[PATCH] move capable() to capability.h

[net-next-2.6.git] / fs / open.c

diff --git a/fs/open.c b/fs/open.c
index f53a5b9ffb7dce308f6e0e05d4982d343261564c..a3b3a9b5c2ff615434a9ff7b88448341dc61cded 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -194,7 +194,8 @@ out:
        return error;
 }
 
-int do_truncate(struct dentry *dentry, loff_t length, struct file *filp)
+int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
+       struct file *filp)
 {
        int err;
        struct iattr newattrs;
@@ -204,19 +205,19 @@ int do_truncate(struct dentry *dentry, loff_t length, struct file *filp)
                return -EINVAL;
 
        newattrs.ia_size = length;
-       newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
+       newattrs.ia_valid = ATTR_SIZE | time_attrs;
        if (filp) {
                newattrs.ia_file = filp;
                newattrs.ia_valid |= ATTR_FILE;
        }
 
-       down(&dentry->d_inode->i_sem);
+       mutex_lock(&dentry->d_inode->i_mutex);
        err = notify_change(dentry, &newattrs);
-       up(&dentry->d_inode->i_sem);
+       mutex_unlock(&dentry->d_inode->i_mutex);
        return err;
 }
 
-static inline long do_sys_truncate(const char __user * path, loff_t length)
+static long do_sys_truncate(const char __user * path, loff_t length)
 {
        struct nameidata nd;
        struct inode * inode;
@@ -266,7 +267,7 @@ static inline long do_sys_truncate(const char __user * path, loff_t length)
        error = locks_verify_truncate(inode, NULL, length);
        if (!error) {
                DQUOT_INIT(inode);
-               error = do_truncate(nd.dentry, length, NULL);
+               error = do_truncate(nd.dentry, length, 0, NULL);
        }
        put_write_access(inode);
 
@@ -282,7 +283,7 @@ asmlinkage long sys_truncate(const char __user * path, unsigned long length)
        return do_sys_truncate(path, (long)length);
 }
 
-static inline long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
+static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 {
        struct inode * inode;
        struct dentry *dentry;
@@ -318,7 +319,7 @@ static inline long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 
        error = locks_verify_truncate(inode, file, length);
        if (!error)
-               error = do_truncate(dentry, length, file);
+               error = do_truncate(dentry, length, 0, file);
 out_putf:
        fput(file);
 out:
@@ -397,9 +398,9 @@ asmlinkage long sys_utime(char __user * filename, struct utimbuf __user * times)
                    (error = vfs_permission(&nd, MAY_WRITE)) != 0)
                        goto dput_and_out;
        }
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        error = notify_change(nd.dentry, &newattrs);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 dput_and_out:
        path_release(&nd);
 out:
@@ -450,9 +451,9 @@ long do_utimes(char __user * filename, struct timeval * times)
                    (error = vfs_permission(&nd, MAY_WRITE)) != 0)
                        goto dput_and_out;
        }
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        error = notify_change(nd.dentry, &newattrs);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 dput_and_out:
        path_release(&nd);
 out:
@@ -619,13 +620,13 @@ asmlinkage long sys_fchmod(unsigned int fd, mode_t mode)
        err = -EPERM;
        if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
                goto out_putf;
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        if (mode == (mode_t) -1)
                mode = inode->i_mode;
        newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
        newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
        err = notify_change(dentry, &newattrs);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 
 out_putf:
        fput(file);
@@ -653,13 +654,13 @@ asmlinkage long sys_chmod(const char __user * filename, mode_t mode)
        if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
                goto dput_and_out;
 
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        if (mode == (mode_t) -1)
                mode = inode->i_mode;
        newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
        newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
        error = notify_change(nd.dentry, &newattrs);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 
 dput_and_out:
        path_release(&nd);
@@ -695,9 +696,9 @@ static int chown_common(struct dentry * dentry, uid_t user, gid_t group)
        }
        if (!S_ISDIR(inode->i_mode))
                newattrs.ia_valid |= ATTR_KILL_SUID|ATTR_KILL_SGID;
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        error = notify_change(dentry, &newattrs);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 out:
        return error;
 }
@@ -970,7 +971,7 @@ out:
 
 EXPORT_SYMBOL(get_unused_fd);
 
-static inline void __put_unused_fd(struct files_struct *files, unsigned int fd)
+static void __put_unused_fd(struct files_struct *files, unsigned int fd)
 {
        struct fdtable *fdt = files_fdtable(files);
        __FD_CLR(fd, fdt->open_fds);