct mutex mutex_t;

-#define mutex_init(lock, type, name) sema_init(lock, 1)
-#define mutex_destroy(lock) sema_init(lock, -99)
+#define mutex_init(lock, type, name) init_MUTEX(lock)
+#define mutex_destroy(lock) do {} while(0)
#define mutex_lock(lock, num) down(lock)
#define mutex_trylock(lock) (down_trylock(lock) ? 0 : 1)
#define mutex_unlock(lock) up(lock)
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/sema.h linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/sema.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/sema.h 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/sema.h 2005-12-12 22:05:13.000000000 +0000
@@ -21,7 +21,7 @@
#include <linux/time.h>
#include <linux/wait.h>
#include <asm/atomic.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>

/*
* sema_t structure just maps to struct semaphore in Linux kernel.
diff -uNrp /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/xfs_buf.h linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/xfs_buf.h
--- /warthog/kernels/linux-2.6.15-rc5/fs/xfs/linux-2.6/xfs_buf.h 2005-12-08 16:23:50.000000000 +0000
+++ linux-2.6.15-rc5-mutex/fs/xfs/linux-2.6/xfs_buf.h 2005-12-12 20:47:50.000000000 +0000
@@ -114,7 +114,7 @@ typedef int (*page_buf_bdstrat_t)(struct
#define PB_PAGES 2

typedef struct xfs_buf {
- struct semaphore pb_sema; /* semaphore for lockables */
+ struct mutex pb_sema; /* semaphore for lockables */
unsigned long pb_queuetime; /* time buffer was queued */
atomic_t pb_pin_count; /* pin count */
wait_queue_head_t pb_waiters; /* unpin waiters */
@@ -134,7 +134,7 @@ typedef struct xfs_buf {
page_buf_iodone_t pb_iodone; /* I/O completion function */
page_buf_relse_t pb_relse; /* releasing function */
page_buf_bdstrat_t pb_strat; /* pre-write function */
- struct semaphore pb_iodonesema; /* Semaphore for I/O waiters */
+ struct mutex pb_iodonesema; /* Semaphore for I/O waiters */
void *pb_fspriv;
void *pb_fspriv2;
void *pb_fspriv3;
-
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