X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fusb%2Fcore%2Finode.c;h=88002e45a6b4a3b8a6b175ef2808208ad6a2c7ea;hb=9a53c3a783c2fa9b969628e65695c11c3e51e673;hp=95f5ad923b0f19188751c988ffc789b0af56d5e0;hpb=454e2398be9b9fa30433fccc548db34d19aa9958;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 95f5ad9..88002e4 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -27,7 +27,6 @@ /*****************************************************************************/ -#include #include #include #include @@ -45,7 +44,7 @@ #include "hcd.h" static struct super_operations usbfs_ops; -static struct file_operations default_file_operations; +static const struct file_operations default_file_operations; static struct vfsmount *usbfs_mount; static int usbfs_mount_count; /* = 0 */ static int ignore_mount = 0; @@ -201,7 +200,7 @@ static void update_sb(struct super_block *sb) if (!root) return; - mutex_lock(&root->d_inode->i_mutex); + mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT); list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) { if (bus->d_inode) { @@ -250,7 +249,6 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de inode->i_mode = mode; inode->i_uid = current->fsuid; inode->i_gid = current->fsgid; - inode->i_blksize = PAGE_CACHE_SIZE; inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { @@ -334,7 +332,7 @@ static int usbfs_unlink (struct inode *dir, struct dentry *dentry) { struct inode *inode = dentry->d_inode; mutex_lock(&inode->i_mutex); - dentry->d_inode->i_nlink--; + drop_nlink(dentry->d_inode); dput(dentry); mutex_unlock(&inode->i_mutex); d_delete(dentry); @@ -349,10 +347,11 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry) mutex_lock(&inode->i_mutex); dentry_unhash(dentry); if (usbfs_empty(dentry)) { - dentry->d_inode->i_nlink -= 2; + drop_nlink(dentry->d_inode); + drop_nlink(dentry->d_inode); dput(dentry); inode->i_flags |= S_DEAD; - dir->i_nlink--; + drop_nlink(dir); error = 0; } mutex_unlock(&inode->i_mutex); @@ -403,13 +402,13 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) static int default_open (struct inode *inode, struct file *file) { - if (inode->u.generic_ip) - file->private_data = inode->u.generic_ip; + if (inode->i_private) + file->private_data = inode->i_private; return 0; } -static struct file_operations default_file_operations = { +static const struct file_operations default_file_operations = { .read = default_read_file, .write = default_write_file, .open = default_open, @@ -496,7 +495,7 @@ static int fs_create_by_name (const char *name, mode_t mode, static struct dentry *fs_create_file (const char *name, mode_t mode, struct dentry *parent, void *data, - struct file_operations *fops, + const struct file_operations *fops, uid_t uid, gid_t gid) { struct dentry *dentry; @@ -510,7 +509,7 @@ static struct dentry *fs_create_file (const char *name, mode_t mode, } else { if (dentry->d_inode) { if (data) - dentry->d_inode->u.generic_ip = data; + dentry->d_inode->i_private = data; if (fops) dentry->d_inode->i_fop = fops; dentry->d_inode->i_uid = uid; @@ -528,7 +527,7 @@ static void fs_remove_file (struct dentry *dentry) if (!parent || !parent->d_inode) return; - mutex_lock(&parent->d_inode->i_mutex); + mutex_lock_nested(&parent->d_inode->i_mutex, I_MUTEX_PARENT); if (usbfs_positive(dentry)) { if (dentry->d_inode) { if (S_ISDIR(dentry->d_inode->i_mode)) @@ -569,7 +568,7 @@ static int create_special_files (void) ignore_mount = 1; /* create the devices special file */ - retval = simple_pin_fs("usbfs", &usbfs_mount, &usbfs_mount_count); + retval = simple_pin_fs(&usb_fs_type, &usbfs_mount, &usbfs_mount_count); if (retval) { err ("Unable to get usbfs mount"); goto exit; @@ -696,11 +695,11 @@ static void usbfs_remove_device(struct usb_device *dev) wake_up_all(&ds->wait); list_del_init(&ds->list); if (ds->discsignr) { - sinfo.si_signo = SIGPIPE; + sinfo.si_signo = ds->discsignr; sinfo.si_errno = EPIPE; sinfo.si_code = SI_ASYNCIO; sinfo.si_addr = ds->disccontext; - kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid); + kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid, ds->secid); } } }