switch a bunch of places to mnt_want_write_file()
it's both faster (in case when file has been opened for write) and cleaner. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@@ -35,7 +35,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
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case EXT2_IOC_SETFLAGS: {
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unsigned int oldflags;
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ret = mnt_want_write(filp->f_path.mnt);
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ret = mnt_want_write_file(filp);
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if (ret)
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return ret;
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@@ -91,7 +91,7 @@ setflags_out:
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case EXT2_IOC_SETVERSION:
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if (!inode_owner_or_capable(inode))
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return -EPERM;
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ret = mnt_want_write(filp->f_path.mnt);
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ret = mnt_want_write_file(filp);
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if (ret)
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return ret;
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if (get_user(inode->i_generation, (int __user *) arg)) {
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@@ -121,7 +121,7 @@ setflags_out:
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if (get_user(rsv_window_size, (int __user *)arg))
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return -EFAULT;
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ret = mnt_want_write(filp->f_path.mnt);
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ret = mnt_want_write_file(filp);
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if (ret)
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return ret;
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